./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:44:08,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:44:08,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:44:08,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:44:08,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:44:08,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:44:08,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:44:08,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:44:08,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:44:08,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:44:08,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:44:08,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:44:08,734 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:44:08,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:44:08,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:44:08,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:44:08,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:44:08,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:44:08,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:44:08,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:44:08,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:44:08,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:44:08,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:44:08,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:44:08,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:44:08,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:44:08,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:08,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:44:08,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:44:08,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:44:08,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:44:08,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:44:08,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:44:08,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 [2023-12-03 00:44:09,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:44:09,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:44:09,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:44:09,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:44:09,043 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:44:09,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2023-12-03 00:44:11,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:44:11,944 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:44:11,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i [2023-12-03 00:44:11,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/2cd5e8fb4/87811b925e6043deb515e00ff41cebdd/FLAG96abb519b [2023-12-03 00:44:11,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/2cd5e8fb4/87811b925e6043deb515e00ff41cebdd [2023-12-03 00:44:11,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:44:11,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:44:11,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:11,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:44:11,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:44:11,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:11" (1/1) ... [2023-12-03 00:44:11,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7248209f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:11, skipping insertion in model container [2023-12-03 00:44:11,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:11" (1/1) ... [2023-12-03 00:44:12,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:44:12,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2023-12-03 00:44:12,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:12,182 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:44:12,205 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2023-12-03 00:44:12,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:12,220 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:44:12,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12 WrapperNode [2023-12-03 00:44:12,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:12,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:12,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:44:12,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:44:12,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,257 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-12-03 00:44:12,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:12,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:44:12,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:44:12,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:44:12,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:44:12,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:44:12,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:44:12,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:44:12,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:12,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:44:12,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:44:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:44:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:44:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:44:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:44:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:44:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:44:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:44:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:44:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2023-12-03 00:44:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2023-12-03 00:44:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:44:12,431 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:44:12,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:44:12,567 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:44:12,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:44:12,640 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 00:44:12,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:12 BoogieIcfgContainer [2023-12-03 00:44:12,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:44:12,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:44:12,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:44:12,650 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:44:12,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:12" (1/1) ... [2023-12-03 00:44:12,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:44:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 00:44:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 00:44:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:44:12,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:12,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:44:12,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:44:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-12-03 00:44:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-12-03 00:44:12,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:44:12,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:12,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:44:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-12-03 00:44:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-12-03 00:44:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:44:13,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:44:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-03 00:44:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-03 00:44:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:44:13,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 00:44:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 00:44:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:44:13,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 00:44:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 00:44:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:44:13,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-12-03 00:44:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-12-03 00:44:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:44:13,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:13,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:44:13,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-12-03 00:44:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-12-03 00:44:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:44:13,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-12-03 00:44:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-03 00:44:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:44:14,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-12-03 00:44:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-12-03 00:44:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:44:14,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:14,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2023-12-03 00:44:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2023-12-03 00:44:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:44:14,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-12-03 00:44:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-12-03 00:44:14,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:44:14,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-12-03 00:44:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-12-03 00:44:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 00:44:14,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:15,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:44:15,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-12-03 00:44:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-12-03 00:44:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:44:15,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:15,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:44:15,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-12-03 00:44:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-12-03 00:44:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:44:15,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:15,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:15,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:44:15,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2023-12-03 00:44:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2023-12-03 00:44:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:44:15,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:15,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:15,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:44:15,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2023-12-03 00:44:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-12-03 00:44:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:44:16,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:16,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:44:16,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-12-03 00:44:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-12-03 00:44:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:44:16,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:16,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:44:16,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2023-12-03 00:44:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-12-03 00:44:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:44:16,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:16,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:16,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:44:16,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2023-12-03 00:44:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-12-03 00:44:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:44:16,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:16,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:44:16,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2023-12-03 00:44:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-12-03 00:44:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:44:17,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:17,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:44:17,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-12-03 00:44:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-12-03 00:44:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:44:17,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:17,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:17,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:44:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2023-12-03 00:44:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 00:44:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:44:17,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:17,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:44:17,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2023-12-03 00:44:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-12-03 00:44:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:44:18,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:18,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:18,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:44:18,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2023-12-03 00:44:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-12-03 00:44:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:44:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:18,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:44:18,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2023-12-03 00:44:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-12-03 00:44:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:44:18,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:18,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:18,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:44:18,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2023-12-03 00:44:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-12-03 00:44:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:44:19,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:19,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 00:44:19,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2023-12-03 00:44:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-12-03 00:44:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:44:19,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:19,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:19,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 00:44:19,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-12-03 00:44:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-12-03 00:44:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:19,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:19,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:19,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 00:44:19,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-12-03 00:44:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-12-03 00:44:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 00:44:20,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:20,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:44:20,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2023-12-03 00:44:20,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2023-12-03 00:44:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:44:20,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:20,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 00:44:20,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:20,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2023-12-03 00:44:20,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2023-12-03 00:44:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:44:20,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:20,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:20,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 00:44:20,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2023-12-03 00:44:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-12-03 00:44:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:44:21,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:21,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 00:44:21,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2023-12-03 00:44:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-12-03 00:44:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:44:21,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:21,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 00:44:21,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:21,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2023-12-03 00:44:21,847 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-12-03 00:44:21,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:44:21,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:21,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:21,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:44:21,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2023-12-03 00:44:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2023-12-03 00:44:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:44:22,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:22,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:22,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:44:22,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2023-12-03 00:44:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-12-03 00:44:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:44:22,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:22,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 00:44:22,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2023-12-03 00:44:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-12-03 00:44:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:44:22,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:23,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 00:44:23,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2023-12-03 00:44:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2023-12-03 00:44:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:44:23,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:23,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:23,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 00:44:23,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2023-12-03 00:44:23,747 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2023-12-03 00:44:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:44:23,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:23,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 00:44:23,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:24,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2023-12-03 00:44:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2023-12-03 00:44:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:44:24,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:24,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:44:24,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2023-12-03 00:44:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2023-12-03 00:44:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:44:24,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:24,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:24,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 00:44:24,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:25,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2023-12-03 00:44:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2023-12-03 00:44:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:44:25,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:25,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:25,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 00:44:25,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2023-12-03 00:44:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2023-12-03 00:44:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 00:44:25,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:25,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:25,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 00:44:25,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2023-12-03 00:44:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2023-12-03 00:44:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:44:26,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:26,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:26,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:44:26,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2023-12-03 00:44:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2023-12-03 00:44:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:44:26,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:26,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:26,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 00:44:26,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2023-12-03 00:44:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2023-12-03 00:44:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:44:26,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:26,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:27,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-03 00:44:27,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:27,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2023-12-03 00:44:27,433 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-12-03 00:44:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 00:44:27,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:27,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:27,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:44:27,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2023-12-03 00:44:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2023-12-03 00:44:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:44:27,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:27,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:28,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 00:44:28,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2023-12-03 00:44:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2023-12-03 00:44:28,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:44:28,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:28,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 00:44:28,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2023-12-03 00:44:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2023-12-03 00:44:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:44:28,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:28,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 00:44:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-12-03 00:44:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-12-03 00:44:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:44:29,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:29,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:29,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:44:29,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2023-12-03 00:44:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2023-12-03 00:44:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:44:29,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:29,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:29,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:44:29,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2023-12-03 00:44:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-12-03 00:44:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:44:30,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:30,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-03 00:44:30,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2023-12-03 00:44:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-12-03 00:44:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:44:30,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:30,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:30,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-03 00:44:30,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2023-12-03 00:44:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2023-12-03 00:44:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:44:31,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:31,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:31,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 00:44:31,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2023-12-03 00:44:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2023-12-03 00:44:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 00:44:31,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:31,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:31,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:44:31,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2023-12-03 00:44:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2023-12-03 00:44:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 00:44:32,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:32,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 00:44:32,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2023-12-03 00:44:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2023-12-03 00:44:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 00:44:32,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:32,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:32,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-03 00:44:32,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2023-12-03 00:44:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2023-12-03 00:44:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 00:44:33,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:33,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 00:44:33,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2023-12-03 00:44:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2023-12-03 00:44:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:44:33,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:34,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-03 00:44:34,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2023-12-03 00:44:34,509 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2023-12-03 00:44:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:44:34,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:34,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-03 00:44:34,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1792 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 00:44:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 79 states and 85 transitions. [2023-12-03 00:44:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2023-12-03 00:44:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:44:35,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:35,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:35,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked. [2023-12-03 00:44:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2023-12-03 00:44:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2023-12-03 00:44:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 00:44:35,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:35,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:44:35,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 1850 trivial. 0 not checked. [2023-12-03 00:44:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2023-12-03 00:44:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2023-12-03 00:44:36,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 00:44:36,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:36,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:44:36,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2023-12-03 00:44:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2023-12-03 00:44:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2023-12-03 00:44:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 00:44:36,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:36,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:36,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:44:36,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2023-12-03 00:44:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2023-12-03 00:44:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-12-03 00:44:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 00:44:37,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:37,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:37,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:44:37,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2023-12-03 00:44:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2023-12-03 00:44:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2023-12-03 00:44:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 00:44:37,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:37,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:38,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:44:38,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2023-12-03 00:44:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 85 states and 91 transitions. [2023-12-03 00:44:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2023-12-03 00:44:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 00:44:38,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:38,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:38,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:44:38,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 1955 trivial. 0 not checked. [2023-12-03 00:44:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2023-12-03 00:44:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2023-12-03 00:44:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 00:44:39,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:39,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:39,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:44:39,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked. [2023-12-03 00:44:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2023-12-03 00:44:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2023-12-03 00:44:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 00:44:39,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:39,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:40,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:44:40,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2023-12-03 00:44:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2023-12-03 00:44:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2023-12-03 00:44:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 00:44:40,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:40,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:40,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:44:40,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 2066 trivial. 0 not checked. [2023-12-03 00:44:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2023-12-03 00:44:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2023-12-03 00:44:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 00:44:41,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:41,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:41,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:44:41,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 2111 trivial. 0 not checked. [2023-12-03 00:44:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2023-12-03 00:44:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2023-12-03 00:44:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 00:44:41,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:41,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:44:41,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2023-12-03 00:44:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2023-12-03 00:44:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2023-12-03 00:44:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 00:44:42,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:42,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:44:42,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2023-12-03 00:44:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2023-12-03 00:44:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2023-12-03 00:44:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:44:42,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:43,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:44:43,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 2270 trivial. 0 not checked. [2023-12-03 00:44:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:43,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2023-12-03 00:44:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2023-12-03 00:44:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-03 00:44:43,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:43,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:44:43,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2965 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2023-12-03 00:44:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2023-12-03 00:44:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2023-12-03 00:44:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 00:44:44,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:44,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:44,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:44:44,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2023-12-03 00:44:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2023-12-03 00:44:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2023-12-03 00:44:44,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-03 00:44:44,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:45,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:44:45,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3268 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2023-12-03 00:44:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 96 states and 102 transitions. [2023-12-03 00:44:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2023-12-03 00:44:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-03 00:44:45,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:45,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:44:45,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 2538 trivial. 0 not checked. [2023-12-03 00:44:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2023-12-03 00:44:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2023-12-03 00:44:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-03 00:44:46,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:46,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:44:46,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3607 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2023-12-03 00:44:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 98 states and 104 transitions. [2023-12-03 00:44:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2023-12-03 00:44:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-03 00:44:47,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:47,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:44:47,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 884 proven. 210 refuted. 0 times theorem prover too weak. 2696 trivial. 0 not checked. [2023-12-03 00:44:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 99 states and 105 transitions. [2023-12-03 00:44:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2023-12-03 00:44:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-03 00:44:47,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:47,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:48,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:44:48,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3982 backedges. 970 proven. 231 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2023-12-03 00:44:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 100 states and 106 transitions. [2023-12-03 00:44:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2023-12-03 00:44:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-03 00:44:48,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:48,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:44:48,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 1060 proven. 253 refuted. 0 times theorem prover too weak. 2870 trivial. 0 not checked. [2023-12-03 00:44:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 101 states and 107 transitions. [2023-12-03 00:44:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2023-12-03 00:44:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-03 00:44:49,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:49,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:44:49,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4393 backedges. 1154 proven. 276 refuted. 0 times theorem prover too weak. 2963 trivial. 0 not checked. [2023-12-03 00:44:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-12-03 00:44:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-12-03 00:44:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-03 00:44:50,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:50,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 00:44:50,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4612 backedges. 1252 proven. 300 refuted. 0 times theorem prover too weak. 3060 trivial. 0 not checked. [2023-12-03 00:44:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 103 states and 109 transitions. [2023-12-03 00:44:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2023-12-03 00:44:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-03 00:44:50,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:51,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 00:44:51,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4840 backedges. 1354 proven. 325 refuted. 0 times theorem prover too weak. 3161 trivial. 0 not checked. [2023-12-03 00:44:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 104 states and 110 transitions. [2023-12-03 00:44:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2023-12-03 00:44:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-03 00:44:51,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:51,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:51,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 00:44:51,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 1460 proven. 351 refuted. 0 times theorem prover too weak. 3266 trivial. 0 not checked. [2023-12-03 00:44:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 105 states and 111 transitions. [2023-12-03 00:44:52,270 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2023-12-03 00:44:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-03 00:44:52,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:52,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:44:52,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 1570 proven. 378 refuted. 0 times theorem prover too weak. 3375 trivial. 0 not checked. [2023-12-03 00:44:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 106 states and 112 transitions. [2023-12-03 00:44:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2023-12-03 00:44:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-03 00:44:53,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:53,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 00:44:53,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5578 backedges. 1684 proven. 406 refuted. 0 times theorem prover too weak. 3488 trivial. 0 not checked. [2023-12-03 00:44:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 107 states and 113 transitions. [2023-12-03 00:44:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2023-12-03 00:44:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-03 00:44:53,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:53,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:54,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 00:44:54,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:54,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5842 backedges. 1802 proven. 435 refuted. 0 times theorem prover too weak. 3605 trivial. 0 not checked. [2023-12-03 00:44:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 108 states and 114 transitions. [2023-12-03 00:44:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2023-12-03 00:44:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-03 00:44:54,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:54,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 00:44:54,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6115 backedges. 1924 proven. 465 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2023-12-03 00:44:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2023-12-03 00:44:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2023-12-03 00:44:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-03 00:44:55,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:55,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 00:44:55,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6397 backedges. 2050 proven. 496 refuted. 0 times theorem prover too weak. 3851 trivial. 0 not checked. [2023-12-03 00:44:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2023-12-03 00:44:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2023-12-03 00:44:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-03 00:44:56,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:56,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:56,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:44:56,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 2180 proven. 528 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2023-12-03 00:44:57,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 111 states and 117 transitions. [2023-12-03 00:44:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2023-12-03 00:44:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-03 00:44:57,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:57,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:57,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:44:57,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6988 backedges. 2314 proven. 561 refuted. 0 times theorem prover too weak. 4113 trivial. 0 not checked. [2023-12-03 00:44:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 112 states and 118 transitions. [2023-12-03 00:44:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2023-12-03 00:44:57,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-03 00:44:57,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:57,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 1086 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 2452 proven. 595 refuted. 0 times theorem prover too weak. 4250 trivial. 0 not checked. [2023-12-03 00:44:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 113 states and 119 transitions. [2023-12-03 00:44:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2023-12-03 00:44:58,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-03 00:44:58,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7615 backedges. 2594 proven. 630 refuted. 0 times theorem prover too weak. 4391 trivial. 0 not checked. [2023-12-03 00:44:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:59,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 114 states and 120 transitions. [2023-12-03 00:44:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2023-12-03 00:44:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-03 00:44:59,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:59,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:59,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 00:44:59,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7942 backedges. 2740 proven. 666 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2023-12-03 00:45:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2023-12-03 00:45:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2023-12-03 00:45:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-03 00:45:00,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:00,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:00,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 00:45:00,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 2890 proven. 703 refuted. 0 times theorem prover too weak. 4685 trivial. 0 not checked. [2023-12-03 00:45:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 116 states and 122 transitions. [2023-12-03 00:45:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2023-12-03 00:45:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-03 00:45:01,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:01,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:45:01,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 8623 backedges. 3044 proven. 741 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2023-12-03 00:45:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 117 states and 123 transitions. [2023-12-03 00:45:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2023-12-03 00:45:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-03 00:45:02,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:02,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 00:45:02,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8977 backedges. 3202 proven. 780 refuted. 0 times theorem prover too weak. 4995 trivial. 0 not checked. [2023-12-03 00:45:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:02,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-12-03 00:45:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-12-03 00:45:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-03 00:45:02,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:02,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:03,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 00:45:03,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9340 backedges. 3364 proven. 820 refuted. 0 times theorem prover too weak. 5156 trivial. 0 not checked. [2023-12-03 00:45:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 119 states and 125 transitions. [2023-12-03 00:45:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2023-12-03 00:45:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-03 00:45:03,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:03,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:04,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 00:45:04,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 9712 backedges. 3530 proven. 861 refuted. 0 times theorem prover too weak. 5321 trivial. 0 not checked. [2023-12-03 00:45:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 120 states and 126 transitions. [2023-12-03 00:45:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2023-12-03 00:45:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-03 00:45:04,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:04,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 1182 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:45:04,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10093 backedges. 3700 proven. 903 refuted. 0 times theorem prover too weak. 5490 trivial. 0 not checked. [2023-12-03 00:45:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 121 states and 127 transitions. [2023-12-03 00:45:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2023-12-03 00:45:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-03 00:45:05,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:05,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 00:45:05,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10483 backedges. 3874 proven. 946 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2023-12-03 00:45:06,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 122 states and 128 transitions. [2023-12-03 00:45:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2023-12-03 00:45:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-03 00:45:06,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:06,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-03 00:45:06,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10882 backedges. 4052 proven. 990 refuted. 0 times theorem prover too weak. 5840 trivial. 0 not checked. [2023-12-03 00:45:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 123 states and 129 transitions. [2023-12-03 00:45:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 129 transitions. [2023-12-03 00:45:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-03 00:45:07,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:07,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:45:07,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 11290 backedges. 4234 proven. 1035 refuted. 0 times theorem prover too weak. 6021 trivial. 0 not checked. [2023-12-03 00:45:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 124 states and 130 transitions. [2023-12-03 00:45:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2023-12-03 00:45:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-12-03 00:45:08,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:08,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:08,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 00:45:08,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11707 backedges. 4420 proven. 1081 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2023-12-03 00:45:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 125 states and 131 transitions. [2023-12-03 00:45:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 131 transitions. [2023-12-03 00:45:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-03 00:45:09,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:09,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 00:45:09,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12133 backedges. 4610 proven. 1128 refuted. 0 times theorem prover too weak. 6395 trivial. 0 not checked. [2023-12-03 00:45:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 126 states and 132 transitions. [2023-12-03 00:45:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2023-12-03 00:45:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-12-03 00:45:10,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:10,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:10,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 00:45:10,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 12568 backedges. 4804 proven. 1176 refuted. 0 times theorem prover too weak. 6588 trivial. 0 not checked. [2023-12-03 00:45:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 127 states and 133 transitions. [2023-12-03 00:45:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 133 transitions. [2023-12-03 00:45:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-03 00:45:11,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:11,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:11,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:45:11,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13012 backedges. 5002 proven. 1225 refuted. 0 times theorem prover too weak. 6785 trivial. 0 not checked. [2023-12-03 00:45:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 128 states and 134 transitions. [2023-12-03 00:45:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2023-12-03 00:45:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-03 00:45:12,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:12,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:12,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:45:12,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 13465 backedges. 5204 proven. 1275 refuted. 0 times theorem prover too weak. 6986 trivial. 0 not checked. [2023-12-03 00:45:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 129 states and 135 transitions. [2023-12-03 00:45:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 135 transitions. [2023-12-03 00:45:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-12-03 00:45:13,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:13,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-03 00:45:13,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13927 backedges. 5410 proven. 1326 refuted. 0 times theorem prover too weak. 7191 trivial. 0 not checked. [2023-12-03 00:45:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 130 states and 136 transitions. [2023-12-03 00:45:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 136 transitions. [2023-12-03 00:45:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-03 00:45:14,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:14,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:14,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-03 00:45:14,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14398 backedges. 5620 proven. 1378 refuted. 0 times theorem prover too weak. 7400 trivial. 0 not checked. [2023-12-03 00:45:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 131 states and 137 transitions. [2023-12-03 00:45:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2023-12-03 00:45:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-12-03 00:45:15,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:15,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 00:45:15,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 5834 proven. 1431 refuted. 0 times theorem prover too weak. 7613 trivial. 0 not checked. [2023-12-03 00:45:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2023-12-03 00:45:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2023-12-03 00:45:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-12-03 00:45:16,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:16,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:45:16,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15367 backedges. 6052 proven. 1485 refuted. 0 times theorem prover too weak. 7830 trivial. 0 not checked. [2023-12-03 00:45:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2023-12-03 00:45:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2023-12-03 00:45:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-03 00:45:17,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:17,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 00:45:17,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15865 backedges. 6274 proven. 1540 refuted. 0 times theorem prover too weak. 8051 trivial. 0 not checked. [2023-12-03 00:45:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2023-12-03 00:45:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2023-12-03 00:45:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-03 00:45:18,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:18,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:18,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-03 00:45:18,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16372 backedges. 6500 proven. 1596 refuted. 0 times theorem prover too weak. 8276 trivial. 0 not checked. [2023-12-03 00:45:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-12-03 00:45:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-12-03 00:45:19,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-12-03 00:45:19,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:19,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 00:45:19,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16888 backedges. 6730 proven. 1653 refuted. 0 times theorem prover too weak. 8505 trivial. 0 not checked. [2023-12-03 00:45:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2023-12-03 00:45:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-12-03 00:45:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-12-03 00:45:20,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:20,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-03 00:45:20,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17413 backedges. 6964 proven. 1711 refuted. 0 times theorem prover too weak. 8738 trivial. 0 not checked. [2023-12-03 00:45:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2023-12-03 00:45:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2023-12-03 00:45:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-03 00:45:21,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:21,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:21,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-03 00:45:21,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 17947 backedges. 7202 proven. 1770 refuted. 0 times theorem prover too weak. 8975 trivial. 0 not checked. [2023-12-03 00:45:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 138 states and 143 transitions. [2023-12-03 00:45:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2023-12-03 00:45:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-12-03 00:45:22,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:23,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:23,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 18490 backedges. 7446 proven. 1 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2023-12-03 00:45:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2023-12-03 00:45:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-12-03 00:45:23,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:23,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:24,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:45:24,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18492 backedges. 7446 proven. 3 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2023-12-03 00:45:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2023-12-03 00:45:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-12-03 00:45:24,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:24,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:25,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:45:25,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18495 backedges. 7446 proven. 6 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2023-12-03 00:45:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2023-12-03 00:45:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-12-03 00:45:25,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:26,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:45:26,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 18499 backedges. 7446 proven. 10 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 147 transitions. [2023-12-03 00:45:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2023-12-03 00:45:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-12-03 00:45:26,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:27,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:45:27,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18504 backedges. 7446 proven. 15 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 143 states and 148 transitions. [2023-12-03 00:45:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2023-12-03 00:45:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-03 00:45:27,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:27,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:28,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:45:28,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18510 backedges. 7446 proven. 21 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 144 states and 149 transitions. [2023-12-03 00:45:29,049 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2023-12-03 00:45:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-12-03 00:45:29,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:29,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:29,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:45:29,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18517 backedges. 7446 proven. 28 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 145 states and 150 transitions. [2023-12-03 00:45:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2023-12-03 00:45:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-12-03 00:45:30,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:30,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:30,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:45:30,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 18525 backedges. 7446 proven. 36 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 146 states and 151 transitions. [2023-12-03 00:45:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2023-12-03 00:45:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-03 00:45:31,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:31,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:31,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:45:31,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18534 backedges. 7446 proven. 45 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 147 states and 152 transitions. [2023-12-03 00:45:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions. [2023-12-03 00:45:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-03 00:45:32,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:32,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:45:32,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 18544 backedges. 7446 proven. 55 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 148 states and 153 transitions. [2023-12-03 00:45:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2023-12-03 00:45:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-03 00:45:33,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:33,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:33,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:45:33,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18555 backedges. 7446 proven. 66 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 149 states and 154 transitions. [2023-12-03 00:45:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2023-12-03 00:45:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-12-03 00:45:34,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:35,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:45:35,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18567 backedges. 7446 proven. 78 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 150 states and 155 transitions. [2023-12-03 00:45:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2023-12-03 00:45:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2023-12-03 00:45:35,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:36,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:45:36,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 18580 backedges. 7446 proven. 91 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 151 states and 156 transitions. [2023-12-03 00:45:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2023-12-03 00:45:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-12-03 00:45:37,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:37,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:37,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 1489 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:45:37,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 18594 backedges. 7446 proven. 105 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 152 states and 157 transitions. [2023-12-03 00:45:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 157 transitions. [2023-12-03 00:45:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-03 00:45:38,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:38,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:45:38,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18609 backedges. 7446 proven. 120 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 153 states and 158 transitions. [2023-12-03 00:45:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 158 transitions. [2023-12-03 00:45:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-03 00:45:39,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:39,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:39,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:45:39,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18625 backedges. 7446 proven. 136 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:40,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 154 states and 159 transitions. [2023-12-03 00:45:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2023-12-03 00:45:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2023-12-03 00:45:40,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:40,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:41,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 1510 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:45:41,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18642 backedges. 7446 proven. 153 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 155 states and 160 transitions. [2023-12-03 00:45:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 160 transitions. [2023-12-03 00:45:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-12-03 00:45:41,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:42,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:45:42,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 18660 backedges. 7446 proven. 171 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:43,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:43,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 156 states and 161 transitions. [2023-12-03 00:45:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2023-12-03 00:45:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-03 00:45:43,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:43,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:43,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:45:43,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18679 backedges. 7446 proven. 190 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 157 states and 162 transitions. [2023-12-03 00:45:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2023-12-03 00:45:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-12-03 00:45:44,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:44,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:45:44,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 7446 proven. 210 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 158 states and 163 transitions. [2023-12-03 00:45:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2023-12-03 00:45:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-03 00:45:45,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:45,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:45:45,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18720 backedges. 7446 proven. 231 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 159 states and 164 transitions. [2023-12-03 00:45:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 164 transitions. [2023-12-03 00:45:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-03 00:45:46,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:46,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:47,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:45:47,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18742 backedges. 7446 proven. 253 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 160 states and 165 transitions. [2023-12-03 00:45:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2023-12-03 00:45:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-03 00:45:47,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:47,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:48,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:45:48,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18765 backedges. 7446 proven. 276 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 161 states and 166 transitions. [2023-12-03 00:45:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2023-12-03 00:45:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-12-03 00:45:49,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:49,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 1559 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 00:45:49,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18789 backedges. 7446 proven. 300 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 162 states and 167 transitions. [2023-12-03 00:45:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 167 transitions. [2023-12-03 00:45:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-12-03 00:45:50,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:50,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:50,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 1566 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 00:45:50,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18814 backedges. 7446 proven. 325 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 163 states and 168 transitions. [2023-12-03 00:45:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2023-12-03 00:45:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-03 00:45:51,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:52,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 00:45:52,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18840 backedges. 7446 proven. 351 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 164 states and 169 transitions. [2023-12-03 00:45:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2023-12-03 00:45:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-12-03 00:45:52,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:53,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:45:53,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18867 backedges. 7446 proven. 378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 165 states and 170 transitions. [2023-12-03 00:45:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2023-12-03 00:45:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-12-03 00:45:54,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:54,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:54,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 00:45:54,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18895 backedges. 7446 proven. 406 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 166 states and 171 transitions. [2023-12-03 00:45:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2023-12-03 00:45:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-03 00:45:55,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:55,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 00:45:55,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 18924 backedges. 7446 proven. 435 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 167 states and 172 transitions. [2023-12-03 00:45:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2023-12-03 00:45:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-03 00:45:56,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:56,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 00:45:56,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 18954 backedges. 7446 proven. 465 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 168 states and 173 transitions. [2023-12-03 00:45:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2023-12-03 00:45:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-12-03 00:45:57,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:57,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:58,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 00:45:58,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 18985 backedges. 7446 proven. 496 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:45:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 169 states and 174 transitions. [2023-12-03 00:45:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2023-12-03 00:45:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-03 00:45:59,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:59,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:59,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 00:45:59,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 19017 backedges. 7446 proven. 528 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 170 states and 175 transitions. [2023-12-03 00:46:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 175 transitions. [2023-12-03 00:46:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-03 00:46:00,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:00,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:01,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 00:46:01,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 19050 backedges. 7446 proven. 561 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 171 states and 176 transitions. [2023-12-03 00:46:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2023-12-03 00:46:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-12-03 00:46:02,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:02,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 00:46:02,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 19084 backedges. 7446 proven. 595 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 172 states and 177 transitions. [2023-12-03 00:46:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2023-12-03 00:46:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-12-03 00:46:03,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:03,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:03,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 00:46:03,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 19119 backedges. 7446 proven. 630 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 173 states and 178 transitions. [2023-12-03 00:46:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 178 transitions. [2023-12-03 00:46:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-03 00:46:04,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 00:46:05,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 19155 backedges. 7446 proven. 666 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 174 states and 179 transitions. [2023-12-03 00:46:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 179 transitions. [2023-12-03 00:46:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-12-03 00:46:06,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:06,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 00:46:06,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 19192 backedges. 7446 proven. 703 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 175 states and 180 transitions. [2023-12-03 00:46:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2023-12-03 00:46:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-12-03 00:46:07,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:07,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 00:46:07,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19230 backedges. 7446 proven. 741 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 176 states and 181 transitions. [2023-12-03 00:46:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2023-12-03 00:46:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2023-12-03 00:46:08,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:08,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:09,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 00:46:09,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19269 backedges. 7446 proven. 780 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 177 states and 182 transitions. [2023-12-03 00:46:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 182 transitions. [2023-12-03 00:46:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-12-03 00:46:10,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:10,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:10,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 00:46:10,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 19309 backedges. 7446 proven. 820 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 178 states and 183 transitions. [2023-12-03 00:46:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2023-12-03 00:46:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-03 00:46:11,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:11,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:11,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 00:46:11,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 19350 backedges. 7446 proven. 861 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 179 states and 184 transitions. [2023-12-03 00:46:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 184 transitions. [2023-12-03 00:46:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-12-03 00:46:12,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:13,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 00:46:13,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 19392 backedges. 7446 proven. 903 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 180 states and 185 transitions. [2023-12-03 00:46:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 185 transitions. [2023-12-03 00:46:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-12-03 00:46:14,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:14,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:14,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 00:46:14,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19435 backedges. 7446 proven. 946 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 181 states and 186 transitions. [2023-12-03 00:46:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 186 transitions. [2023-12-03 00:46:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-12-03 00:46:15,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:15,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:15,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 1699 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-03 00:46:15,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 19479 backedges. 7446 proven. 990 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 182 states and 187 transitions. [2023-12-03 00:46:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 187 transitions. [2023-12-03 00:46:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-12-03 00:46:16,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:16,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:17,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 00:46:17,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19524 backedges. 7446 proven. 1035 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 183 states and 188 transitions. [2023-12-03 00:46:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 188 transitions. [2023-12-03 00:46:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-03 00:46:18,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:18,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 00:46:18,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 19570 backedges. 7446 proven. 1081 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 184 states and 189 transitions. [2023-12-03 00:46:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2023-12-03 00:46:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-03 00:46:19,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:20,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-03 00:46:20,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 19617 backedges. 7446 proven. 1128 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 185 states and 190 transitions. [2023-12-03 00:46:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2023-12-03 00:46:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-03 00:46:21,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:21,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 00:46:21,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19665 backedges. 7446 proven. 1176 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 186 states and 191 transitions. [2023-12-03 00:46:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 191 transitions. [2023-12-03 00:46:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-03 00:46:22,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:22,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:23,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 1734 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-03 00:46:23,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 19714 backedges. 7446 proven. 1225 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:24,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 187 states and 192 transitions. [2023-12-03 00:46:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2023-12-03 00:46:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-03 00:46:24,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:24,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 1741 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 00:46:24,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 19764 backedges. 7446 proven. 1275 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 188 states and 193 transitions. [2023-12-03 00:46:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 193 transitions. [2023-12-03 00:46:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-12-03 00:46:25,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:25,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:26,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-03 00:46:26,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 19815 backedges. 7446 proven. 1326 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 194 transitions. [2023-12-03 00:46:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2023-12-03 00:46:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-12-03 00:46:27,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:27,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:27,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-03 00:46:27,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:27,877 INFO L134 CoverageAnalysis]: Checked inductivity of 19867 backedges. 7446 proven. 1378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 195 transitions. [2023-12-03 00:46:28,624 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2023-12-03 00:46:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-03 00:46:28,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:29,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-03 00:46:29,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 19920 backedges. 7446 proven. 1431 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 191 states and 196 transitions. [2023-12-03 00:46:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 196 transitions. [2023-12-03 00:46:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-12-03 00:46:30,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:30,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 00:46:30,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 19974 backedges. 7446 proven. 1485 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 192 states and 197 transitions. [2023-12-03 00:46:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 197 transitions. [2023-12-03 00:46:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-12-03 00:46:31,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:32,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-03 00:46:32,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20029 backedges. 7446 proven. 1540 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2023-12-03 00:46:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2023-12-03 00:46:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-03 00:46:33,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:33,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:33,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-03 00:46:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20085 backedges. 7446 proven. 1596 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 194 states and 199 transitions. [2023-12-03 00:46:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 199 transitions. [2023-12-03 00:46:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-03 00:46:34,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:35,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-03 00:46:35,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 20142 backedges. 7446 proven. 1653 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 195 states and 200 transitions. [2023-12-03 00:46:36,341 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2023-12-03 00:46:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-03 00:46:36,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:36,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-03 00:46:36,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 7446 proven. 1711 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2023-12-03 00:46:37,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 196 states and 200 transitions. [2023-12-03 00:46:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 200 transitions. [2023-12-03 00:46:37,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-12-03 00:46:37,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:46:48,350 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:46:48,353 INFO L158 Benchmark]: Toolchain (without parser) took 156384.38ms. Allocated memory was 169.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 126.8MB in the beginning and 711.3MB in the end (delta: -584.5MB). Peak memory consumption was 817.0MB. Max. memory is 16.1GB. [2023-12-03 00:46:48,353 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:48,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.30ms. Allocated memory is still 169.9MB. Free memory was 126.4MB in the beginning and 115.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:46:48,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 114.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:46:48,354 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:46:48,354 INFO L158 Benchmark]: RCFGBuilder took 356.64ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 140.4MB in the end (delta: -27.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-12-03 00:46:48,354 INFO L158 Benchmark]: CodeCheck took 155709.75ms. Allocated memory was 169.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 140.4MB in the beginning and 711.3MB in the end (delta: -570.8MB). Peak memory consumption was 829.0MB. Max. memory is 16.1GB. [2023-12-03 00:46:48,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.30ms. Allocated memory is still 169.9MB. Free memory was 126.4MB in the beginning and 115.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 169.9MB. Free memory was 115.5MB in the beginning and 114.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.64ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 140.4MB in the end (delta: -27.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * CodeCheck took 155709.75ms. Allocated memory was 169.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 140.4MB in the beginning and 711.3MB in the end (delta: -570.8MB). Peak memory consumption was 829.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:46:48,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:46:50,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:46:50,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:46:50,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:46:50,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:46:50,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:46:50,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:46:50,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:46:50,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:46:50,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:46:50,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:46:50,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:46:50,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:46:50,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:46:50,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:46:50,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:46:50,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:46:50,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:46:50,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:46:50,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:46:50,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:46:50,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:46:50,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:46:50,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:46:50,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:46:50,403 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:50,403 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:46:50,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:46:50,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:50,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:46:50,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:46:50,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:46:50,406 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:46:50,406 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:50,407 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:46:50,407 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:46:50,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:46:50,407 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 [2023-12-03 00:46:50,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:46:50,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:46:50,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:46:50,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:46:50,711 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:46:50,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2023-12-03 00:46:53,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:46:53,750 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:46:53,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i [2023-12-03 00:46:53,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/7c4a39217/c6d3907704ed4feaac5be9ff4144d777/FLAG20ecdc082 [2023-12-03 00:46:53,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/data/7c4a39217/c6d3907704ed4feaac5be9ff4144d777 [2023-12-03 00:46:53,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:46:53,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:46:53,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:53,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:46:53,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:46:53,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:53" (1/1) ... [2023-12-03 00:46:53,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30afb678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:53, skipping insertion in model container [2023-12-03 00:46:53,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:46:53" (1/1) ... [2023-12-03 00:46:53,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:46:53,980 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2023-12-03 00:46:53,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:53,997 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:46:54,022 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2023-12-03 00:46:54,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:46:54,039 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:46:54,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54 WrapperNode [2023-12-03 00:46:54,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:46:54,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:54,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:46:54,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:46:54,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,079 INFO L138 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-03 00:46:54,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:46:54,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:46:54,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:46:54,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:46:54,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:46:54,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:46:54,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:46:54,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:46:54,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:46:54,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:46:54,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:46:54,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:46:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:46:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:46:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:46:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:46:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:46:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:46:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2023-12-03 00:46:54,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2023-12-03 00:46:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:46:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:46:54,272 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:46:54,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:46:54,848 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:46:54,904 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:46:54,905 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 00:46:54,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:54 BoogieIcfgContainer [2023-12-03 00:46:54,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:46:54,908 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:46:54,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:46:54,917 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:46:54,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:46:54" (1/1) ... [2023-12-03 00:46:54,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:46:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 00:46:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 00:46:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:46:54,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:54,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:54,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:54,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:54,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:46:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:56,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:46:56,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:46:57,184 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:46:57,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:46:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:58,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 00:46:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 00:46:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:46:58,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:58,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:58,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:58,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:58,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:46:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:59,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:59,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:46:59,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:46:59,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:46:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:46:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:46:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:46:59,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:59,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:59,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:59,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:47:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:00,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:00,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:00,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:00,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:47:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:01,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:01,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:01,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:01,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:01,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:47:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:02,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:02,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:02,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:02,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:47:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:02,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:02,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:02,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:02,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:47:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:03,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:03,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:03,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:47:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:03,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:03,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:03,746 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:03,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:47:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:04,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:05,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:05,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:05,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:47:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:05,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:05,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:05,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:05,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:05,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:47:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:06,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:06,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:06,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:06,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:47:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:06,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:06,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:06,306 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:06,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:47:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:07,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:07,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:07,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:07,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:47:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:07,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:07,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:07,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:07,674 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:07,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:47:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:08,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:08,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:08,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:08,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:47:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:08,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:08,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:08,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:08,926 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:08,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:47:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:09,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:10,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:10,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:10,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:47:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:10,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:10,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:10,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:10,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:10,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:47:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:11,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:11,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:11,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:11,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:47:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:11,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:11,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:11,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:11,499 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:11,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:47:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:12,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:13,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:13,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:13,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:47:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:13,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:13,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:13,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:13,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:47:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:14,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:14,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:14,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:14,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:47:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:14,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:14,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:14,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:14,258 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:14,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:47:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:15,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:15,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:15,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:15,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:47:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:15,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:15,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:15,439 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:15,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:47:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:16,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:16,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:16,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:16,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:47:16,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:16,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:16,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:16,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:16,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:16,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:47:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:17,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:17,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:17,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:17,844 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:17,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:47:17,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:17,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:17,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:17,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:17,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:17,861 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:17,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:47:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:18,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:18,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:18,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:19,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:19,018 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:19,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:19,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:19,019 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:19,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:47:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:19,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:20,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:20,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:20,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:47:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:20,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:20,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:20,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:20,184 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:20,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:47:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:21,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:21,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:21,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:21,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:47:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:21,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:21,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:21,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:21,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:21,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:47:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:22,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:22,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:22,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:22,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:47:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:22,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:22,570 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:22,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:47:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:23,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:23,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:23,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:23,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:47:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:23,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:23,745 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:23,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:47:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:24,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:24,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:24,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:24,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:24,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:24,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:24,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:24,908 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:24,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:47:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:25,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:26,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:26,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:26,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:47:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:26,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:26,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:26,068 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:26,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:47:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:27,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:27,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:27,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:27,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:47:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:27,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:27,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:27,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:27,233 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:27,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:47:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:28,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:28,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:28,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:28,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:47:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:28,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:28,427 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:28,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:47:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:29,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:29,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:29,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:29,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:29,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:47:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:29,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:29,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:29,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:29,606 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:29,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:47:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:30,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:30,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:30,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:30,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:47:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:30,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:30,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:30,794 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:30,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:47:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:31,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:31,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:31,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:31,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:31,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:31,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:31,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:31,969 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:31,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:47:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:32,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:33,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:33,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:33,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:47:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:33,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:33,171 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:33,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:47:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:34,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:34,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:34,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:34,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:47:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:34,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:34,353 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:47:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:35,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:35,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:35,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:35,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-03 00:47:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:35,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:35,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:35,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:35,582 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:35,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:47:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:36,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:36,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:36,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:36,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:47:36,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:36,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:36,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:36,763 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:36,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:47:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:37,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:37,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:37,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:37,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:47:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:37,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:37,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:37,960 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:37,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:47:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:38,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:39,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:39,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:47:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:39,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:39,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:39,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:39,149 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:47:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:40,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:40,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:40,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:40,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:47:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:40,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:40,340 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:47:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:41,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:41,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:41,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:41,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:47:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:41,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:41,558 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:41,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:47:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:42,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:42,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:42,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:42,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:47:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:42,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:42,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:42,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:42,752 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:42,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:47:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:43,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:43,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:43,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:47:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:43,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:43,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:43,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:43,920 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:43,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:47:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:44,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:45,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:45,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:45,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:47:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:45,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:45,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:45,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:45,102 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:45,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:47:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:46,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:46,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:46,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:46,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:47:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:46,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:46,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:46,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:46,301 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:46,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:47:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:47,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:47,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:47,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:47,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:47:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:47,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:47,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:47,507 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:47,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:47:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:48,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:48,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:48,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:48,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:47:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:48,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:48,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:48,717 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:48,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:47:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:49,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:49,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:49,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:49,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:47:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:49,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:49,912 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:49,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:47:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:50,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:51,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:51,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:51,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:47:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:51,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:51,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:51,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:51,107 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:51,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:47:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:52,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:52,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:52,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:52,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:47:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:52,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:52,294 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:47:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:53,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:53,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:53,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:53,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:47:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:53,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:53,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:53,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:53,498 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:53,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:47:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:54,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:54,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:54,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:54,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:47:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:54,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:54,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:54,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:54,706 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:54,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:47:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:55,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:55,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:55,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:55,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:47:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:55,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:55,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:55,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:55,930 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:55,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:47:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:56,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:57,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:57,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:57,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:47:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:57,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:57,136 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:57,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:47:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:58,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:58,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:58,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:58,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:47:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:58,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:58,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:58,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:58,385 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:58,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:47:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:59,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:47:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:59,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:47:59,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:47:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:47:59,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:47:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:47:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:47:59,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:59,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:59,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:59,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:47:59,620 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:47:59,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:48:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:00,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:00,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:00,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:00,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:00,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:00,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:00,896 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:00,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:48:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:01,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:02,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:02,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:02,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:48:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:02,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:02,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:02,150 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:02,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:48:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:03,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:03,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:03,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:03,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:48:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:03,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:03,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:03,397 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:03,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:48:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:04,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:04,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:04,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:04,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:48:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:04,664 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:04,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:04,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:04,665 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:04,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:48:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:05,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:05,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:05,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:05,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:48:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:05,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:05,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:05,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:05,916 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:05,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:48:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:06,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:07,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:07,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:07,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:07,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:07,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:07,137 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:07,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:48:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:08,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:08,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:08,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:08,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:48:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:08,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:08,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:08,481 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:08,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:48:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:09,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:09,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:48:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:09,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:09,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:09,755 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:09,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:48:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:10,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:10,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:48:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:10,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:10,992 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:10,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:48:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:12,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:12,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:12,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:12,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:12,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:12,221 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:12,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:48:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:13,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:13,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:48:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:13,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:13,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:13,422 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:13,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:48:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:14,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:14,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:48:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:14,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:14,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:14,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:14,673 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:14,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:48:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:15,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:15,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:15,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:15,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:48:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:15,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:15,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:15,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:15,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:15,874 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:15,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:48:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:16,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:17,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:17,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:17,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:17,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:17,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:17,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:17,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:17,085 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:17,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:48:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:18,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:18,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:18,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:18,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:48:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:18,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:18,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:18,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:18,284 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:18,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:48:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:19,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:19,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:19,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:19,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:48:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:19,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:19,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:19,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:19,515 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:19,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:48:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:20,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:20,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:20,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:20,734 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:20,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:48:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:20,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:20,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:20,748 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:20,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:48:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:21,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:21,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:21,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:21,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:48:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:21,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:21,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:21,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:21,965 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:21,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:48:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:23,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:23,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:23,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:23,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:48:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:23,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:23,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:23,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:23,208 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:23,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:48:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:24,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:24,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:24,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:24,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:24,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:24,428 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:24,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:48:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:25,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:25,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:25,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:25,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:48:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:25,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:25,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:25,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:25,667 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:25,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:48:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:26,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:26,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:26,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:26,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:48:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:26,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:26,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:26,903 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:26,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:48:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:27,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:28,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:28,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:28,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:28,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:28,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:28,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:28,136 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:28,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:48:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:29,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:29,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:29,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:29,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:48:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:29,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:29,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:29,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:29,370 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:29,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:48:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:30,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:30,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:30,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:30,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:48:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:30,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:30,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:30,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:30,617 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:30,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:48:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:31,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:31,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:31,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:48:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:31,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:31,897 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:31,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:48:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:33,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:33,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:33,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:33,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:33,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:33,224 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:33,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:48:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:34,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:34,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:34,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:34,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:48:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:34,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:34,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:34,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:34,565 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:34,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:48:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:35,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:35,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:35,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:35,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:48:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:35,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:35,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:35,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:35,852 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:35,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:48:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:36,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:37,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:37,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:37,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:48:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:37,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:37,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:37,126 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:37,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:48:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:38,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:38,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:38,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:38,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:48:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:38,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:38,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:38,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:38,395 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:48:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:39,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:39,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:39,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:39,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:48:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:39,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:39,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:39,738 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:48:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:40,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:40,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:40,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:41,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:48:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:41,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:41,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:41,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:41,012 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:41,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:48:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:42,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:42,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:42,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:42,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:48:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:42,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:42,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:42,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:42,322 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:42,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:48:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:43,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:43,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:43,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:43,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:48:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:43,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:43,579 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:43,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:48:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:44,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:44,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:44,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:44,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:48:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:44,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:44,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:44,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:44,807 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:44,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:48:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:45,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:46,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:46,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:46,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:48:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:46,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:46,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:46,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:46,048 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:46,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:48:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:47,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:47,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:47,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:47,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:48:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:47,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:47,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:47,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:47,292 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:47,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:48:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:48,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:48,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:48,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:48,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:48:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:48,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:48,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:48,553 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:48,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:48:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:49,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:49,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:49,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:49,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:48:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:49,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:49,849 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:49,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:48:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:50,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:51,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:51,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:51,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-03 00:48:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:51,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:51,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:51,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:51,118 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:51,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:48:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:52,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:52,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:52,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:52,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:48:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:52,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:52,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:52,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:52,391 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:52,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:48:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:53,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:53,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:53,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:53,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:48:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:53,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:53,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:53,656 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:53,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:48:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:54,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:54,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:54,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:54,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:54,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:48:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:54,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:54,964 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:54,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:48:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:56,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:56,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:56,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:56,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:48:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:56,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:56,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:56,251 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:56,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:48:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:57,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:57,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:57,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:57,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:48:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:57,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:57,531 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:57,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:48:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:58,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:48:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:58,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:48:58,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:48:58,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:48:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:48:58,816 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:48:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:48:58,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:48:58,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:48:58,818 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:48:58,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:48:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:59,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:00,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:00,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:00,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:49:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:00,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:00,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:00,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:00,151 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:00,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:49:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:01,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:01,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:01,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:01,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:49:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:01,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:01,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:01,454 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:49:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:02,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:02,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:02,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:49:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:02,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:02,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:02,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:02,767 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:02,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:49:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:03,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:04,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:04,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:04,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:49:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:04,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:04,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:04,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:04,053 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:04,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:49:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:05,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:05,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:05,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:05,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:05,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:05,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:05,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:05,349 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:05,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:49:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:06,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:06,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:06,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:06,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:49:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:06,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:06,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:06,624 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:49:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:07,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:07,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:07,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:07,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:49:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:07,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:07,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:07,916 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:07,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:49:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:08,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:09,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:09,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:09,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:49:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:09,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:09,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:09,184 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:09,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:49:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:10,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:10,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:10,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:10,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:49:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:10,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:10,510 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:10,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:49:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:11,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:11,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:11,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:11,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:49:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:11,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:11,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:11,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:11,795 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:11,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:49:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:12,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:13,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:13,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:13,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:49:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:13,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:13,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:13,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:13,087 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:49:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:14,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:14,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:14,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:14,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:49:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:14,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:14,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:14,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:14,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:14,361 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:14,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:49:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:15,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:15,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:15,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:15,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:49:15,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:15,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:15,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:15,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:15,646 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:49:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:16,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:16,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:16,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:16,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:49:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:16,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:16,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:16,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:16,944 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:16,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:49:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:18,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:18,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:18,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:18,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:49:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:18,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:18,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:18,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:18,244 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:18,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:49:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:19,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:19,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:19,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:19,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:49:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:19,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:19,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:19,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:19,531 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:19,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:49:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:20,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:20,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:20,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:20,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:49:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:20,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:20,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:20,834 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:20,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:49:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:21,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:22,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:22,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:22,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:49:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:22,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:22,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:22,164 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:22,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:49:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:23,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:23,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:23,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:23,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:49:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:23,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:23,449 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:23,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:49:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:24,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:24,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:24,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:24,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:24,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:24,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:24,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:24,757 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:24,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:49:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:25,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:26,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:26,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:26,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:26,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:26,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:26,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:26,061 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:26,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:49:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:27,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:27,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:27,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:27,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:49:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:27,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:27,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:27,369 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:27,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:49:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:28,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:28,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:28,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:28,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:49:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:28,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:28,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:28,667 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:28,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:49:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:29,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:29,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:29,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:29,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:49:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:29,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:29,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:29,958 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:29,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:49:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:31,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:31,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:31,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:31,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:49:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:31,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:31,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:31,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:31,409 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:31,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:49:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:32,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:32,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:32,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:32,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:49:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:32,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:32,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:32,727 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:32,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:49:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:33,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:34,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:34,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:34,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:49:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:34,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:34,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:34,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:34,040 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:49:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:35,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:35,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:35,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:35,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:49:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:35,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:35,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:35,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:35,352 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:35,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:49:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:36,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:36,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:36,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:36,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:36,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:36,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:36,667 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:36,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:49:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:37,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:37,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:37,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:37,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:49:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:37,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:37,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:37,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:37,980 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:37,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:49:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:39,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:39,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:39,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:39,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:39,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:49:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:39,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:39,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:39,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:39,275 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:39,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:49:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:40,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:40,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:40,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:40,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:49:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:40,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:40,623 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:40,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:49:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:41,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:41,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:41,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:41,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:49:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:41,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:41,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:41,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:41,913 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:41,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:49:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:43,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:43,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:43,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:43,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:49:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:43,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:43,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:43,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:43,289 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:43,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:49:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:44,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:44,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:44,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:44,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:49:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:44,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:44,671 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:44,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:49:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:45,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:45,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:45,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:46,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:46,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:46,009 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:49:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:47,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:47,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:47,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:49:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:47,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:47,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:47,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:47,298 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:47,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:49:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:48,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:48,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:48,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:48,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 00:49:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:48,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:48,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:48,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:48,598 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:49:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:49,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:49,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:49,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:49,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:49:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:49,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:49,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:49,861 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:49,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:49:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:50,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:51,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:51,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 00:49:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:51,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:51,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:51,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:51,162 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:51,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:49:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:52,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:52,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:52,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:52,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:49:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:52,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:52,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:52,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:52,495 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:52,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:49:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:53,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:53,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:53,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:53,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2023-12-03 00:49:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:53,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:53,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:53,827 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:53,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:49:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:54,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:55,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:55,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:55,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:49:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:55,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:55,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:55,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:55,125 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:55,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:49:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:56,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:56,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:56,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:56,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:49:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:56,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:56,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:56,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:56,464 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:56,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:49:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:57,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:57,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:57,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:57,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:49:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:57,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:57,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:57,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:57,807 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:57,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:49:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:58,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:49:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:59,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:49:59,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:49:59,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 00:49:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:49:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:49:59,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:49:59,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:49:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:49:59,146 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:49:59,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:50:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:00,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:00,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:00,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:00,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:50:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:00,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:00,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:00,488 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:00,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:50:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:01,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:01,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:01,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:01,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 00:50:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:01,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:01,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:01,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:01,890 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:01,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:50:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:03,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:03,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:03,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:03,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:50:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:03,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:03,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:03,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:03,231 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:03,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:50:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:04,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:04,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:04,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:04,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2023-12-03 00:50:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:04,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:04,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:04,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:04,574 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:04,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:50:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:05,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:05,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:05,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:50:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:05,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:05,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:05,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:05,927 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:50:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:07,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:07,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:07,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:50:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:07,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:07,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:07,254 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 00:50:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:08,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:08,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:08,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:08,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 00:50:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:08,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:08,584 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:08,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 00:50:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:09,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:09,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:09,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:09,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 00:50:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:09,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:09,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:09,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:09,910 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:09,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 00:50:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:11,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:11,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:11,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:11,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 00:50:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:11,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:11,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:11,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:11,258 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:11,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 00:50:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:12,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:12,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:12,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:12,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 00:50:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:12,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:12,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:12,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:12,623 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:12,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 00:50:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:13,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:13,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:13,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:13,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 00:50:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:13,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:13,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:13,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:13,981 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:13,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 00:50:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:15,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:15,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:15,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:15,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 00:50:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:15,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:15,336 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:15,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 00:50:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:16,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:16,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:16,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:16,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 00:50:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:16,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:16,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:16,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:16,737 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:16,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 00:50:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:18,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:18,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:18,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:18,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 00:50:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:18,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:18,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:18,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:18,208 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:18,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 00:50:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:19,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:19,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:19,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:19,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 00:50:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:19,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:19,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:19,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:19,602 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:19,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 00:50:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:20,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:20,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:20,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:20,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-03 00:50:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:20,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:20,973 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:20,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 00:50:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:22,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:22,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:22,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:22,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 00:50:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:22,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:22,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:22,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:22,322 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:22,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 00:50:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:23,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:23,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:23,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:23,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-03 00:50:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:23,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:23,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:23,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:23,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:23,672 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:23,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-03 00:50:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:24,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:25,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:25,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:25,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-03 00:50:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:25,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:25,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:25,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:25,040 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-03 00:50:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:26,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:26,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:26,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:26,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-03 00:50:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:26,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:26,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:26,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:26,367 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:26,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-03 00:50:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:27,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:27,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:27,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:27,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-03 00:50:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:27,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:27,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:27,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:27,735 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:27,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-03 00:50:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:28,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:29,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:29,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:29,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-03 00:50:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:29,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:29,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:29,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:29,114 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-03 00:50:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:30,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:30,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:30,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:30,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-03 00:50:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:30,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:30,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:30,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:30,493 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:30,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-03 00:50:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:31,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:31,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:31,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:31,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-03 00:50:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:31,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:31,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:31,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:31,811 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-03 00:50:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:32,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:33,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:33,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:33,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-03 00:50:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:33,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:33,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:33,195 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:33,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-03 00:50:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:34,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:34,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:34,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:34,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-03 00:50:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:34,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:34,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:34,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:34,568 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:34,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-03 00:50:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:35,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:35,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:35,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:35,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-03 00:50:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:35,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:35,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:35,950 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:35,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-03 00:50:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:37,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:37,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:37,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:37,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:37,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-03 00:50:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:37,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:37,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:37,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:37,322 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:37,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-03 00:50:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:38,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:38,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:38,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:38,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-03 00:50:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:38,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:38,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:38,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:38,711 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:38,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-03 00:50:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:39,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:40,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:40,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:40,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-03 00:50:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:40,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:40,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:40,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:40,096 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:40,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-03 00:50:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:41,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:41,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:41,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-03 00:50:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:41,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:41,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:41,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:41,491 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:41,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-03 00:50:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:42,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:42,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:42,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:42,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-03 00:50:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:42,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:42,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:42,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:42,904 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:42,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-03 00:50:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:44,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:44,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:44,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-03 00:50:44,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:44,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:44,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:44,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:44,249 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:44,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-03 00:50:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:45,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:45,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:45,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:45,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-03 00:50:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:45,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:45,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:45,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:45,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:45,659 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:45,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-03 00:50:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:46,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:46,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:46,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:47,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-03 00:50:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:47,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:47,009 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-03 00:50:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:48,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:48,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:48,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:48,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-03 00:50:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:48,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:48,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:48,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:48,367 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:48,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-03 00:50:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:49,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:49,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:49,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:49,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-03 00:50:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:49,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:49,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:49,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:49,754 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:49,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-03 00:50:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:50,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:51,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:51,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:51,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-03 00:50:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:51,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:51,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:51,127 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:51,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-03 00:50:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:52,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:52,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:52,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-03 00:50:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:52,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:52,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:52,534 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:52,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-03 00:50:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:53,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:53,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:53,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:53,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-03 00:50:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:53,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:53,912 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:53,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-03 00:50:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:55,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:55,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:55,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:55,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-03 00:50:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:55,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:55,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:55,235 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:55,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-03 00:50:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:56,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:56,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:56,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:56,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-03 00:50:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:56,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:56,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:56,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:56,610 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:56,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-03 00:50:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:57,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:57,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:57,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:57,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-03 00:50:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:57,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:57,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:57,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:57,974 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:57,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-03 00:50:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:59,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:50:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:59,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:50:59,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:59,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:50:59,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-03 00:50:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:50:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:50:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:50:59,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:50:59,346 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:50:59,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-03 00:51:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:00,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:00,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:00,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:00,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-03 00:51:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:00,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:00,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:00,751 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-03 00:51:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:01,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:02,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:02,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:02,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-03 00:51:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:02,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:02,147 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:02,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-03 00:51:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:03,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:03,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:03,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:03,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-03 00:51:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:03,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:03,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:03,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:03,566 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:03,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-03 00:51:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:04,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:05,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:05,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:05,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-03 00:51:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:05,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:05,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:05,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:05,057 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:05,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-03 00:51:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:06,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:06,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:06,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:06,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-03 00:51:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:06,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:06,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:06,443 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:06,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-03 00:51:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:07,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:07,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:07,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:07,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-03 00:51:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:07,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:07,886 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-03 00:51:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:09,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:09,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:09,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:09,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-03 00:51:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:09,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:09,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:09,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:09,247 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:09,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-03 00:51:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:10,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:10,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:10,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:10,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-03 00:51:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:10,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:10,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:10,666 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:10,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-03 00:51:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:11,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:12,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:12,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:12,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-03 00:51:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:12,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:12,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:12,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:12,083 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:12,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-03 00:51:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:13,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:13,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:13,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:13,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-03 00:51:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:13,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:13,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:13,449 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-03 00:51:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:14,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:14,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:14,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:14,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-03 00:51:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:14,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:14,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:14,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:14,810 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:14,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-03 00:51:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:16,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:16,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:16,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:16,182 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:16,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-03 00:51:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:16,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:16,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:16,196 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:16,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-03 00:51:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:17,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:17,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:17,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:17,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-03 00:51:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:17,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:17,589 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:17,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:17,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:17,590 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:17,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-03 00:51:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:18,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:18,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:18,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:18,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-03 00:51:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:18,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:18,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:18,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:18,981 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:18,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-03 00:51:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:20,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:20,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:20,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:20,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-03 00:51:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:20,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:20,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:20,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:20,411 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:20,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-03 00:51:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:21,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:21,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:21,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:21,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-03 00:51:21,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:21,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:21,840 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:21,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-03 00:51:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:23,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:23,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:23,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:23,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2023-12-03 00:51:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:23,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:23,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:23,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:23,290 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:23,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-03 00:51:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:24,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:24,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:24,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:24,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-03 00:51:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:24,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:24,703 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-03 00:51:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:25,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:26,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:26,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:26,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2023-12-03 00:51:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:26,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:26,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:26,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:26,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:26,107 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:26,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-03 00:51:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:27,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:27,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:27,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:27,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-03 00:51:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:27,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:27,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:27,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:27,537 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:27,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-03 00:51:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:28,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:28,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:28,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:28,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2023-12-03 00:51:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:28,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:28,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:28,947 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:28,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-03 00:51:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:30,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:30,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:30,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:30,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-03 00:51:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:30,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:30,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:30,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:30,380 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:30,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-03 00:51:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:31,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:31,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:31,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:31,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-03 00:51:31,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:31,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:31,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:31,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:31,852 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:31,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-03 00:51:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:33,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:33,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:33,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:33,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-03 00:51:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:33,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:33,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:33,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:33,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:33,297 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:33,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-03 00:51:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:34,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:34,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:34,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:34,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-03 00:51:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:34,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:34,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:34,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:34,695 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:34,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-03 00:51:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:35,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:36,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:36,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:36,098 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:36,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-03 00:51:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:36,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:36,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:36,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:36,113 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:36,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-03 00:51:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:37,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:37,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:37,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:37,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-03 00:51:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:37,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:37,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:37,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:37,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:37,559 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:37,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-03 00:51:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:38,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:39,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:39,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:39,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-03 00:51:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:39,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:39,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:39,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:39,021 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:39,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-03 00:51:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:40,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:40,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:40,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:40,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-03 00:51:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:40,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:40,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:40,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:40,446 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:40,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-03 00:51:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:41,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:41,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:41,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2023-12-03 00:51:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:41,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:41,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:41,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:41,861 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:41,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-03 00:51:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:43,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:43,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:43,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:43,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-03 00:51:43,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:43,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:43,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:43,252 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:43,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-03 00:51:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:44,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:44,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:44,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:44,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-03 00:51:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:44,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:44,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:44,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:44,623 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:44,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-03 00:51:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:45,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:46,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:46,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:46,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-03 00:51:46,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:46,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:46,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:46,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:46,085 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:46,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-03 00:51:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:47,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:47,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:47,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:47,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-03 00:51:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:47,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:47,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:47,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:47,541 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:47,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-03 00:51:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:48,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:48,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:48,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:48,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-03 00:51:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:48,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:48,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:48,983 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-03 00:51:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:50,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:50,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:50,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:50,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-03 00:51:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:50,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:50,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:50,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:50,443 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:50,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-03 00:51:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:51,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:51,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:51,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:51,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-03 00:51:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:51,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:51,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:51,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:51,914 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:51,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-03 00:51:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:53,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:53,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:53,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:53,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-03 00:51:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:53,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:53,383 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:53,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-03 00:51:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:54,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:54,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:54,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:54,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-03 00:51:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:54,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:54,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:54,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:54,855 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:54,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-03 00:51:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:56,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:56,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:56,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:56,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:56,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-03 00:51:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:56,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:56,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:56,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:56,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:56,293 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:56,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-03 00:51:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:57,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:57,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:57,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:57,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2023-12-03 00:51:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:57,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:57,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:57,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:57,696 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:57,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-03 00:51:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:58,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:51:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:59,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:51:59,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:51:59,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-03 00:51:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:51:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:51:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:51:59,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:59,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:51:59,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:51:59,112 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:51:59,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-03 00:52:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:00,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:00,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:00,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:00,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-03 00:52:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:00,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:00,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:00,573 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-03 00:52:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:01,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:01,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:01,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:01,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-03 00:52:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:01,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:01,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:01,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:01,952 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:01,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-03 00:52:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:03,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:03,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:03,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:03,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-03 00:52:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:03,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:03,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:03,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:03,429 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:03,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-03 00:52:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:04,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:04,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:04,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:04,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-03 00:52:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:04,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:04,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:04,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:04,934 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-03 00:52:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:06,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:06,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:06,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:06,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2023-12-03 00:52:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:06,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:06,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:06,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:06,321 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:06,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-03 00:52:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:07,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:07,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:07,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:07,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-03 00:52:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:07,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:07,752 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:07,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-03 00:52:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:08,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:09,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:09,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:09,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:09,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-03 00:52:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:09,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:09,124 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:09,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-03 00:52:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:10,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:10,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:10,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:10,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-03 00:52:10,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:10,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:10,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:10,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:10,559 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:10,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-03 00:52:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:11,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:11,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:11,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:11,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-03 00:52:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:11,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:11,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:11,989 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:11,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-03 00:52:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:13,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:13,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:13,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:13,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-03 00:52:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:13,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:13,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:13,447 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:13,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-03 00:52:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:14,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:14,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:14,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:14,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-03 00:52:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:14,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:14,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:14,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:14,854 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:14,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-03 00:52:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:16,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:16,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:16,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-03 00:52:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:16,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:16,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:16,335 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:16,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-03 00:52:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:17,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:17,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:17,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:17,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-03 00:52:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:17,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:17,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:17,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:17,760 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:17,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-03 00:52:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:18,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:19,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:19,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:19,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-03 00:52:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:19,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:19,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:19,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:19,193 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-03 00:52:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:20,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:20,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:20,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:20,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-03 00:52:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:20,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:20,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:20,629 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:20,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-03 00:52:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:21,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:22,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:22,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:22,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2023-12-03 00:52:22,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:22,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:22,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:22,118 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:22,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-03 00:52:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:23,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:23,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:23,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:23,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-03 00:52:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:23,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:23,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:23,522 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:23,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-03 00:52:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:24,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:24,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:24,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:24,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:24,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:24,968 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:24,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-03 00:52:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:26,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:26,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:26,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:26,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:26,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:26,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:26,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:26,460 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:26,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-03 00:52:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:27,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:27,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:27,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:27,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-03 00:52:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:27,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:27,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:27,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:27,967 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:27,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-03 00:52:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:29,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:29,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:29,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:29,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-03 00:52:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:29,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:29,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:29,443 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:29,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-03 00:52:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:30,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:30,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:30,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:30,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-03 00:52:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:30,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:30,959 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:30,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-03 00:52:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:32,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:32,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:32,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:32,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-03 00:52:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:32,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:32,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:32,474 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:32,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-03 00:52:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:33,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:33,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:33,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:33,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-03 00:52:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:33,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:33,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:33,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:33,963 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:33,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-03 00:52:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:35,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:35,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:35,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:35,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2023-12-03 00:52:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:35,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:35,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:35,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:35,446 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:35,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-03 00:52:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:36,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:36,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:36,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:36,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-03 00:52:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:36,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:36,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:36,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:36,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:36,965 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:36,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-03 00:52:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:38,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:38,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:38,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-03 00:52:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:38,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:38,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:38,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:38,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:38,476 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:38,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-03 00:52:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:39,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:39,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:39,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-03 00:52:39,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:39,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:39,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:39,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:39,975 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:39,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-03 00:52:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:41,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:41,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:41,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:41,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-03 00:52:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:41,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:41,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:41,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:41,369 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:41,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-03 00:52:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:42,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:42,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:42,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-03 00:52:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:42,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:42,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:42,781 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-03 00:52:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:44,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:44,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:44,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:44,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-03 00:52:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:44,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:44,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:44,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:44,247 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:44,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-03 00:52:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:45,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:45,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:45,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:45,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-03 00:52:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:45,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:45,747 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:45,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-03 00:52:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:47,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:47,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:47,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-03 00:52:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:47,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:47,241 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-03 00:52:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:48,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:48,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:48,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:48,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-03 00:52:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:48,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:48,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:48,753 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-03 00:52:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:50,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:50,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:50,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:50,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-03 00:52:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:50,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:50,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:50,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:50,229 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:50,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-03 00:52:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:51,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:51,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:51,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:51,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2023-12-03 00:52:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:51,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:51,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:51,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:51,622 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-03 00:52:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:52,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:53,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:53,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:53,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-03 00:52:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:53,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:53,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:53,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:53,097 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:53,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-03 00:52:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:54,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:54,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:54,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:54,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-03 00:52:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:54,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:54,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:54,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:54,499 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:54,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-03 00:52:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:55,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:55,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:55,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:55,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-03 00:52:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:55,968 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:55,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:55,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:55,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:55,969 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:55,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-03 00:52:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:57,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:57,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:57,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:57,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-03 00:52:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:57,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:57,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:57,447 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-03 00:52:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:58,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:52:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:58,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:52:58,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:52:58,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2023-12-03 00:52:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:52:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:52:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:52:58,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:52:58,929 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:52:58,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-03 00:53:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:00,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:00,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:00,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-03 00:53:00,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:00,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:00,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:00,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:00,400 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:00,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-03 00:53:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:01,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:01,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:01,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:01,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-03 00:53:01,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:01,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:01,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:01,846 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:01,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-03 00:53:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:03,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:03,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:03,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:03,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-03 00:53:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:03,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:03,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:03,321 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-03 00:53:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:04,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:04,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:04,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:04,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-03 00:53:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:04,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:04,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:04,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:04,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:04,769 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:04,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-03 00:53:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:06,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:06,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:06,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:06,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-03 00:53:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:06,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:06,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:06,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:06,296 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:06,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-03 00:53:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:07,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:07,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:07,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:07,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-03 00:53:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:07,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:07,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:07,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:07,706 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:07,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-03 00:53:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:09,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:09,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:09,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:09,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-03 00:53:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:09,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:09,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:09,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:09,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:09,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:09,213 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:09,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-03 00:53:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:10,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:10,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:10,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:10,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-03 00:53:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:10,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:10,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:10,700 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:10,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-03 00:53:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:12,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:12,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:12,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:12,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-03 00:53:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:12,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:12,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:12,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:12,225 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:12,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-03 00:53:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:13,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:13,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:13,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:13,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-03 00:53:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:13,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:13,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:13,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:13,773 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:13,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-03 00:53:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:15,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:15,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:15,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:15,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-03 00:53:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:15,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:15,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:15,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:15,311 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:15,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-03 00:53:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:16,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:16,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:16,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:16,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-03 00:53:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:16,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:16,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:16,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:16,814 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:16,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-03 00:53:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:18,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:18,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:18,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:18,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-03 00:53:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:18,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:18,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:18,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:18,324 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:18,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-03 00:53:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:19,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:19,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:19,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:19,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-03 00:53:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:19,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:19,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:19,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:19,864 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-03 00:53:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:21,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:21,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:21,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-03 00:53:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:21,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:21,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:21,383 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:21,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-03 00:53:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:22,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:22,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:22,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:22,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-03 00:53:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:22,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:22,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:22,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:22,909 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:22,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-03 00:53:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:24,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:24,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:24,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:24,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-03 00:53:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:24,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:24,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:24,431 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:24,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-03 00:53:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:25,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:25,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:25,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:25,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-03 00:53:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:25,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:25,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:25,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:25,868 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:25,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-03 00:53:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:27,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:27,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:27,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-03 00:53:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:27,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:27,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:27,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:27,328 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:27,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-03 00:53:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:28,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:28,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:28,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:28,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-03 00:53:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:28,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:28,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:28,824 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:28,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-03 00:53:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:30,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:30,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:30,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:30,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-03 00:53:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:30,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:30,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:30,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:30,371 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:30,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-03 00:53:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:31,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:31,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:31,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:31,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-03 00:53:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:31,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:31,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:31,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:31,897 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:31,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-03 00:53:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:33,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:33,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:33,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-03 00:53:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:33,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:33,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:33,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:33,456 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:33,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-03 00:53:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:34,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:34,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:34,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:34,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-03 00:53:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:34,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:34,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:34,986 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:34,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-03 00:53:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:36,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:36,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:36,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:36,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-03 00:53:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:36,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:36,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:36,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:36,512 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:36,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-03 00:53:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:37,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:38,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:38,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:38,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-03 00:53:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:38,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:38,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:38,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:38,038 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:38,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-03 00:53:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:39,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:39,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:39,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:39,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2023-12-03 00:53:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:39,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:39,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:39,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:39,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:39,601 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:39,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-03 00:53:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:40,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:41,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:41,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:41,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-03 00:53:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:41,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:41,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:41,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:41,166 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:41,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-03 00:53:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:42,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:42,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:42,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:42,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-03 00:53:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:42,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:42,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:42,698 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:42,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-03 00:53:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:44,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:44,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:44,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:44,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2023-12-03 00:53:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:44,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:44,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:44,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:44,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:44,216 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:44,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-03 00:53:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:45,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:45,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:45,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:45,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-03 00:53:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:45,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:45,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:45,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:45,802 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:45,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-03 00:53:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:47,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:47,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:47,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:47,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2023-12-03 00:53:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:47,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:47,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:47,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:47,325 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:47,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-03 00:53:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:48,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:48,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:48,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:48,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2023-12-03 00:53:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:48,900 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:48,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:48,901 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:48,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-03 00:53:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:50,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:50,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2023-12-03 00:53:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:50,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:50,409 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-03 00:53:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:51,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:51,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:51,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:51,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2023-12-03 00:53:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:51,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:51,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:51,852 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:51,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-03 00:53:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:53,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:53,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2023-12-03 00:53:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:53,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:53,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:53,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:53,412 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:53,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-03 00:53:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:54,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:54,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:54,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:54,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-03 00:53:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:54,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:54,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:54,945 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:54,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-03 00:53:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:56,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:56,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:56,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2023-12-03 00:53:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:56,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:56,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:56,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:56,503 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:56,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-03 00:53:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:57,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:58,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:58,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:58,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-03 00:53:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:58,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:58,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:58,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:58,056 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:58,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-03 00:53:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:59,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:53:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:59,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:53:59,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:53:59,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-03 00:53:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:53:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:53:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:53:59,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:59,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:53:59,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:53:59,668 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:53:59,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-03 00:54:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:00,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:01,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:01,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:01,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-03 00:54:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:01,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:01,170 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:01,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-03 00:54:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:02,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:02,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:02,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:02,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-03 00:54:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:02,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:02,758 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:02,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-03 00:54:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:04,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:04,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:04,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:04,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-03 00:54:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:04,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:04,284 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:04,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-03 00:54:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:05,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:05,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:05,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:05,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2023-12-03 00:54:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:05,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:05,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:05,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:05,852 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:05,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-03 00:54:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:07,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:07,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:07,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:07,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2023-12-03 00:54:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:07,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:07,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:07,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:07,433 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-03 00:54:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:08,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:08,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:08,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:08,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:09,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-03 00:54:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:09,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:09,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:09,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:09,013 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:09,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-03 00:54:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:10,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:10,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:10,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:10,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2023-12-03 00:54:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:10,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:10,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:10,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:10,602 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:10,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-03 00:54:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:11,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:12,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:12,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:12,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2023-12-03 00:54:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:12,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:12,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:12,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:12,190 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:12,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-03 00:54:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:13,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:13,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:13,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:13,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2023-12-03 00:54:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:13,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:13,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:13,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:13,774 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:13,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-03 00:54:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:15,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:15,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:15,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:15,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-03 00:54:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:15,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:15,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:15,384 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:15,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-03 00:54:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:16,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:16,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:16,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:16,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-03 00:54:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:16,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:16,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:16,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:16,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:16,931 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:16,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-03 00:54:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:18,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:18,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:18,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:18,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-03 00:54:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:18,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:18,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:18,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:18,464 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:18,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-03 00:54:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:19,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:20,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:20,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:20,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2023-12-03 00:54:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:20,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:20,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:20,060 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:20,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-03 00:54:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:21,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:21,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:21,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:21,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2023-12-03 00:54:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:21,682 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:21,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:21,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:21,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:21,683 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:21,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-03 00:54:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:23,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:23,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:23,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:23,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2023-12-03 00:54:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:23,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:23,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:23,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:23,234 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:23,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-03 00:54:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:24,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:24,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:24,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:24,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-03 00:54:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:24,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:24,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:24,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:24,788 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:24,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-03 00:54:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:26,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:26,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:26,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:26,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2023-12-03 00:54:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:26,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:26,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:26,281 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-03 00:54:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:27,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:27,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:27,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:27,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-03 00:54:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:27,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:27,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:27,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:27,853 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:27,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-03 00:54:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:29,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:29,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:29,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:29,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2023-12-03 00:54:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:29,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:29,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:29,457 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:29,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-03 00:54:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:30,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:31,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:31,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:31,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-03 00:54:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:31,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:31,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:31,032 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:31,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-03 00:54:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:32,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:32,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:32,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:32,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-03 00:54:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:32,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:32,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:32,673 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:32,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-03 00:54:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:34,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:34,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:34,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:34,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-03 00:54:34,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:34,290 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:34,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:34,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:34,291 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:34,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-03 00:54:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:35,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:35,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:35,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:35,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2023-12-03 00:54:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:35,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:35,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:35,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:35,877 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:35,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-03 00:54:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:37,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:37,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:37,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:37,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-03 00:54:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:37,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:37,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:37,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:37,623 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:37,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-03 00:54:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:39,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:39,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:39,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:39,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2023-12-03 00:54:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:39,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:39,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:39,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:39,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:39,236 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-03 00:54:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:40,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:40,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:40,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:40,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-03 00:54:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:40,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:40,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:40,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:40,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:40,791 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:40,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-03 00:54:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:42,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:42,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:42,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:42,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-03 00:54:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:42,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:42,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:42,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:42,442 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:42,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-03 00:54:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:43,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:43,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:43,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:44,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2023-12-03 00:54:44,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:44,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:44,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:44,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:44,020 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-03 00:54:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:45,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:45,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:45,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:45,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-03 00:54:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:45,647 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:45,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:45,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:45,648 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:45,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-03 00:54:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:47,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:47,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:47,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:47,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-03 00:54:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:47,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:47,240 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-03 00:54:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:48,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:48,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:48,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:48,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2023-12-03 00:54:48,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:48,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:48,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:48,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:48,978 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:48,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-03 00:54:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:50,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:50,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:50,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:50,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2023-12-03 00:54:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:50,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:50,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:50,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:50,638 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-03 00:54:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:52,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:52,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:52,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2023-12-03 00:54:52,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:52,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:52,218 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:52,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-03 00:54:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:53,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:53,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:53,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:53,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2023-12-03 00:54:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:53,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:53,806 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:53,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-03 00:54:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:55,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:55,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:55,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:55,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2023-12-03 00:54:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:55,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:55,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:55,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:55,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:55,458 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:55,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-03 00:54:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:56,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:57,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:57,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:57,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-03 00:54:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:57,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:57,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:57,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:57,056 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:57,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-03 00:54:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:58,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:54:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:58,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:54:58,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:58,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-03 00:54:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:54:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:54:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:54:58,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:58,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:54:58,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:54:58,648 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:54:58,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-03 00:54:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:59,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:00,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:00,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:00,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Forceful destruction successful, exit code 0 [2023-12-03 00:55:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:00,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:00,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:00,200 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-03 00:55:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:01,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:01,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:01,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:01,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2023-12-03 00:55:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:01,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:01,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:01,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:01,842 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:01,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-03 00:55:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:03,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:03,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:03,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:03,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2023-12-03 00:55:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:03,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:03,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:03,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:03,493 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:03,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-03 00:55:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:04,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:05,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:05,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:05,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2023-12-03 00:55:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:05,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:05,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:05,064 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:05,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-03 00:55:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:06,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:06,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:06,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:06,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-03 00:55:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:06,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:06,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:06,735 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:06,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-03 00:55:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:08,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:08,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:08,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:08,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-03 00:55:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:08,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:08,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:08,444 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:08,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-03 00:55:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:09,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:10,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:10,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:10,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-03 00:55:10,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:10,179 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:10,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:10,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:10,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:10,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:10,180 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:10,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-03 00:55:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:11,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:11,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:11,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:11,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-03 00:55:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:11,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:11,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:11,760 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:11,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-03 00:55:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:13,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:13,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:13,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:13,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2023-12-03 00:55:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:13,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:13,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:13,373 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:13,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-03 00:55:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:14,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:14,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:14,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:14,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-03 00:55:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:14,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:14,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:14,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:14,992 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:14,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-03 00:55:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:16,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:16,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:16,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:16,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-03 00:55:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:16,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:16,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:16,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:16,643 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:16,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-03 00:55:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:18,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:18,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:18,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:18,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-03 00:55:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:18,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:18,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:18,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:18,262 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:18,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-03 00:55:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:19,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:19,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:19,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:19,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-03 00:55:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:19,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:19,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:19,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:19,891 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:19,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-03 00:55:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:21,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:21,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:21,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:21,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2023-12-03 00:55:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:21,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:21,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:21,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:21,490 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:21,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-03 00:55:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:22,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:23,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:23,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:23,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2023-12-03 00:55:23,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:23,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:23,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:23,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:23,133 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:23,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2023-12-03 00:55:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:24,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:24,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:24,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:24,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2023-12-03 00:55:24,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:24,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:24,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:24,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:24,731 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:24,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2023-12-03 00:55:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:26,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:26,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:26,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:26,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2023-12-03 00:55:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:26,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:26,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:26,368 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:26,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2023-12-03 00:55:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:27,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:27,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:27,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2023-12-03 00:55:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:27,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:27,900 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2023-12-03 00:55:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:29,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:29,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:29,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:29,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2023-12-03 00:55:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:29,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:29,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:29,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:29,536 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:29,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2023-12-03 00:55:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:30,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:31,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:31,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:31,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2023-12-03 00:55:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:31,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:31,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:31,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:31,191 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:31,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2023-12-03 00:55:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:32,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:32,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:32,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:32,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2023-12-03 00:55:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:32,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:32,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:32,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:32,797 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:32,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2023-12-03 00:55:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:34,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:34,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:34,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:34,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2023-12-03 00:55:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:34,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:34,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:34,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:34,299 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:34,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2023-12-03 00:55:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:35,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:35,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:35,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:35,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2023-12-03 00:55:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:35,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:35,974 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:35,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:35,975 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:35,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2023-12-03 00:55:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:37,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:37,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:37,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:37,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2023-12-03 00:55:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:37,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:37,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:37,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:37,551 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2023-12-03 00:55:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:38,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:39,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:39,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:39,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2023-12-03 00:55:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:39,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:39,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:39,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:39,154 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2023-12-03 00:55:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:40,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:40,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:40,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:40,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2023-12-03 00:55:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:40,763 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:40,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:40,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:40,764 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:40,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2023-12-03 00:55:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:42,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:42,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:42,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:42,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2023-12-03 00:55:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:42,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:42,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:42,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:42,346 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:42,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2023-12-03 00:55:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:43,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:43,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:43,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:43,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2023-12-03 00:55:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:43,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:43,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:43,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:43,883 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:43,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2023-12-03 00:55:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:45,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:45,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:45,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:45,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2023-12-03 00:55:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:45,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:45,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:45,584 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:45,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2023-12-03 00:55:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:47,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:47,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:47,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:47,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2023-12-03 00:55:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:47,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:47,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:47,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:47,286 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2023-12-03 00:55:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:48,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:48,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:48,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:48,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2023-12-03 00:55:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:48,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:48,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:48,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:48,944 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:48,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2023-12-03 00:55:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:50,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:50,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:50,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:50,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2023-12-03 00:55:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:50,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:50,618 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:50,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:50,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:50,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:50,619 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:50,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2023-12-03 00:55:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:52,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:52,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:52,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:52,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2023-12-03 00:55:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:52,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:52,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:52,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:52,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:52,323 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:52,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2023-12-03 00:55:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:53,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:53,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:53,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:53,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2023-12-03 00:55:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:53,982 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:53,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:53,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:53,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:53,983 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:53,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2023-12-03 00:55:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:55,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:55,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:55,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:55,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2023-12-03 00:55:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:55,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:55,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:55,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:55,608 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:55,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2023-12-03 00:55:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:57,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:57,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:57,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:57,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2023-12-03 00:55:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:57,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:57,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:57,302 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:57,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2023-12-03 00:55:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:58,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:55:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:58,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:55:58,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:55:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:55:58,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2023-12-03 00:55:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:55:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:55:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:55:58,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:58,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:55:58,927 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:55:58,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2023-12-03 00:56:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:00,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:00,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:00,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:00,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2023-12-03 00:56:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:00,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:00,530 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:00,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2023-12-03 00:56:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:01,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:02,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:02,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:02,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2023-12-03 00:56:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:02,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:02,184 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:02,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2023-12-03 00:56:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:03,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:03,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:03,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:03,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2023-12-03 00:56:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:03,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:03,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:03,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:03,808 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:03,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2023-12-03 00:56:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:05,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:05,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:05,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:05,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (390)] Ended with exit code 0 [2023-12-03 00:56:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:05,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:05,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:05,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:05,473 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:05,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2023-12-03 00:56:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:06,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:07,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:07,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:07,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2023-12-03 00:56:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:07,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:07,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:07,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:07,075 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:07,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2023-12-03 00:56:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:08,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:08,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:08,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:08,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2023-12-03 00:56:08,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:08,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:08,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:08,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:08,781 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:08,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2023-12-03 00:56:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:10,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:10,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2023-12-03 00:56:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:10,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:10,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:10,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:10,370 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:10,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2023-12-03 00:56:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:11,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:12,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:12,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:12,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2023-12-03 00:56:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:12,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:12,046 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:12,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2023-12-03 00:56:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:13,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:13,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:13,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:13,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2023-12-03 00:56:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:13,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:13,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:13,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:13,607 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:13,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2023-12-03 00:56:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:15,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:15,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:15,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:15,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (396)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:15,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:15,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:15,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:15,265 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:15,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2023-12-03 00:56:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:16,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:16,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:16,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:16,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2023-12-03 00:56:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:16,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:16,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:16,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:16,963 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:16,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2023-12-03 00:56:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:18,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:18,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:18,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:18,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:18,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2023-12-03 00:56:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:18,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:18,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:18,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:18,584 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:18,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2023-12-03 00:56:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:20,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:20,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2023-12-03 00:56:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:20,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:20,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:20,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:20,229 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:20,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2023-12-03 00:56:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:21,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:21,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:21,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:21,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2023-12-03 00:56:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:21,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:21,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:21,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:21,827 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:21,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2023-12-03 00:56:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:23,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:23,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:23,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:23,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2023-12-03 00:56:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:23,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:23,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:23,517 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:23,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2023-12-03 00:56:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:24,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:25,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:25,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:25,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2023-12-03 00:56:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:25,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:25,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:25,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:25,176 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:25,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2023-12-03 00:56:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:26,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:26,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:26,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:26,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2023-12-03 00:56:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:26,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:26,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:26,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:26,879 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:26,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2023-12-03 00:56:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:28,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:28,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:28,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:28,562 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:28,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2023-12-03 00:56:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:28,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:28,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:28,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:28,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:28,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:28,579 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:28,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2023-12-03 00:56:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:30,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:30,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:30,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:30,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2023-12-03 00:56:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:30,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:30,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:30,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:30,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:30,238 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:30,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2023-12-03 00:56:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:31,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:31,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:31,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:31,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2023-12-03 00:56:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:31,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:31,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:31,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:31,966 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:31,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2023-12-03 00:56:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:33,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:33,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:33,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:33,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2023-12-03 00:56:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:33,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:33,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:33,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:33,673 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:33,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2023-12-03 00:56:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:35,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:35,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:35,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:35,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2023-12-03 00:56:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:35,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:35,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:35,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:35,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:35,450 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:35,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2023-12-03 00:56:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:36,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:37,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:37,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:37,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2023-12-03 00:56:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:37,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:37,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:37,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:37,170 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:37,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2023-12-03 00:56:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:38,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:38,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:38,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:38,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2023-12-03 00:56:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:38,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:38,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:38,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:38,904 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:38,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2023-12-03 00:56:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:40,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:40,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:40,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:40,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (411)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:40,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:40,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:40,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:40,631 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:40,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2023-12-03 00:56:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:42,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:42,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:42,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:42,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2023-12-03 00:56:42,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:42,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:42,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:42,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:42,396 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:42,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2023-12-03 00:56:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:43,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:44,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:44,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:44,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:44,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2023-12-03 00:56:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:44,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:44,048 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:44,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2023-12-03 00:56:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:45,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:45,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2023-12-03 00:56:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:45,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:45,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:45,691 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2023-12-03 00:56:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:47,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:47,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:47,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:47,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2023-12-03 00:56:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:47,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:47,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:47,389 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:47,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2023-12-03 00:56:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:48,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:48,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:48,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:49,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2023-12-03 00:56:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:49,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:49,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:49,019 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:49,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2023-12-03 00:56:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:50,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:50,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:50,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:50,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2023-12-03 00:56:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:50,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:50,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:50,744 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:50,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2023-12-03 00:56:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:52,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:52,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:52,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:52,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2023-12-03 00:56:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:52,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:52,485 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:52,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2023-12-03 00:56:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:53,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:54,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:54,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:54,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2023-12-03 00:56:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:54,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:54,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:54,202 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:54,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2023-12-03 00:56:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:55,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:55,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:55,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:55,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2023-12-03 00:56:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:55,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:55,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:55,909 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:55,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2023-12-03 00:56:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:57,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:57,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:57,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:57,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2023-12-03 00:56:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:57,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:57,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:57,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:57,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:57,618 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:57,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2023-12-03 00:56:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:59,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:59,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:59,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:59,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2023-12-03 00:56:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:56:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:56:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:56:59,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:59,205 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:59,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2023-12-03 00:57:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:00,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:00,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:00,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:00,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2023-12-03 00:57:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:00,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:00,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:00,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:00,830 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:00,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2023-12-03 00:57:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:02,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:02,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:02,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:02,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2023-12-03 00:57:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:02,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:02,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:02,454 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:02,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2023-12-03 00:57:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:03,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:04,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:04,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:04,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2023-12-03 00:57:04,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:04,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:04,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:04,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:04,149 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:04,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2023-12-03 00:57:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:05,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:05,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:05,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:05,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2023-12-03 00:57:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:05,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:05,818 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:05,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2023-12-03 00:57:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:07,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:07,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:07,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:07,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2023-12-03 00:57:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:07,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:07,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:07,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:07,520 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2023-12-03 00:57:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:09,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:09,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:09,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:09,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2023-12-03 00:57:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:09,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:09,232 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:09,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2023-12-03 00:57:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:10,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:10,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:10,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:10,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2023-12-03 00:57:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:10,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:10,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:10,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:10,980 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:10,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2023-12-03 00:57:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:12,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:12,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:12,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:12,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2023-12-03 00:57:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:12,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:12,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:12,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:12,728 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:12,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2023-12-03 00:57:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:14,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:14,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:14,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:14,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2023-12-03 00:57:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:14,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:14,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:14,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:14,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:14,548 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:14,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2023-12-03 00:57:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:16,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:16,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:16,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:16,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2023-12-03 00:57:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:16,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:16,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:16,241 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:16,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2023-12-03 00:57:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:17,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:17,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:17,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:17,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2023-12-03 00:57:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:17,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:17,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:17,925 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:17,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2023-12-03 00:57:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:19,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:19,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:19,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:19,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2023-12-03 00:57:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:19,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:19,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:19,668 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:19,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2023-12-03 00:57:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:21,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:21,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:21,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:21,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2023-12-03 00:57:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:21,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:21,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:21,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:21,480 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:21,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2023-12-03 00:57:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:22,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:23,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:23,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:23,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2023-12-03 00:57:23,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:23,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:23,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:23,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:23,175 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:23,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2023-12-03 00:57:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:24,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:24,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:24,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:24,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2023-12-03 00:57:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:24,938 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:24,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:24,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:24,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:24,939 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:24,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2023-12-03 00:57:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:26,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:26,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:26,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:26,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2023-12-03 00:57:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:26,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:26,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:26,662 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:26,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2023-12-03 00:57:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:28,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:28,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:28,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:28,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2023-12-03 00:57:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:28,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:28,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:28,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:28,400 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:28,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2023-12-03 00:57:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:29,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:29,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:29,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:30,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2023-12-03 00:57:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:30,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:30,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:30,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:30,016 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:30,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2023-12-03 00:57:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:31,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:31,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:31,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:31,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2023-12-03 00:57:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:31,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:31,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:31,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:31,795 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:31,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2023-12-03 00:57:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:33,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:33,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:33,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:33,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2023-12-03 00:57:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:33,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:33,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:33,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:33,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:33,528 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:33,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2023-12-03 00:57:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:35,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:35,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:35,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:35,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2023-12-03 00:57:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:35,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:35,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:35,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:35,256 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:35,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2023-12-03 00:57:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:36,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:36,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:36,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:36,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2023-12-03 00:57:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:36,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:36,994 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:36,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2023-12-03 00:57:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:38,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:38,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:38,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:38,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2023-12-03 00:57:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:38,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:38,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:38,719 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:38,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2023-12-03 00:57:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:40,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:40,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:40,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:40,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2023-12-03 00:57:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:40,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:40,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:40,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:40,371 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2023-12-03 00:57:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:41,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:42,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:42,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:42,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2023-12-03 00:57:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:42,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:42,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:42,175 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:42,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2023-12-03 00:57:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:43,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:43,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:43,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:43,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2023-12-03 00:57:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:43,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:43,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:43,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:43,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:43,898 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:43,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2023-12-03 00:57:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:45,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:45,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:45,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:45,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2023-12-03 00:57:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:45,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:45,527 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2023-12-03 00:57:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:47,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:47,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:47,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:47,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2023-12-03 00:57:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:47,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:47,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:47,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:47,290 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:47,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2023-12-03 00:57:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:48,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:49,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:49,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:49,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2023-12-03 00:57:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:49,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:49,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:49,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:49,069 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:49,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2023-12-03 00:57:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:50,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:50,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:50,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:50,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (452)] Ended with exit code 0 [2023-12-03 00:57:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:50,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:50,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:50,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:50,809 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:50,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2023-12-03 00:57:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:52,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:52,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:52,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:52,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2023-12-03 00:57:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:52,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:52,567 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:52,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2023-12-03 00:57:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:54,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:54,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:54,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:54,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2023-12-03 00:57:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:54,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:54,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:54,238 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:54,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2023-12-03 00:57:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:56,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:56,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:56,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:56,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2023-12-03 00:57:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:56,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:56,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:56,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:56,376 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:56,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2023-12-03 00:57:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:58,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:58,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:57:58,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:58,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2023-12-03 00:57:58,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:57:58,490 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:57:58,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:57:58,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:58,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:58,491 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:58,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2023-12-03 00:58:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:00,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:00,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:58:00,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:00,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2023-12-03 00:58:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:58:00,240 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:58:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:58:00,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:00,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:00,241 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:00,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2023-12-03 00:58:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:01,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:02,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:58:02,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:02,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2023-12-03 00:58:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:58:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:58:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:58:02,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:02,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:02,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:02,248 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:02,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2023-12-03 00:58:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:03,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:04,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:58:04,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:04,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2023-12-03 00:58:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:58:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:58:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:58:04,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:04,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:04,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:04,209 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:04,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2023-12-03 00:58:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:05,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:06,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:58:06,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:06,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (460)] Ended with exit code 0 [2023-12-03 00:58:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 00:58:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 00:58:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:58:06,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:06,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:06,225 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:06,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f29d5d1-1fe2-4204-8481-66b746e8d55e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process