./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.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_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/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_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/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_44ea0a2c-a41a-4537-8825-61320a420885/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:34,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:34,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:07:34,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:07:34,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:07:34,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:34,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:34,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:34,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:34,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:34,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:34,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:34,261 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:34,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:07:34,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:34,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:34,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:34,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:34,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:34,265 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:34,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:34,266 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:34,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:34,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:34,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:34,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:34,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:34,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:34,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:34,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:34,269 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:07:34,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:07:34,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:34,270 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_44ea0a2c-a41a-4537-8825-61320a420885/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 23:07:34,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:07:34,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:07:34,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:07:34,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:07:34,514 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:07:34,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i [2023-12-02 23:07:37,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:07:37,574 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:07:37,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i [2023-12-02 23:07:37,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/3d6453121/00bf6e62f12645f890b0ca2541aaeffe/FLAGb9e358d1c [2023-12-02 23:07:37,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/3d6453121/00bf6e62f12645f890b0ca2541aaeffe [2023-12-02 23:07:37,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:07:37,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:07:37,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:37,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:07:37,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:07:37,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57270bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37, skipping insertion in model container [2023-12-02 23:07:37,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:07:38,112 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_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i[33519,33532] [2023-12-02 23:07:38,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:38,242 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:07:38,275 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_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i[33519,33532] [2023-12-02 23:07:38,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:38,383 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:07:38,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38 WrapperNode [2023-12-02 23:07:38,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:38,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:38,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:07:38,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:07:38,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,538 INFO L138 Inliner]: procedures = 177, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-12-02 23:07:38,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:38,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:07:38,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:07:38,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:07:38,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:07:38,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:07:38,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:07:38,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:07:38,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:07:38,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:07:38,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:07:38,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:07:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:07:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:07:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:07:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:07:38,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:07:38,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:07:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:07:38,993 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:07:38,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:07:40,772 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:07:42,380 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:07:42,381 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 23:07:42,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:42 BoogieIcfgContainer [2023-12-02 23:07:42,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:07:42,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:07:42,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:07:42,394 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:07:42,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:42" (1/1) ... [2023-12-02 23:07:42,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:07:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-02 23:07:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-02 23:07:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:07:42,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:42,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-02 23:07:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-02 23:07:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:07:42,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:42,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:42,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:07:42,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-02 23:07:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-02 23:07:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:07:42,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:43,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:07:43,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-02 23:07:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-02 23:07:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:07:43,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:43,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:07:43,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-02 23:07:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-02 23:07:43,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:07:43,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:43,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:07:43,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:53,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:03,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:03,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 144 states and 207 transitions. [2023-12-02 23:08:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 207 transitions. [2023-12-02 23:08:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:08:03,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:08:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:08:04,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:08:14,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:24,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:34,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:44,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:08:54,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:04,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:24,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2023-12-02 23:09:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2023-12-02 23:09:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:09:24,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:09:25,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-02 23:09:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-02 23:09:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:09:25,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:09:25,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-02 23:09:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-02 23:09:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:09:25,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:09:25,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2023-12-02 23:09:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2023-12-02 23:09:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:09:25,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:26,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:09:26,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:36,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2023-12-02 23:09:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2023-12-02 23:09:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:09:36,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:36,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:36,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:09:36,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:09:46,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:09:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-02 23:09:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-02 23:09:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:09:46,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:09:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:47,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:09:47,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:57,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:07,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:17,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:27,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 183 states and 240 transitions. [2023-12-02 23:10:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2023-12-02 23:10:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:10:27,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:27,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:10:27,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:10:37,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:48,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:58,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:08,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-12-02 23:11:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-12-02 23:11:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:11:08,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:08,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:08,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:08,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 240 transitions. [2023-12-02 23:11:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2023-12-02 23:11:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 23:11:08,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:08,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:08,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-12-02 23:11:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-12-02 23:11:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:11:08,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:09,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:09,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:11:19,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:29,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:39,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:49,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 198 states and 254 transitions. [2023-12-02 23:11:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 254 transitions. [2023-12-02 23:11:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:11:49,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:49,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:49,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:11:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 207 states and 264 transitions. [2023-12-02 23:11:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-12-02 23:11:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:11:50,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:50,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:50,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:12:00,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:10,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:20,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:30,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 210 states and 266 transitions. [2023-12-02 23:12:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 266 transitions. [2023-12-02 23:12:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:12:30,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:30,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:12:41,338 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) [2023-12-02 23:12:41,342 INFO L158 Benchmark]: Toolchain (without parser) took 303729.74ms. Allocated memory was 136.3MB in the beginning and 320.9MB in the end (delta: 184.5MB). Free memory was 93.1MB in the beginning and 222.0MB in the end (delta: -128.9MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,342 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:12:41,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.66ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 55.3MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.29ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 55.3MB in the beginning and 143.9MB in the end (delta: -88.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,344 INFO L158 Benchmark]: Boogie Preprocessor took 142.90ms. Allocated memory is still 182.5MB. Free memory was 143.9MB in the beginning and 132.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,344 INFO L158 Benchmark]: RCFGBuilder took 3699.49ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 131.4MB in the beginning and 173.1MB in the end (delta: -41.7MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,345 INFO L158 Benchmark]: CodeCheck took 298957.47ms. Allocated memory was 241.2MB in the beginning and 320.9MB in the end (delta: 79.7MB). Free memory was 173.1MB in the beginning and 222.0MB in the end (delta: -48.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-12-02 23:12:41,348 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 0.28ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.66ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 55.3MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.29ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 55.3MB in the beginning and 143.9MB in the end (delta: -88.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.90ms. Allocated memory is still 182.5MB. Free memory was 143.9MB in the beginning and 132.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3699.49ms. Allocated memory was 182.5MB in the beginning and 241.2MB in the end (delta: 58.7MB). Free memory was 131.4MB in the beginning and 173.1MB in the end (delta: -41.7MB). Peak memory consumption was 138.7MB. Max. memory is 16.1GB. * CodeCheck took 298957.47ms. Allocated memory was 241.2MB in the beginning and 320.9MB in the end (delta: 79.7MB). Free memory was 173.1MB in the beginning and 222.0MB in the end (delta: -48.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:12:41,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/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_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/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_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/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_44ea0a2c-a41a-4537-8825-61320a420885/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:12:43,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:12:43,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:12:43,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:12:43,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:12:43,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:12:43,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:12:43,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:12:43,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:12:43,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:12:43,298 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:12:43,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:12:43,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:12:43,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:12:43,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:12:43,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:12:43,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:12:43,302 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:12:43,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:12:43,303 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:12:43,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:12:43,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:12:43,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:12:43,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:12:43,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:12:43,310 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:43,311 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:12:43,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:12:43,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:43,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:12:43,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:12:43,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:12:43,313 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:12:43,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:43,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:12:43,315 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:12:43,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:12:43,316 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_44ea0a2c-a41a-4537-8825-61320a420885/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 23:12:43,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:12:43,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:12:43,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:12:43,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:12:43,617 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:12:43,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i [2023-12-02 23:12:46,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:12:46,619 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:12:46,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i [2023-12-02 23:12:46,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/7547661a8/b8ce024d20564807a4779925564b65d0/FLAG699cf33b6 [2023-12-02 23:12:46,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/data/7547661a8/b8ce024d20564807a4779925564b65d0 [2023-12-02 23:12:46,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:12:46,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:12:46,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:46,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:12:46,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:12:46,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:46" (1/1) ... [2023-12-02 23:12:46,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6e0584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:46, skipping insertion in model container [2023-12-02 23:12:46,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:12:46" (1/1) ... [2023-12-02 23:12:46,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:12:47,121 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_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i[33519,33532] [2023-12-02 23:12:47,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:47,309 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:12:47,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:12:47,377 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_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i[33519,33532] [2023-12-02 23:12:47,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:47,444 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:12:47,465 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_44ea0a2c-a41a-4537-8825-61320a420885/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-3.i[33519,33532] [2023-12-02 23:12:47,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:12:47,546 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:12:47,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47 WrapperNode [2023-12-02 23:12:47,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:12:47,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:47,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:12:47,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:12:47,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,656 INFO L138 Inliner]: procedures = 180, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1419 [2023-12-02 23:12:47,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:12:47,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:12:47,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:12:47,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:12:47,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:12:47,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:12:47,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:12:47,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:12:47,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:12:47" (1/1) ... [2023-12-02 23:12:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:12:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:12:47,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:12:47,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:12:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:12:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:12:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:12:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:12:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:12:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:12:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:12:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:12:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:12:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:12:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:12:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:12:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:12:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:12:48,093 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:12:48,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:13:14,441 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:13:15,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:13:15,000 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 23:13:15,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:15 BoogieIcfgContainer [2023-12-02 23:13:15,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:13:15,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:13:15,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:13:15,010 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:13:15,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:13:15" (1/1) ... [2023-12-02 23:13:15,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:13:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-02 23:13:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-02 23:13:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:13:15,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:15,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:15,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:15,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:13:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:15,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:15,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:13:15,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:15,658 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:13:15,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:13:15,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-02 23:13:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-02 23:13:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:13:15,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:15,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:15,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:13:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:16,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:16,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:16,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:16,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:13:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-02 23:13:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-02 23:13:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:13:16,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:16,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:16,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:16,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:16,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:13:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:16,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:16,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:16,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:16,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:13:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:16,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-02 23:13:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-02 23:13:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:13:16,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:16,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:16,794 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:16,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:13:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:17,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:17,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:13:17,321 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:13:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-02 23:13:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-02 23:13:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 23:13:17,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:17,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:17,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:17,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:13:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:17,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:17,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:13:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2023-12-02 23:13:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-02 23:13:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:13:19,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:19,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:19,377 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:19,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:13:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:19,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:20,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:20,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:20,500 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:13:20,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 23:13:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-12-02 23:13:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-12-02 23:13:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:13:21,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:21,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:21,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:13:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:21,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:22,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:22,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:22,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:13:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 217 transitions. [2023-12-02 23:13:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2023-12-02 23:13:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:13:22,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:22,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:22,200 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:22,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:13:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:22,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:23,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:23,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:13:23,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:13:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:23,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 156 states and 215 transitions. [2023-12-02 23:13:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 215 transitions. [2023-12-02 23:13:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:13:23,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:23,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:23,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:23,240 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:23,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:13:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:23,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:24,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:24,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:13:24,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:13:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 159 states and 217 transitions. [2023-12-02 23:13:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 217 transitions. [2023-12-02 23:13:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:13:24,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:24,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:24,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:13:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:25,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:25,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:25,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:13:26,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:13:29,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2023-12-02 23:13:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-12-02 23:13:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 23:13:30,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:30,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:30,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:30,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:13:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:31,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:31,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:31,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:13:31,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:13:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 202 states and 266 transitions. [2023-12-02 23:13:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2023-12-02 23:13:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 23:13:31,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:31,470 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:13:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:32,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:32,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:32,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:13:32,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:13:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 202 states and 264 transitions. [2023-12-02 23:13:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-12-02 23:13:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:13:32,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:32,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:32,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:32,845 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:32,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:13:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:33,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:34,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:34,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:34,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:13:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 205 states and 266 transitions. [2023-12-02 23:13:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2023-12-02 23:13:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:13:34,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:34,633 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:34,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:13:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:35,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:36,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:36,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:36,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:13:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-02 23:13:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-02 23:13:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 23:13:36,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:36,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:36,660 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:36,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:13:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:37,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:38,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:38,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:13:38,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:13:48,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 208 states and 266 transitions. [2023-12-02 23:13:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 266 transitions. [2023-12-02 23:13:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 23:13:48,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:48,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:48,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:48,269 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:13:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:49,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:49,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:49,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:13:50,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:13:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:50,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:50,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:50,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:50,031 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:50,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:13:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:51,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:51,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:51,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:51,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:13:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:51,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:51,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:51,996 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:51,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:13:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:53,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:53,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:53,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:53,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:13:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:53,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:53,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:53,856 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:53,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:13:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:55,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:55,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:55,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:55,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:13:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:55,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:55,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:55,770 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:55,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:13:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:57,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:57,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:57,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:57,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:13:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:57,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:57,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:57,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:57,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:57,685 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:57,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:13:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:58,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:59,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:13:59,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:13:59,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:13:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:13:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:13:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:13:59,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:59,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:59,531 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:59,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:14:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:01,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:01,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:14:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:01,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:01,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:01,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:01,638 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:01,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:14:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:03,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:03,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:03,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:03,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:14:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:03,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:03,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:03,838 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:14:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:05,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:05,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:05,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:05,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:14:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:05,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:05,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:05,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:05,999 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:06,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:14:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:07,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:08,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:08,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-02 23:14:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:08,320 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:08,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:08,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:08,322 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:08,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:14:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:10,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:10,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:10,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:10,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:14:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:10,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:10,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:10,641 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:10,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:14:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:12,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:12,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:12,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:12,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:14:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:12,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:12,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:12,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:12,927 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:12,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:14:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:14,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:15,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:15,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:15,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:14:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:15,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:15,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:15,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:15,360 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:15,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:14:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:17,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:17,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:17,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:17,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:14:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:17,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:17,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:17,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:17,859 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:17,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:14:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:19,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:20,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:20,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:20,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:14:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:20,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:20,357 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:20,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:14:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:22,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:22,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:22,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:23,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:14:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:23,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:23,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:23,039 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:23,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:14:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:25,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:25,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:25,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:25,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:14:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:25,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:25,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:25,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:25,753 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:25,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:14:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:28,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:28,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:28,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:28,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:14:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:28,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:28,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:28,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:28,682 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:28,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:14:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:31,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:31,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:14:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:31,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:31,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:31,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:31,680 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:31,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:14:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:34,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:34,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:34,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:34,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:14:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:34,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:34,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:34,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:34,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:34,580 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:34,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:14:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:36,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:37,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:37,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:37,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:14:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:37,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:37,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:37,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:37,521 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:37,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:14:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:40,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:40,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:40,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:40,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:14:40,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:40,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:40,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:40,643 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:40,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:14:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:43,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:43,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:43,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:43,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:14:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:43,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:43,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:43,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:43,785 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:43,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:14:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:46,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:46,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:46,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:46,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:14:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:46,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:46,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:46,753 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:46,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:14:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:49,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:49,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:49,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:50,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:14:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:50,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:50,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:50,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:50,030 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:50,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:14:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:52,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:53,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:53,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:53,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:14:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:53,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:53,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:53,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:53,291 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:53,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:14:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:56,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:56,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:56,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:56,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:14:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:56,643 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:56,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:56,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:56,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:56,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:56,645 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:56,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:14:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:59,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:59,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:14:59,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:59,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:14:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:14:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:14:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:14:59,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:59,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:59,908 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:59,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:15:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:02,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:03,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:03,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:03,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:15:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:03,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:03,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:03,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:03,241 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:03,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:15:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:06,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:06,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:06,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:06,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:06,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:06,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:06,815 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:06,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:15:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:09,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:10,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:10,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:10,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:15:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:10,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:10,382 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:10,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:15:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:13,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:14,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:14,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:14,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:15:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:14,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:14,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:14,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:14,075 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:14,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:15:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:17,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:17,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:17,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:17,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:15:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:17,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:17,804 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:17,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:15:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:20,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:21,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:21,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:21,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:15:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:21,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:21,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:21,316 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:21,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:15:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:24,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:25,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:25,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:25,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:15:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:25,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:25,259 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:25,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:15:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:28,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:28,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:28,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:28,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:15:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:28,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:28,986 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:28,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:15:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:32,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:32,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:32,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:32,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:15:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:32,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:32,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:32,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:32,817 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:32,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:15:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:36,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:36,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:36,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:36,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:15:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:36,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:36,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:36,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:36,889 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:36,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:15:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:40,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:40,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:40,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:41,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:15:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:41,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:41,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:41,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:41,027 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:41,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:15:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:44,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:45,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:45,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:15:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:45,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:45,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:45,180 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:45,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:15:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:48,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:49,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:49,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:49,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:15:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:49,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:49,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:49,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:49,477 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:15:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:53,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:53,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:53,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:53,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:15:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:53,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:53,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:53,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:53,781 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:53,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:15:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:57,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:58,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:58,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:15:58,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:15:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:15:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:15:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:15:58,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:58,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:58,087 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:58,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:16:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:01,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:02,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:02,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:16:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:02,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:02,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:02,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:02,350 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:02,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:16:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:06,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:06,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:06,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:06,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:16:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:06,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:06,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:06,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:06,774 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:06,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:16:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:10,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:11,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:11,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:16:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:11,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:11,190 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:11,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:16:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:15,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:15,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:16:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:15,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:15,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:15,786 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:15,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:16:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:19,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:20,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:20,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:16:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:20,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:20,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:20,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:20,442 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:20,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:16:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:24,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:25,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:25,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:16:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:25,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:25,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:25,359 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:25,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:16:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:29,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:30,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:30,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:30,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:16:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:30,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:30,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:30,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:30,224 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:30,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:16:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:34,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:34,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:34,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:34,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:16:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:34,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:34,897 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:34,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:16:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:39,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:39,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:16:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:39,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:39,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:39,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:39,715 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:39,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:16:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:44,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:44,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:44,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:44,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:16:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:44,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:44,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:44,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:44,669 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:44,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:16:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:49,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:49,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:49,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:16:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:49,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:49,437 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:49,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:16:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:54,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:54,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:54,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:54,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:16:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:54,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:54,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:54,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:54,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:54,607 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:54,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:16:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:59,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:59,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:59,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:59,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:16:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:16:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:16:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:16:59,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:59,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:59,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:59,869 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:59,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:17:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:04,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:05,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:05,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:05,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:17:05,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:05,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:05,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:05,080 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:05,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:17:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:09,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:10,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:10,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:17:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:10,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:10,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:10,086 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:10,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:17:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:14,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:15,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:15,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:17:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:15,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:15,084 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:15,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:17:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:19,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:20,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:20,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:20,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-02 23:17:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:20,425 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:20,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:20,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:20,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:20,426 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:20,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:17:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:25,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:25,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:25,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:26,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:17:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:26,037 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:26,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:26,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:26,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:26,038 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:17:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:30,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:31,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:31,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:31,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:17:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:31,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:31,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:31,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:31,359 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:31,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:17:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:36,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:36,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:36,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:36,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:17:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:36,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:36,708 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:36,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:17:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:41,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:42,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:42,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:42,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:17:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:42,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:42,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:42,345 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:42,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:17:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:47,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:47,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:17:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:47,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:47,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:47,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:47,906 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:47,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:17:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:53,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:53,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:17:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:53,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:53,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:53,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:53,960 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:53,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:17:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:59,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:17:59,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:17:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:17:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:17:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:17:59,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:59,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:59,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:59,729 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:59,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:18:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:05,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:05,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:05,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:05,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:18:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:05,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:05,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:05,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:05,578 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:05,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:18:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:10,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:11,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:11,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:11,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:18:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:11,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:11,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:11,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:11,520 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:11,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:18:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:16,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:17,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:17,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:17,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:18:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:17,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:17,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:17,368 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:17,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:18:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:22,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:23,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:23,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:23,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 23:18:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:23,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:23,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:23,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:23,394 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:23,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:18:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:28,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:29,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:29,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:29,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 23:18:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:29,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:29,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:29,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:29,499 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:29,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:18:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:34,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:35,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:35,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:35,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:18:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:35,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:35,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:35,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:35,413 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:35,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:18:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:41,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:41,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:41,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:41,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:18:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:41,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:41,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:41,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:41,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:41,612 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:41,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:18:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:47,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:47,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:47,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:47,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:18:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:47,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:47,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:47,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:47,908 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:47,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:18:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:53,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:54,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:54,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:18:54,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:18:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:18:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:18:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:18:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:54,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:54,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:54,534 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:19:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:00,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:00,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:00,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:00,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:19:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:00,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:00,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:00,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:00,881 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:00,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:19:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:06,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:07,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:07,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:07,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:19:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:07,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:07,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:07,309 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:07,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:19:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:13,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:13,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:13,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:13,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:19:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:13,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:13,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:13,944 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:13,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:19:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:19,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:20,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:20,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:20,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:19:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:20,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:20,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:20,389 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:20,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:19:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:26,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:26,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:26,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:26,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:19:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:27,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:27,001 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:27,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:19:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:33,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:33,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:33,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:33,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:19:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:33,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:33,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:33,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:33,627 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:33,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:19:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:39,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:40,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:40,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:40,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:19:40,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:40,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:40,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:40,153 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:40,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:19:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:46,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:47,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:47,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:47,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:19:47,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:47,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:47,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:47,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:47,151 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:19:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:53,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:54,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:54,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:19:54,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:19:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:19:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:19:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:19:54,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:54,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:54,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:54,114 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:54,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:20:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:00,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:01,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:20:01,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:01,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:01,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:01,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:01,070 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:01,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:20:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:07,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:07,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:07,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:07,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:20:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:07,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:07,801 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:07,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:20:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:14,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:14,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:15,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:15,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:20:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:15,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:15,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:15,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:15,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:15,086 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:15,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:20:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:21,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:22,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:22,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:22,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:20:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:22,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:22,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:22,370 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:22,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:20:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:28,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:29,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:29,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:29,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:20:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:29,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:29,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:29,492 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:29,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:20:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:36,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:36,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:36,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:36,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:20:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:36,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:36,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:36,761 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:36,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:20:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:43,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:43,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:43,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:43,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 23:20:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:43,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:43,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:43,876 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:20:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:50,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:51,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:51,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:51,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:20:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:51,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:51,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:51,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:51,490 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:51,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:20:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:58,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:59,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:59,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:20:59,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:20:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:20:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:20:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:20:59,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:59,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:59,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:59,278 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:59,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:21:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:06,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:06,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:06,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:21:06,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:21:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:21:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:21:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:21:06,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:06,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:06,628 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:06,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:21:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:13,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:14,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:14,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:21:14,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:21:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-02 23:21:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-02 23:21:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 23:21:14,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:14,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:14,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:14,446 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:14,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44ea0a2c-a41a-4537-8825-61320a420885/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process