./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:44:50,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:44:50,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:44:50,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:44:50,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:44:50,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:44:50,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:44:50,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:44:50,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:44:50,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:44:50,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:44:50,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:44:50,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:44:50,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:44:50,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:44:50,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:44:50,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:44:50,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:44:50,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:44:50,232 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:44:50,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:44:50,235 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:44:50,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:44:50,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:44:50,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:44:50,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:44:50,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:44:50,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:44:50,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:50,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:44:50,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:44:50,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:44:50,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:44:50,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:44:50,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:44:50,241 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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 00:44:50,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:44:50,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:44:50,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:44:50,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:44:50,494 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:44:50,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-12-03 00:44:53,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:44:53,543 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:44:53,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-12-03 00:44:53,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/02e33c926/b23b0541f1ac4691aa6e460dbdd18739/FLAG3e4a1495c [2023-12-03 00:44:53,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/02e33c926/b23b0541f1ac4691aa6e460dbdd18739 [2023-12-03 00:44:53,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:44:53,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:44:53,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:53,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:44:53,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:44:53,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:53" (1/1) ... [2023-12-03 00:44:53,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23940688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:53, skipping insertion in model container [2023-12-03 00:44:53,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:44:53" (1/1) ... [2023-12-03 00:44:53,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:44:54,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:54,110 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:44:54,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:44:54,239 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:44:54,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54 WrapperNode [2023-12-03 00:44:54,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:44:54,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:54,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:44:54,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:44:54,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,342 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-12-03 00:44:54,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:44:54,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:44:54,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:44:54,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:44:54,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:44:54,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:44:54,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:44:54,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:44:54,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:44:54" (1/1) ... [2023-12-03 00:44:54,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:44:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:44:54,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:44:54,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:44:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:44:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:44:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:44:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:44:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:44:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:44:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:44:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:44:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:44:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:44:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:44:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:44:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:44:54,769 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:44:54,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:44:56,728 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:44:58,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:44:58,123 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 00:44:58,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:58 BoogieIcfgContainer [2023-12-03 00:44:58,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:44:58,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:44:58,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:44:58,135 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:44:58,135 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:44:58" (1/1) ... [2023-12-03 00:44:58,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:44:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 00:44:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 00:44:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:44:58,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2023-12-03 00:44:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2023-12-03 00:44:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:44:58,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 00:44:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 00:44:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:44:58,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 00:44:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 00:44:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:44:58,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 00:44:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 00:44:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:44:58,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:58,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:58,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:44:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 00:44:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 00:44:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:44:58,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:58,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:44:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:59,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:44:59,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:09,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:19,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 00:45:19,376 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 00:45:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:45:19,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:19,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:45:19,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:45:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:45:30,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:40,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:45:50,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:00,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:10,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:20,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:30,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:40,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:46:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 172 states and 227 transitions. [2023-12-03 00:46:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2023-12-03 00:46:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:46:40,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:41,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:41,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2023-12-03 00:46:41,203 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2023-12-03 00:46:41,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:46:41,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:41,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:46:41,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2023-12-03 00:46:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2023-12-03 00:46:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:46:41,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:41,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:41,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:46:41,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:46:52,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:02,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:12,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:22,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:32,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:42,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:47:52,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 225 states and 288 transitions. [2023-12-03 00:48:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2023-12-03 00:48:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:48:02,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:03,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:48:03,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:03,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 225 states and 286 transitions. [2023-12-03 00:48:03,196 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2023-12-03 00:48:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:48:03,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:03,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:48:03,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 225 states and 284 transitions. [2023-12-03 00:48:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 284 transitions. [2023-12-03 00:48:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:48:03,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:03,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:48:03,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:13,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2023-12-03 00:48:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-12-03 00:48:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:48:13,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:48:14,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:14,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:24,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 225 states and 280 transitions. [2023-12-03 00:48:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 280 transitions. [2023-12-03 00:48:24,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:48:24,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:24,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:24,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:48:24,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:48:34,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:44,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:48:54,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:04,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 228 states and 282 transitions. [2023-12-03 00:49:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 282 transitions. [2023-12-03 00:49:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:49:05,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:05,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:49:05,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:49:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:49:15,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:25,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:35,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:45,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:49:55,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:05,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:15,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:26,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 267 states and 330 transitions. [2023-12-03 00:50:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 330 transitions. [2023-12-03 00:50:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:50:26,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:26,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:26,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:50:26,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:50:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:50:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 267 states and 328 transitions. [2023-12-03 00:50:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 328 transitions. [2023-12-03 00:50:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:50:26,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:50:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:50:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:50:26,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:50:26,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:50:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:50:36,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:46,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:50:56,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:06,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 270 states and 330 transitions. [2023-12-03 00:51:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 330 transitions. [2023-12-03 00:51:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:51:06,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:07,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:07,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:17,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:27,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:37,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:47,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:51:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 273 states and 332 transitions. [2023-12-03 00:51:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2023-12-03 00:51:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:51:47,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:47,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:47,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:51:47,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:51:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:51:57,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:07,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:18,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:28,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 276 states and 334 transitions. [2023-12-03 00:52:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 334 transitions. [2023-12-03 00:52:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 00:52:28,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:28,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:28,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:52:28,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:52:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:52:38,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:48,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:52:58,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:08,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 279 states and 336 transitions. [2023-12-03 00:53:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2023-12-03 00:53:09,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 00:53:09,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:09,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:09,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:53:19,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:29,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:39,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:49,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:53:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 282 states and 338 transitions. [2023-12-03 00:53:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 338 transitions. [2023-12-03 00:53:49,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:53:49,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:49,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:53:50,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:53:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 282 states and 337 transitions. [2023-12-03 00:53:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 337 transitions. [2023-12-03 00:53:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:53:50,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:50,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:50,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:50,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:50,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:53:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 291 states and 347 transitions. [2023-12-03 00:53:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 347 transitions. [2023-12-03 00:53:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 00:53:50,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:50,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:51,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:51,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:53:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 300 states and 358 transitions. [2023-12-03 00:53:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 358 transitions. [2023-12-03 00:53:51,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:53:51,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:51,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:51,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:53:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 309 states and 368 transitions. [2023-12-03 00:53:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 368 transitions. [2023-12-03 00:53:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:52,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:52,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:52,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:52,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:53:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 318 states and 378 transitions. [2023-12-03 00:53:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 378 transitions. [2023-12-03 00:53:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:53:52,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:52,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:53,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:53,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:53:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 327 states and 389 transitions. [2023-12-03 00:53:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 389 transitions. [2023-12-03 00:53:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:53:53,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:53,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:53,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:53:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 336 states and 399 transitions. [2023-12-03 00:53:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 399 transitions. [2023-12-03 00:53:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:53:53,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:53,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:54,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:53:54,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:53:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 337 states and 401 transitions. [2023-12-03 00:53:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 401 transitions. [2023-12-03 00:53:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:53:55,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:55,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:53:55,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:53:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:54:05,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:54:15,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:54:25,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:54:35,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:54:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 351 states and 418 transitions. [2023-12-03 00:54:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2023-12-03 00:54:35,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:54:35,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:35,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:36,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:36,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:54:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 360 states and 428 transitions. [2023-12-03 00:54:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-12-03 00:54:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 00:54:36,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:36,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:36,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:54:36,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:54:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:54:46,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:54:56,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:06,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:16,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:55:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 363 states and 430 transitions. [2023-12-03 00:55:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 430 transitions. [2023-12-03 00:55:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 00:55:16,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:16,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:55:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:55:27,406 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:55:27,410 INFO L158 Benchmark]: Toolchain (without parser) took 633827.93ms. Allocated memory was 155.2MB in the beginning and 302.0MB in the end (delta: 146.8MB). Free memory was 116.8MB in the beginning and 187.5MB in the end (delta: -70.8MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,410 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 98.2MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:55:27,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.65ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 82.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.15ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 73.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,412 INFO L158 Benchmark]: Boogie Preprocessor took 131.70ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 73.2MB in the beginning and 171.6MB in the end (delta: -98.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,413 INFO L158 Benchmark]: RCFGBuilder took 3649.03ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 171.5MB in the beginning and 144.1MB in the end (delta: 27.4MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,413 INFO L158 Benchmark]: CodeCheck took 629283.88ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 143.1MB in the beginning and 187.5MB in the end (delta: -44.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-12-03 00:55:27,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 98.2MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.65ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 82.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.15ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 73.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.70ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 73.2MB in the beginning and 171.6MB in the end (delta: -98.4MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3649.03ms. Allocated memory was 209.7MB in the beginning and 251.7MB in the end (delta: 41.9MB). Free memory was 171.5MB in the beginning and 144.1MB in the end (delta: 27.4MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * CodeCheck took 629283.88ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 143.1MB in the beginning and 187.5MB in the end (delta: -44.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:55:27,628 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:55:27,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:55:29,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:55:29,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:55:29,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:55:29,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:55:29,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:55:29,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:55:29,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:55:29,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:55:29,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:55:29,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:55:29,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:55:29,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:55:29,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:55:29,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:55:29,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:55:29,811 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:55:29,811 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:55:29,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:55:29,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:55:29,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:55:29,814 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:55:29,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:55:29,815 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:55:29,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:55:29,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:55:29,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:55:29,817 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:29,818 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:55:29,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:55:29,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:55:29,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:55:29,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:55:29,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:55:29,820 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:55:29,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:55:29,820 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:55:29,821 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:55:29,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:55:29,821 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_37ebad65-ddac-46ac-b554-a62c9a39ffc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 00:55:30,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:55:30,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:55:30,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:55:30,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:55:30,198 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:55:30,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-12-03 00:55:33,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:55:33,724 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:55:33,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-1.i [2023-12-03 00:55:33,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/a33e5f515/8c1c105651404af892c1739ff485397d/FLAGc75d42156 [2023-12-03 00:55:33,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/data/a33e5f515/8c1c105651404af892c1739ff485397d [2023-12-03 00:55:33,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:55:33,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:55:33,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:55:33,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:55:33,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:55:33,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:55:33" (1/1) ... [2023-12-03 00:55:33,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4ecbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:33, skipping insertion in model container [2023-12-03 00:55:33,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:55:33" (1/1) ... [2023-12-03 00:55:33,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:55:34,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:55:34,471 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:55:34,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:55:34,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:55:34,645 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:55:34,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:55:34,789 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:55:34,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34 WrapperNode [2023-12-03 00:55:34,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:55:34,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:55:34,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:55:34,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:55:34,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:34,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:34,911 INFO L138 Inliner]: procedures = 180, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1127 [2023-12-03 00:55:34,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:55:34,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:55:34,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:55:34,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:55:34,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:34,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:34,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:34,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:55:35,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:55:35,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:55:35,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:55:35,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:55:34" (1/1) ... [2023-12-03 00:55:35,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:55:35,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:55:35,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:55:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:55:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:55:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:55:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:55:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:55:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:55:35,397 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:55:35,399 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:56:05,847 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:56:06,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:56:06,318 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 00:56:06,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:56:06 BoogieIcfgContainer [2023-12-03 00:56:06,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:56:06,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:56:06,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:56:06,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:56:06,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:56:06" (1/1) ... [2023-12-03 00:56:06,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:56:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 00:56:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 00:56:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:56:06,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:06,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:06,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:06,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:06,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:56:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:06,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:06,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:06,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:07,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:09,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 00:56:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 00:56:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:56:09,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:09,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:09,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:09,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:09,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:56:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:09,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:09,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:56:09,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:09,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-12-03 00:56:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-12-03 00:56:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:56:10,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:10,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:10,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:10,104 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:10,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:56:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:10,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:10,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 00:56:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 00:56:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:56:10,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:10,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:10,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:56:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:10,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:10,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:10,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:56:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 00:56:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 00:56:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:56:10,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:10,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:10,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:56:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:11,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:11,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:11,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:11,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:56:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 00:56:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 00:56:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:56:11,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:11,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:11,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:11,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:11,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:56:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:12,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:12,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:12,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:12,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:56:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 00:56:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 00:56:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:56:13,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:13,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:13,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:13,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:13,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:56:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:14,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:14,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:14,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:14,973 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:56:14,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:56:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-12-03 00:56:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-12-03 00:56:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:56:15,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:15,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:15,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:15,410 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:15,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:56:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:15,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:16,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:16,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:16,241 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:56:16,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 178 transitions. [2023-12-03 00:56:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2023-12-03 00:56:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:56:16,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:16,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:16,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:16,257 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:16,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:56:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:16,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:17,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:17,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:17,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-12-03 00:56:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-12-03 00:56:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:56:17,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:17,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:17,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:17,241 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:17,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:56:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:17,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:18,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:18,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:18,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:56:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 134 states and 174 transitions. [2023-12-03 00:56:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2023-12-03 00:56:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:56:18,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:18,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:18,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:18,309 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:18,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:56:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:18,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:19,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:19,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:56:19,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:56:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2023-12-03 00:56:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2023-12-03 00:56:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:56:19,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:19,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:19,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:19,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:19,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:20,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:20,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:56:21,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:56:23,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:25,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:26,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 233 transitions. [2023-12-03 00:56:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 233 transitions. [2023-12-03 00:56:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:56:26,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:26,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:26,999 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:56:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:27,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:28,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:28,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:56:28,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:56:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 183 states and 231 transitions. [2023-12-03 00:56:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 231 transitions. [2023-12-03 00:56:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:56:28,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:28,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:28,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:28,441 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:28,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:56:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:29,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:29,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:29,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:56:30,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:56:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 183 states and 229 transitions. [2023-12-03 00:56:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 229 transitions. [2023-12-03 00:56:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:56:30,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:30,027 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:30,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:56:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:31,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:31,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:31,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:56:31,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:56:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 183 states and 227 transitions. [2023-12-03 00:56:31,815 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2023-12-03 00:56:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:56:31,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:31,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:31,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:31,817 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:31,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:56:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:33,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:33,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:33,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:34,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:34,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:56:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 186 states and 229 transitions. [2023-12-03 00:56:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2023-12-03 00:56:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:56:34,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:34,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:34,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:34,281 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:34,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:56:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:35,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:35,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:35,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:56:36,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 00:56:44,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:56:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 186 states and 227 transitions. [2023-12-03 00:56:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2023-12-03 00:56:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:56:44,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:44,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:44,567 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:44,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:56:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:45,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:46,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:46,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:56:46,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:56:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 189 states and 229 transitions. [2023-12-03 00:56:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 229 transitions. [2023-12-03 00:56:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:56:46,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:46,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:46,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:46,966 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:46,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:56:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:48,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:49,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:56:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:56:49,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:56:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 189 states and 228 transitions. [2023-12-03 00:56:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 228 transitions. [2023-12-03 00:56:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:56:49,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:49,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:56:49,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:56:49,078 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:56:49,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:56:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:50,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:56:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:51,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:56:51,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:56:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:56:51,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:57:00,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:10,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:20,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:30,271 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 [] [2023-12-03 00:57:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 198 states and 239 transitions. [2023-12-03 00:57:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2023-12-03 00:57:30,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:57:30,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:30,327 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:30,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:57:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:31,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:32,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:32,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 00:57:32,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:57:36,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:37,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:41,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:44,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:57:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:44,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:44,485 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:44,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:57:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:46,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:46,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:46,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:47,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:57:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:47,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:47,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:47,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:47,293 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:47,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:57:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:49,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:49,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:49,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:49,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:57:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:49,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:49,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:49,913 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:49,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:57:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:51,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:52,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:52,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:52,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:57:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:52,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:52,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:52,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:52,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:52,717 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:52,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:57:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:54,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:54,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:54,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:54,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:57:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:54,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:54,973 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:54,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:57:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:56,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:57,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:57,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:57,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:57:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:57,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:57,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:57,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:57,304 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:57,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:57:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:58,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:57:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:59,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:57:59,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:57:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:57:59,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:57:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:57:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:57:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:57:59,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:59,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:59,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:59,531 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:59,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:58:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:01,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:01,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:01,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:01,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:58:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:01,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:01,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:01,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:01,957 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:01,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:58:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:03,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:04,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:04,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:04,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:58:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:04,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:04,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:04,411 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:04,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:58:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:06,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:07,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:07,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:07,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:58:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:07,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:07,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:07,110 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:07,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:58:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:09,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:09,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:09,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:09,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:58:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:09,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:09,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:09,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:09,770 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:09,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:58:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:11,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:12,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:12,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:12,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:58:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:12,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:12,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:12,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:12,474 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:58:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:14,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:15,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:15,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:15,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:58:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:15,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:15,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:15,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:15,277 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:15,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:58:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:17,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:18,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:18,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:18,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:58:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:18,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:18,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:18,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:18,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:18,126 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:18,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:58:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:20,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:21,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:21,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:21,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 00:58:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:21,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:21,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:21,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:21,088 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:21,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:58:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:23,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:23,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:23,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:23,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:58:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:23,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:23,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:23,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:23,901 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:23,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:58:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:26,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:27,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:27,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:27,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:58:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:27,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:27,091 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:27,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:58:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:29,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:30,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:30,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:30,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 00:58:30,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:30,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:30,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:30,100 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:30,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:58:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:32,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:32,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:32,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:33,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:58:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:33,023 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:33,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:33,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:33,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:33,025 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:58:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:35,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:36,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:36,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:58:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:36,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:36,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:36,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:36,283 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:36,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:58:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:38,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:39,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:39,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:39,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:58:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:39,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:39,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:39,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:39,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:39,548 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:58:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:42,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:42,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:42,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:42,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:58:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:42,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:42,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:42,876 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:42,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:58:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:45,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:45,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:45,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:46,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:58:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:46,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:46,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:46,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:46,047 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:46,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:58:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:48,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:49,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:49,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:49,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:58:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:49,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:49,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:49,590 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:49,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:58:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:52,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:52,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:52,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:58:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:53,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:53,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:53,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:53,017 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:53,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:58:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:55,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:56,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:56,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:56,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:58:56,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:56,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:56,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:56,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:56,465 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:56,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:58:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:59,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:58:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:59,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:58:59,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:58:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:58:59,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:58:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:58:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:58:59,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:58:59,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:58:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:58:59,812 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:58:59,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:59:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:02,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:03,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:03,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:59:03,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:59:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:03,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:59:03,409 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:59:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:59:03,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:03,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:03,411 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:03,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:59:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:06,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:07,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:07,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:59:07,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:59:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:59:07,266 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:59:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:59:07,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:07,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:07,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:07,268 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:07,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:59:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:10,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:10,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:10,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:59:10,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:59:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:59:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:59:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:59:10,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:10,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:10,640 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:10,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:59:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:13,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:14,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:14,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:59:14,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 00:59:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:59:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:59:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:59:14,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:14,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:14,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:14,378 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:14,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:59:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:17,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:59:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:18,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:59:18,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:59:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:59:18,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:59:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 00:59:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 00:59:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:59:18,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:18,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:18,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:59:18,091 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:59:18,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ebad65-ddac-46ac-b554-a62c9a39ffc7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process