./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:16:18,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:16:18,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:16:18,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:16:18,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:16:18,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:16:18,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:16:18,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:16:18,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:16:18,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:16:18,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:16:18,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:16:18,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:16:18,332 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:16:18,335 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:16:18,336 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:16:18,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:16:18,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:16:18,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:16:18,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:16:18,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:16:18,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:16:18,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:16:18,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:16:18,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:16:18,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:18,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:16:18,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:16:18,346 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:16:18,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:16:18,346 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_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2024-11-08 23:16:18,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:16:18,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:16:18,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:16:18,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:16:18,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:16:18,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-manipulation/tree-2.i Unable to find full path for "g++" [2024-11-08 23:16:21,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:21,379 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:21,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/sv-benchmarks/c/heap-manipulation/tree-2.i [2024-11-08 23:16:21,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/2ec3620db/28a0fe1bb3ba451b875e0d95169278a1/FLAGd1b0b8e58 [2024-11-08 23:16:21,647 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/2ec3620db/28a0fe1bb3ba451b875e0d95169278a1 [2024-11-08 23:16:21,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:21,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:21,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:21,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:21,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:21,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:21" (1/1) ... [2024-11-08 23:16:21,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28aa3df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:21, skipping insertion in model container [2024-11-08 23:16:21,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:21" (1/1) ... [2024-11-08 23:16:21,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:22,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:22,211 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:22,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:22,343 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:22,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22 WrapperNode [2024-11-08 23:16:22,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:22,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:22,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:22,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:22,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,415 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 160 [2024-11-08 23:16:22,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:22,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:22,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:22,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:22,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:22,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:22,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:22,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:22,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:22" (1/1) ... [2024-11-08 23:16:22,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:22,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:22,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:22,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:16:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:16:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:16:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:16:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:16:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:16:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:16:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:22,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:22,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:16:23,655 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-08 23:16:23,655 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:16:23,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:16:23,785 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 23:16:23,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:23 BoogieIcfgContainer [2024-11-08 23:16:23,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:16:23,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:16:23,790 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:16:23,805 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:16:23,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:23" (1/1) ... [2024-11-08 23:16:23,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:16:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 137 states and 163 transitions. [2024-11-08 23:16:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2024-11-08 23:16:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:16:23,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2024-11-08 23:16:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2024-11-08 23:16:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:16:24,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:24,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 160 transitions. [2024-11-08 23:16:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2024-11-08 23:16:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:16:24,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:24,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2024-11-08 23:16:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2024-11-08 23:16:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:16:24,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:24,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2024-11-08 23:16:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2024-11-08 23:16:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:16:25,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2024-11-08 23:16:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-08 23:16:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:16:25,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:25,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 142 states and 174 transitions. [2024-11-08 23:16:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2024-11-08 23:16:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:16:25,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:25,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2024-11-08 23:16:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2024-11-08 23:16:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:16:26,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:26,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2024-11-08 23:16:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2024-11-08 23:16:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:16:26,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2024-11-08 23:16:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2024-11-08 23:16:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:16:26,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 151 states and 183 transitions. [2024-11-08 23:16:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 183 transitions. [2024-11-08 23:16:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:16:27,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 154 states and 191 transitions. [2024-11-08 23:16:27,869 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2024-11-08 23:16:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:16:27,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 161 states and 208 transitions. [2024-11-08 23:16:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-11-08 23:16:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:16:28,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:28,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 163 states and 210 transitions. [2024-11-08 23:16:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2024-11-08 23:16:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:16:29,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 162 states and 209 transitions. [2024-11-08 23:16:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 209 transitions. [2024-11-08 23:16:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:16:29,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-11-08 23:16:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-11-08 23:16:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:16:29,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 167 states and 217 transitions. [2024-11-08 23:16:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2024-11-08 23:16:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:16:31,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:31,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 171 states and 227 transitions. [2024-11-08 23:16:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 227 transitions. [2024-11-08 23:16:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:16:32,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:32,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 173 states and 232 transitions. [2024-11-08 23:16:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 232 transitions. [2024-11-08 23:16:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:16:34,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:34,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 175 states and 235 transitions. [2024-11-08 23:16:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 235 transitions. [2024-11-08 23:16:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:16:36,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 175 states and 232 transitions. [2024-11-08 23:16:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-08 23:16:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:16:36,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:36,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:36,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 176 states and 234 transitions. [2024-11-08 23:16:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 234 transitions. [2024-11-08 23:16:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:16:36,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:36,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 178 states and 237 transitions. [2024-11-08 23:16:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2024-11-08 23:16:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:16:37,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 178 states and 235 transitions. [2024-11-08 23:16:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-08 23:16:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:16:37,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:37,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:16:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 178 states and 234 transitions. [2024-11-08 23:16:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 234 transitions. [2024-11-08 23:16:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:16:38,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2024-11-08 23:16:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2024-11-08 23:16:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:16:40,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 185 states and 247 transitions. [2024-11-08 23:16:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 247 transitions. [2024-11-08 23:16:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:43,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:43,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 186 states and 249 transitions. [2024-11-08 23:16:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 249 transitions. [2024-11-08 23:16:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:43,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 188 states and 252 transitions. [2024-11-08 23:16:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 252 transitions. [2024-11-08 23:16:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:16:43,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 192 states and 261 transitions. [2024-11-08 23:16:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 261 transitions. [2024-11-08 23:16:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:16:45,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:45,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 194 states and 266 transitions. [2024-11-08 23:16:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 266 transitions. [2024-11-08 23:16:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:47,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:48,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 195 states and 268 transitions. [2024-11-08 23:16:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 268 transitions. [2024-11-08 23:16:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:48,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:48,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 197 states and 271 transitions. [2024-11-08 23:16:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 271 transitions. [2024-11-08 23:16:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:16:48,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 201 states and 280 transitions. [2024-11-08 23:16:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 280 transitions. [2024-11-08 23:16:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:16:51,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 203 states and 285 transitions. [2024-11-08 23:16:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 285 transitions. [2024-11-08 23:16:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:56,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:16:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 204 states and 287 transitions. [2024-11-08 23:16:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-11-08 23:16:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:16:56,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:16:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 213 states and 307 transitions. [2024-11-08 23:17:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 307 transitions. [2024-11-08 23:17:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:17:02,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:17:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 189 states and 267 transitions. [2024-11-08 23:17:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 267 transitions. [2024-11-08 23:17:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:17:03,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:03,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 205 states and 295 transitions. [2024-11-08 23:17:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 295 transitions. [2024-11-08 23:17:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:17:18,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:17:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 220 states and 324 transitions. [2024-11-08 23:17:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2024-11-08 23:17:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:17:33,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:33,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:17:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 224 states and 331 transitions. [2024-11-08 23:17:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 331 transitions. [2024-11-08 23:17:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:17:36,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:36,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 244 states and 372 transitions. [2024-11-08 23:17:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 372 transitions. [2024-11-08 23:17:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:17:56,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:56,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 264 states and 413 transitions. [2024-11-08 23:18:16,400 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 413 transitions. [2024-11-08 23:18:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:18:16,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:16,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 267 states and 419 transitions. [2024-11-08 23:18:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 419 transitions. [2024-11-08 23:18:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:18:19,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:19,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 270 states and 425 transitions. [2024-11-08 23:18:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 425 transitions. [2024-11-08 23:18:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:18:22,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:18:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 271 states and 425 transitions. [2024-11-08 23:18:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 425 transitions. [2024-11-08 23:18:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:23,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:18:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:23,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 271 states and 424 transitions. [2024-11-08 23:18:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 424 transitions. [2024-11-08 23:18:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:23,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:23,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:18:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 270 states and 421 transitions. [2024-11-08 23:18:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 421 transitions. [2024-11-08 23:18:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:23,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:23,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:18:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 272 states and 425 transitions. [2024-11-08 23:18:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 425 transitions. [2024-11-08 23:18:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:27,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:27,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:18:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 273 states and 425 transitions. [2024-11-08 23:18:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 425 transitions. [2024-11-08 23:18:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:27,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 292 states and 459 transitions. [2024-11-08 23:18:49,260 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 459 transitions. [2024-11-08 23:18:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:18:49,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:49,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:18:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 302 states and 478 transitions. [2024-11-08 23:19:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 478 transitions. [2024-11-08 23:19:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:19:03,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 314 states and 503 transitions. [2024-11-08 23:19:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 503 transitions. [2024-11-08 23:19:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:19:24,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:24,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 328 states and 537 transitions. [2024-11-08 23:19:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 537 transitions. [2024-11-08 23:19:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:19:53,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:53,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:19:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 337 states and 551 transitions. [2024-11-08 23:20:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 551 transitions. [2024-11-08 23:20:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:20:02,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 340 states and 559 transitions. [2024-11-08 23:20:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 559 transitions. [2024-11-08 23:20:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:20:08,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:14,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 346 states and 567 transitions. [2024-11-08 23:20:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 567 transitions. [2024-11-08 23:20:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:20:14,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:14,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 358 states and 590 transitions. [2024-11-08 23:20:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 590 transitions. [2024-11-08 23:20:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:20:53,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:22,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 368 states and 609 transitions. [2024-11-08 23:21:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 609 transitions. [2024-11-08 23:21:22,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:21:22,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:22,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:22:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 383 states and 635 transitions. [2024-11-08 23:22:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 635 transitions. [2024-11-08 23:22:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:22:15,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:22:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:23:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 409 states and 675 transitions. [2024-11-08 23:23:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 675 transitions. [2024-11-08 23:23:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:23:07,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:23:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 423 states and 704 transitions. [2024-11-08 23:24:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 704 transitions. [2024-11-08 23:24:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:24:10,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 430 states and 715 transitions. [2024-11-08 23:24:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 715 transitions. [2024-11-08 23:24:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:24:28,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:24:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 432 states and 717 transitions. [2024-11-08 23:24:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 717 transitions. [2024-11-08 23:24:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:24:34,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:43,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 435 states and 723 transitions. [2024-11-08 23:24:43,504 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 723 transitions. [2024-11-08 23:24:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:24:43,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:24:43,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:24:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:24:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:24:43,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:24:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:24:44,084 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 65 iterations. [2024-11-08 23:24:44,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:24:44 ImpRootNode [2024-11-08 23:24:44,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:24:44,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:24:44,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:24:44,150 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:24:44,151 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:16:23" (3/4) ... [2024-11-08 23:24:44,154 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:24:44,155 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:24:44,157 INFO L158 Benchmark]: Toolchain (without parser) took 502505.15ms. Allocated memory was 127.9MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 87.8MB in the beginning and 2.7GB in the end (delta: -2.7GB). Peak memory consumption was 471.2MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,157 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:24:44,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.83ms. Allocated memory is still 127.9MB. Free memory was 87.4MB in the beginning and 67.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.68ms. Allocated memory is still 127.9MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,159 INFO L158 Benchmark]: Boogie Preprocessor took 55.32ms. Allocated memory is still 127.9MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,160 INFO L158 Benchmark]: RCFGBuilder took 1310.47ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 107.8MB in the end (delta: -45.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,161 INFO L158 Benchmark]: CodeCheck took 500360.92ms. Allocated memory was 165.7MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 107.8MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 450.9MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,162 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:24:44,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 137 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 500.2s, OverallIterations: 65, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14761 SdHoareTripleChecker+Valid, 102.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11640 mSDsluCounter, 8442 SdHoareTripleChecker+Invalid, 89.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6865 mSDsCounter, 10967 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50101 IncrementalHoareTripleChecker+Invalid, 61068 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10967 mSolverCounterUnsat, 1577 mSDtfsCounter, 50101 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12729 GetRequests, 11176 SyntacticMatches, 277 SemanticMatches, 1276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814108 ImplicationChecksByTransitivity, 478.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 75.4s InterpolantComputationTime, 1430 NumberOfCodeBlocks, 1430 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 10543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 43 PerfectInterpolantSequences, 142/184 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L630] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) VAL [node={-2:0}, nodelast={0:0}] [L591] node->left = ((void *)0) VAL [node={-2:0}, nodelast={0:0}] [L592] node->right = nodelast VAL [node={-2:0}, nodelast={0:0}] [L593] COND FALSE !(\read(*nodelast)) VAL [node={-2:0}] [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND FALSE !(node != ((void *)0)) VAL [node={-2:0}, nodelast={-2:0}] [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) VAL [node={-2:0}, nodelast={-2:0}] [L603] EXPR node->left VAL [node={-2:0}, nodelast={-2:0}] [L603] node->left->left = ((void *)0) [L604] EXPR node->left VAL [node={-2:0}, nodelast={-2:0}] [L604] node->left->right = ((void *)0) [L605] EXPR node->left VAL [node={-2:0}, nodelast={-2:0}] [L605] node->left->value = 42 [L606] EXPR node->left VAL [node={-2:0}, nodelast={-2:0}] [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND TRUE node != ((void *)0) VAL [nodelast={-2:0}] [L609] return nodelast; [L630] RET, EXPR create_tree() [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L633] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={-2:0}] [L576] COND FALSE !(node != ((void *)0)) VAL [node={-2:0}] [L576] COND TRUE node != ((void *)0) VAL [node={-2:0}] [L577] node->left VAL [node={-2:0}] [L577] COND TRUE node->left [L578] EXPR node->left VAL [node={-2:0}] [L578] EXPR node->left->value VAL [node={-2:0}] [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value VAL [node={-2:0}] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.83ms. Allocated memory is still 127.9MB. Free memory was 87.4MB in the beginning and 67.3MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.68ms. Allocated memory is still 127.9MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.32ms. Allocated memory is still 127.9MB. Free memory was 65.2MB in the beginning and 62.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1310.47ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 107.8MB in the end (delta: -45.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * CodeCheck took 500360.92ms. Allocated memory was 165.7MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 107.8MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 450.9MB. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.7GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:24:44,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:24:47,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:24:47,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-08 23:24:47,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:24:47,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:24:47,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:24:47,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:24:47,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:24:47,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:24:47,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:24:47,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:24:47,514 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:24:47,514 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:24:47,515 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:24:47,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:24:47,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:24:47,518 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:24:47,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:24:47,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:24:47,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:24:47,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:24:47,524 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:24:47,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:24:47,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:24:47,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:24:47,526 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:47,526 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:24:47,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:24:47,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:47,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:24:47,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:24:47,530 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:24:47,531 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:47,531 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:24:47,532 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_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2024-11-08 23:24:47,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:24:47,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:24:47,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:24:47,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:24:47,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:24:47,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-manipulation/tree-2.i Unable to find full path for "g++" [2024-11-08 23:24:50,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:24:50,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:24:50,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/sv-benchmarks/c/heap-manipulation/tree-2.i [2024-11-08 23:24:50,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/54e9235ce/767fbcec53e647adb8c453eae1eb939a/FLAG3f452ada0 [2024-11-08 23:24:50,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/data/54e9235ce/767fbcec53e647adb8c453eae1eb939a [2024-11-08 23:24:50,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:24:50,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:24:50,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:50,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:24:50,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:24:50,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:50" (1/1) ... [2024-11-08 23:24:50,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2649fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:50, skipping insertion in model container [2024-11-08 23:24:50,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:24:50" (1/1) ... [2024-11-08 23:24:50,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:24:51,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:51,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:24:51,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:24:51,509 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:24:51,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51 WrapperNode [2024-11-08 23:24:51,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:24:51,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:51,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:24:51,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:24:51,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,584 INFO L138 Inliner]: procedures = 125, calls = 44, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 159 [2024-11-08 23:24:51,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:24:51,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:24:51,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:24:51,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:24:51,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:24:51,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:24:51,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:24:51,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:24:51,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:24:51" (1/1) ... [2024-11-08 23:24:51,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:24:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:24:51,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:24:51,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:24:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:24:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:24:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:24:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:24:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:24:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:24:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:24:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:24:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:24:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:24:51,887 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:24:51,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:24:52,777 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-08 23:24:52,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:24:52,882 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:24:52,886 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 23:24:52,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:52 BoogieIcfgContainer [2024-11-08 23:24:52,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:24:52,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:24:52,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:24:52,898 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:24:52,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:52" (1/1) ... [2024-11-08 23:24:52,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:24:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 137 states and 163 transitions. [2024-11-08 23:24:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2024-11-08 23:24:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:24:52,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:52,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:52,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:53,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:24:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:24:53,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:53,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:24:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:53,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:24:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 136 states and 161 transitions. [2024-11-08 23:24:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2024-11-08 23:24:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:24:53,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:53,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:53,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:53,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:24:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:53,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:53,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:24:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:53,494 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:24:53,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:24:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 160 transitions. [2024-11-08 23:24:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2024-11-08 23:24:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:24:53,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:53,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:53,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:24:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:24:53,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:53,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:24:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 159 transitions. [2024-11-08 23:24:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2024-11-08 23:24:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:24:53,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:53,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:53,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:24:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:53,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:53,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:53,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:24:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:53,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2024-11-08 23:24:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2024-11-08 23:24:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:24:54,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:54,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:54,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:54,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:54,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:24:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:24:54,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:54,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:24:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2024-11-08 23:24:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-08 23:24:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:24:54,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:54,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:54,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:54,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:24:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:24:54,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:24:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 142 states and 174 transitions. [2024-11-08 23:24:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2024-11-08 23:24:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:24:54,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:54,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:54,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:54,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:24:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:24:54,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:54,768 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:24:54,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 145 states and 178 transitions. [2024-11-08 23:24:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2024-11-08 23:24:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:24:55,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:55,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:55,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:24:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:55,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:55,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:24:55,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:55,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:24:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2024-11-08 23:24:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2024-11-08 23:24:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:24:55,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:55,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:55,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:55,663 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:55,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:24:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:55,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:55,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:55,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:55,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:24:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:55,885 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:24:55,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:24:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:56,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2024-11-08 23:24:56,147 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2024-11-08 23:24:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:24:56,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:56,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:56,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:56,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:24:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:56,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:56,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:24:56,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:56,363 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:24:56,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-11-08 23:24:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-08 23:24:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:24:56,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:56,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:56,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:56,839 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:56,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:24:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:57,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:57,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:24:57,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:57,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:24:57,155 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-08 23:24:57,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 23:24:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:57,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 154 states and 193 transitions. [2024-11-08 23:24:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 193 transitions. [2024-11-08 23:24:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:24:57,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:57,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:57,457 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:57,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:24:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:57,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:57,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:24:57,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:57,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:24:57,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:24:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:24:57,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:24:57,820 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:24:57,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:24:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:57,829 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:24:57,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2024-11-08 23:24:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2024-11-08 23:24:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:24:58,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:58,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:58,211 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:24:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:58,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:58,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:24:58,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:58,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:24:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 207 transitions. [2024-11-08 23:24:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2024-11-08 23:24:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:24:58,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:58,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:58,995 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:58,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:24:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:59,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:59,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:24:59,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:24:59,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:24:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 160 states and 206 transitions. [2024-11-08 23:24:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2024-11-08 23:24:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:24:59,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:59,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:59,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:59,215 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:59,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:24:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:59,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:59,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:24:59,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:59,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2024-11-08 23:25:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2024-11-08 23:25:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:25:00,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:00,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:00,376 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:00,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:25:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:00,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:00,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:25:00,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:00,725 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-08 23:25:00,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-08 23:25:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:00,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 23:25:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-11-08 23:25:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-11-08 23:25:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:25:01,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:01,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:01,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:01,843 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:01,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:25:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:02,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:02,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:25:02,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:02,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:25:02,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:25:02,314 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:25:02,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:25:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:02,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 167 states and 220 transitions. [2024-11-08 23:25:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2024-11-08 23:25:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:25:04,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:04,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:04,180 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:04,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:25:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:04,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:04,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:25:04,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:04,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:04,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 23:25:04,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:04,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 23:25:04,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:04,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 23:25:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 169 states and 224 transitions. [2024-11-08 23:25:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 224 transitions. [2024-11-08 23:25:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:25:06,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:06,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:06,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:06,218 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:06,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:25:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:06,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:06,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:25:06,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:06,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:25:06,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:06,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-08 23:25:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 171 states and 226 transitions. [2024-11-08 23:25:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 226 transitions. [2024-11-08 23:25:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:25:09,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:09,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:09,076 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:09,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:25:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:09,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:09,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:09,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:09,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 23:25:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 171 states and 223 transitions. [2024-11-08 23:25:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 223 transitions. [2024-11-08 23:25:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:25:09,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:09,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:09,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:25:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:09,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:09,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:09,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:09,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2024-11-08 23:25:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2024-11-08 23:25:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:25:10,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:10,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:10,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:10,115 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:10,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:25:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:10,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:10,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:25:10,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:10,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 23:25:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:11,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 173 states and 226 transitions. [2024-11-08 23:25:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2024-11-08 23:25:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:25:11,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:11,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:11,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:11,246 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:25:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:11,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:11,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:11,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:25:11,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 23:25:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 173 states and 225 transitions. [2024-11-08 23:25:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2024-11-08 23:25:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:25:12,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:12,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:12,440 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:12,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:25:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:12,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:12,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:12,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:12,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:12,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 23:25:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 173 states and 224 transitions. [2024-11-08 23:25:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 224 transitions. [2024-11-08 23:25:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:25:13,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:13,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:13,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:13,729 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:13,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:25:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:13,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:14,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:25:14,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:14,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:25:14,071 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-08 23:25:14,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-08 23:25:14,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:14,649 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:14,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:14,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 23:25:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:15,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 178 states and 234 transitions. [2024-11-08 23:25:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 234 transitions. [2024-11-08 23:25:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:25:19,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:19,237 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:19,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:25:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:19,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:19,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:25:19,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:19,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:19,550 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:25:19,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:25:19,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 23:25:19,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:20,251 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:20,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:20,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:20,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 23:25:20,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 23:25:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:20,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 180 states and 239 transitions. [2024-11-08 23:25:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 239 transitions. [2024-11-08 23:25:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:25:24,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:24,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:24,142 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:24,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:25:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:24,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:24,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:24,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:24,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 242 transitions. [2024-11-08 23:25:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 242 transitions. [2024-11-08 23:25:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:25:25,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:25,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:25,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:25,202 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:25,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:25:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:25,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:25,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:25:25,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:25,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 182 states and 244 transitions. [2024-11-08 23:25:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 244 transitions. [2024-11-08 23:25:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:25:26,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:26,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:26,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:26,869 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:26,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:25:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:27,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:27,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:25:27,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:27,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:25:27,321 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-08 23:25:27,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-08 23:25:27,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:27,399 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:27,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:27,765 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:27,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:27,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 23:25:28,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:28,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 185 states and 251 transitions. [2024-11-08 23:25:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 251 transitions. [2024-11-08 23:25:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:25:30,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:30,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:30,770 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:30,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:25:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:31,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:31,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:25:31,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:31,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:25:31,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:31,272 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:25:31,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:25:31,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 23:25:31,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:31,383 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:31,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:31,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:31,935 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:31,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:31,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:31,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 23:25:31,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 23:25:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:32,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 187 states and 256 transitions. [2024-11-08 23:25:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 256 transitions. [2024-11-08 23:25:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:36,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:36,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:36,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:36,502 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:36,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:25:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:36,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:36,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 23:25:38,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 188 states and 259 transitions. [2024-11-08 23:25:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 259 transitions. [2024-11-08 23:25:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:38,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:38,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:38,143 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:38,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:25:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:38,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:25:38,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:38,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 189 states and 261 transitions. [2024-11-08 23:25:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2024-11-08 23:25:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:25:40,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:40,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:40,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:40,472 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:40,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:25:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:40,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:25:40,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:40,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-08 23:25:40,990 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-08 23:25:40,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-08 23:25:41,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:41,074 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:41,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:41,125 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:41,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:41,599 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:41,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:25:41,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 23:25:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:42,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 268 transitions. [2024-11-08 23:25:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2024-11-08 23:25:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:25:45,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:45,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:45,297 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:45,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:25:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:45,757 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:45,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:25:45,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:45,863 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:25:45,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:25:45,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:45,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:25:45,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 23:25:45,956 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:45,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:45,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:46,027 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:46,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:46,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:46,600 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:25:46,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:25:46,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-08 23:25:46,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 23:25:46,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-08 23:25:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:47,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 194 states and 273 transitions. [2024-11-08 23:25:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 273 transitions. [2024-11-08 23:25:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:25:51,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:51,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:51,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:51,494 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:25:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:51,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:51,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:25:51,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:25:51,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 195 states and 276 transitions. [2024-11-08 23:25:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 276 transitions. [2024-11-08 23:25:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:25:53,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:53,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:53,060 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:25:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:53,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:53,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:25:53,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:53,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:25:53,533 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-08 23:25:53,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-08 23:25:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:53,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 204 states and 299 transitions. [2024-11-08 23:26:00,911 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 299 transitions. [2024-11-08 23:26:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:26:00,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:00,912 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:00,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:26:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:01,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:01,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:26:01,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:26:01,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 182 states and 262 transitions. [2024-11-08 23:26:03,064 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 262 transitions. [2024-11-08 23:26:03,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:26:03,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:03,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:03,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:03,070 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:03,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:26:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:03,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:03,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:26:03,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:03,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 23:26:03,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-08 23:26:04,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 23:26:04,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 23:26:04,161 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:26:04,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:26:04,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 23:26:04,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-08 23:26:05,758 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:26:05,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:26:05,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2024-11-08 23:26:06,386 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:26:06,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:26:06,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2024-11-08 23:26:06,985 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:26:06,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:26:07,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2024-11-08 23:26:07,630 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:26:07,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-08 23:26:07,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2024-11-08 23:26:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:07,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 198 states and 294 transitions. [2024-11-08 23:26:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 294 transitions. [2024-11-08 23:26:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:26:34,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:34,668 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:34,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:26:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:35,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:35,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:35,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:26:36,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 213 states and 324 transitions. [2024-11-08 23:26:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 324 transitions. [2024-11-08 23:26:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:26:58,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:58,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:58,822 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:58,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:26:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:59,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:59,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:26:59,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:26:59,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 217 states and 332 transitions. [2024-11-08 23:27:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 332 transitions. [2024-11-08 23:27:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:27:04,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:04,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:04,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:04,676 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:04,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:27:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:05,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:05,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:27:05,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:06,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-08 23:27:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 237 states and 374 transitions. [2024-11-08 23:27:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 374 transitions. [2024-11-08 23:27:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:27:33,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:33,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:33,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:33,643 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:33,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:27:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:34,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:34,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:27:34,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:27:37,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 257 states and 417 transitions. [2024-11-08 23:28:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 417 transitions. [2024-11-08 23:28:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:28:11,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:11,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:11,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:11,003 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:11,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:28:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:11,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:11,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:28:11,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:11,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 260 states and 424 transitions. [2024-11-08 23:28:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 424 transitions. [2024-11-08 23:28:17,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:28:17,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:17,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:17,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:17,749 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:17,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:28:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:18,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:18,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:28:18,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:18,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 263 states and 430 transitions. [2024-11-08 23:28:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 430 transitions. [2024-11-08 23:28:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:28:25,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:25,596 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:25,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:28:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:26,076 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:26,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:28:26,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:28:27,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 264 states and 430 transitions. [2024-11-08 23:28:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 430 transitions. [2024-11-08 23:28:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:28:29,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:29,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:29,906 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:29,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:28:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:30,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:30,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:28:30,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:28:30,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 23:28:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 264 states and 429 transitions. [2024-11-08 23:28:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 429 transitions. [2024-11-08 23:28:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:28:30,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:30,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:30,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:30,784 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:30,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:28:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:28:31,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:28:31,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 263 states and 426 transitions. [2024-11-08 23:28:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 426 transitions. [2024-11-08 23:28:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:28:31,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:31,329 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:31,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:28:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:28:31,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:28:33,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:38,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 262 states and 425 transitions. [2024-11-08 23:28:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 425 transitions. [2024-11-08 23:28:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:28:38,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:38,715 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:28:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:39,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:39,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:28:39,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:28:39,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 263 states and 425 transitions. [2024-11-08 23:28:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 425 transitions. [2024-11-08 23:28:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:28:39,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:39,396 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:39,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:28:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:40,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:40,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:28:40,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:40,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:28:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:28:41,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:28:41,278 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:28:41,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:28:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:28:43,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:29:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2024-11-08 23:29:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2024-11-08 23:29:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:29:01,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:01,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:01,671 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:29:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:02,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:02,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:29:02,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:02,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:29:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:29:02,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-08 23:29:02,546 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:29:02,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:29:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:02,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 23:29:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 276 states and 451 transitions. [2024-11-08 23:29:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 451 transitions. [2024-11-08 23:29:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:29:10,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:10,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:10,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:10,104 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:10,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:29:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:10,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:10,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:29:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:11,570 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-08 23:29:11,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-08 23:29:12,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:29:14,116 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:29:14,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:29:14,978 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:29:14,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:29:15,871 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:29:15,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:29:16,752 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-08 23:29:16,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-11-08 23:29:19,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 23:29:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:29:20,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 23:29:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 288 states and 477 transitions. [2024-11-08 23:29:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 477 transitions. [2024-11-08 23:29:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:29:50,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:50,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:50,122 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:50,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079b2087-4572-4613-bb5c-e7b53ddc3bd9/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:29:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:50,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:50,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:29:50,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:50,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-08 23:29:50,854 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-08 23:29:50,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-08 23:29:51,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 23:29:51,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1