./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array29_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/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_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array29_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:07:07,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:07:07,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:07:07,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:07:07,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:07:07,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:07:07,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:07:07,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:07:07,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:07:07,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:07:07,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:07:07,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:07:07,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:07:07,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:07:07,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:07:07,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:07:07,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:07:07,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:07:07,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:07:07,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:07:07,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:07:07,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:07:07,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:07:07,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:07:07,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:07:07,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:07:07,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:07:07,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:07:07,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:07:07,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:07:07,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:07:07,474 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:07:07,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:07:07,475 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_d67375a6-447f-4c9b-a9f2-152bc423f84f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 [2024-11-08 22:07:07,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:07:07,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:07:07,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:07:07,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:07:07,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:07:07,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-patterns/array29_pattern.c Unable to find full path for "g++" [2024-11-08 22:07:10,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:07:10,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:07:10,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c [2024-11-08 22:07:10,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/b90230275/3221ac16012946b9aa80db4d647442d0/FLAGa4f558ee0 [2024-11-08 22:07:10,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/b90230275/3221ac16012946b9aa80db4d647442d0 [2024-11-08 22:07:10,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:07:10,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:07:10,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:07:10,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:07:10,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:07:10,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79cfd7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10, skipping insertion in model container [2024-11-08 22:07:10,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:07:10,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2024-11-08 22:07:10,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:07:10,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:07:10,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2024-11-08 22:07:10,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:07:10,587 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:07:10,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10 WrapperNode [2024-11-08 22:07:10,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:07:10,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:07:10,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:07:10,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:07:10,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,627 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-08 22:07:10,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:07:10,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:07:10,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:07:10,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:07:10,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:07:10,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:07:10,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:07:10,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:07:10,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:07:10" (1/1) ... [2024-11-08 22:07:10,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:07:10,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:07:10,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:07:10,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:07:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:07:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:07:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:07:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:07:10,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:07:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:07:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:07:10,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:07:10,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:07:10,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:07:11,008 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:07:11,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:07:11,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:07:11,085 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:07:11,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:07:11 BoogieIcfgContainer [2024-11-08 22:07:11,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:07:11,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:07:11,091 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:07:11,112 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:07:11,112 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:07:11" (1/1) ... [2024-11-08 22:07:11,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:07:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:07:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:07:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:07:11,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:11,516 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 22:07:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 22:07:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 22:07:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:07:11,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:11,638 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 22:07:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:07:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:07:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:07:11,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:07:11,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-08 22:07:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-08 22:07:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:07:11,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:07:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:07:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:07:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:07:12,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,279 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 22:07:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:07:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:07:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:07:12,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,591 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 22:07:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:07:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:07:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:07:12,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:07:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:07:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:07:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:07:12,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:07:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:07:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:07:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:07:12,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:07:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 22:07:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 22:07:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:07:13,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:13,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:07:13,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:13,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-08 22:07:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-08 22:07:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:07:13,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:13,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:07:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-11-08 22:07:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-08 22:07:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:07:14,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:07:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-08 22:07:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-08 22:07:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:07:14,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:07:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2024-11-08 22:07:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2024-11-08 22:07:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:07:14,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:07:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:15,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-08 22:07:15,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:15,501 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 22:07:15,659 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 19 treesize of output 18 [2024-11-08 22:07:16,115 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:16,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 22:07:16,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:16,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 22:07:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:07:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 81 states and 108 transitions. [2024-11-08 22:07:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2024-11-08 22:07:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:07:23,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:23,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:24,356 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:07:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2024-11-08 22:07:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2024-11-08 22:07:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:07:27,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:27,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 22:07:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 101 states and 140 transitions. [2024-11-08 22:07:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 140 transitions. [2024-11-08 22:07:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:07:30,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 35 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:07:31,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 102 states and 141 transitions. [2024-11-08 22:07:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions. [2024-11-08 22:07:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:07:31,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:31,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 22:07:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2024-11-08 22:07:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2024-11-08 22:07:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:07:32,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:32,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 37 proven. 34 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:07:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2024-11-08 22:07:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2024-11-08 22:07:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:07:33,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 22:07:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 108 states and 146 transitions. [2024-11-08 22:07:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 146 transitions. [2024-11-08 22:07:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:07:34,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 21 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 22:07:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 112 states and 150 transitions. [2024-11-08 22:07:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2024-11-08 22:07:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:07:36,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:07:39,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 163 transitions. [2024-11-08 22:07:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2024-11-08 22:07:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:07:39,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 16 proven. 59 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-08 22:07:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 134 states and 173 transitions. [2024-11-08 22:07:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 173 transitions. [2024-11-08 22:07:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:07:43,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:43,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:07:45,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2024-11-08 22:07:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2024-11-08 22:07:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:07:45,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-08 22:07:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 146 states and 191 transitions. [2024-11-08 22:07:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 191 transitions. [2024-11-08 22:07:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 22:07:46,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:46,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 78 proven. 55 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 22:07:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 152 states and 196 transitions. [2024-11-08 22:07:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-08 22:07:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 22:07:47,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 22:07:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 190 transitions. [2024-11-08 22:07:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 190 transitions. [2024-11-08 22:07:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 22:07:49,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 34 proven. 92 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 22:07:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 123 states and 153 transitions. [2024-11-08 22:07:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2024-11-08 22:07:49,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:07:49,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:49,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 22:07:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2024-11-08 22:07:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2024-11-08 22:07:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:07:50,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 22:07:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2024-11-08 22:07:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2024-11-08 22:07:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:07:51,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:51,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:07:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:51,893 WARN L253 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-11-08 22:07:51,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:51,985 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 22:07:52,039 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 19 treesize of output 18 [2024-11-08 22:07:52,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:52,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 22:07:53,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:53,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-08 22:07:53,437 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:53,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-11-08 22:07:53,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:53,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 58 [2024-11-08 22:07:54,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:54,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2024-11-08 22:07:55,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:55,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 61 treesize of output 78 [2024-11-08 22:07:55,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:07:55,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 68 treesize of output 88 [2024-11-08 22:08:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:08:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 167 states and 198 transitions. [2024-11-08 22:08:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 198 transitions. [2024-11-08 22:08:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:08:29,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:29,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 75 proven. 49 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-08 22:08:34,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:34,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 177 states and 211 transitions. [2024-11-08 22:08:34,867 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 211 transitions. [2024-11-08 22:08:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 22:08:34,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:34,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 26 proven. 104 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-08 22:08:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:42,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 189 states and 225 transitions. [2024-11-08 22:08:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 225 transitions. [2024-11-08 22:08:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 22:08:42,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 4 proven. 147 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-08 22:08:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 201 states and 239 transitions. [2024-11-08 22:08:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 239 transitions. [2024-11-08 22:08:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 22:08:48,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 66 proven. 117 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-08 22:08:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 215 states and 254 transitions. [2024-11-08 22:08:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 254 transitions. [2024-11-08 22:08:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 22:08:57,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:57,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-08 22:09:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 227 states and 266 transitions. [2024-11-08 22:09:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 266 transitions. [2024-11-08 22:09:04,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 22:09:04,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:04,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 34 proven. 163 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-08 22:09:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 239 states and 277 transitions. [2024-11-08 22:09:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 277 transitions. [2024-11-08 22:09:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:09:10,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 11 proven. 243 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-08 22:09:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 251 states and 291 transitions. [2024-11-08 22:09:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 291 transitions. [2024-11-08 22:09:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:09:11,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:11,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 220 proven. 104 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-08 22:09:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:14,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 258 states and 298 transitions. [2024-11-08 22:09:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 298 transitions. [2024-11-08 22:09:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 22:09:14,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 180 proven. 171 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-08 22:09:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 204 states and 235 transitions. [2024-11-08 22:09:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 235 transitions. [2024-11-08 22:09:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 22:09:15,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:09:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:09:25,603 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:09:25,607 INFO L158 Benchmark]: Toolchain (without parser) took 135342.37ms. Allocated memory was 165.7MB in the beginning and 866.1MB in the end (delta: 700.4MB). Free memory was 124.6MB in the beginning and 372.9MB in the end (delta: -248.3MB). Peak memory consumption was 455.1MB. Max. memory is 16.1GB. [2024-11-08 22:09:25,607 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:25,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.23ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 111.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:09:25,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 165.7MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:25,609 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 108.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:09:25,609 INFO L158 Benchmark]: RCFGBuilder took 425.44ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 93.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:09:25,610 INFO L158 Benchmark]: CodeCheck took 134519.61ms. Allocated memory was 165.7MB in the beginning and 866.1MB in the end (delta: 700.4MB). Free memory was 93.8MB in the beginning and 372.9MB in the end (delta: -279.1MB). Peak memory consumption was 423.7MB. Max. memory is 16.1GB. [2024-11-08 22:09:25,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.23ms. Allocated memory is still 165.7MB. Free memory was 124.6MB in the beginning and 111.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 165.7MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 108.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.44ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 93.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 134519.61ms. Allocated memory was 165.7MB in the beginning and 866.1MB in the end (delta: 700.4MB). Free memory was 93.8MB in the beginning and 372.9MB in the end (delta: -279.1MB). Peak memory consumption was 423.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:09:25,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/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_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array29_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:09:28,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:09:28,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:09:28,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:09:28,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:09:28,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:09:28,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:09:28,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:09:28,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:09:28,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:09:28,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:09:28,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:09:28,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:09:28,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:09:28,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:09:28,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:09:28,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:09:28,166 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:09:28,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:09:28,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:09:28,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:09:28,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:09:28,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:09:28,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:09:28,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:09:28,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:09:28,173 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:28,173 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:09:28,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:09:28,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:28,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:09:28,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:09:28,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:09:28,175 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:09:28,175 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:28,175 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:09:28,176 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_d67375a6-447f-4c9b-a9f2-152bc423f84f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 [2024-11-08 22:09:28,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:09:28,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:09:28,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:09:28,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:09:28,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:09:28,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-patterns/array29_pattern.c Unable to find full path for "g++" [2024-11-08 22:09:30,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:09:31,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:09:31,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c [2024-11-08 22:09:31,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/32b101fa5/450384ec6ff541d8a1f0539d049b6b76/FLAG6bfe92fcf [2024-11-08 22:09:31,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/data/32b101fa5/450384ec6ff541d8a1f0539d049b6b76 [2024-11-08 22:09:31,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:09:31,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:09:31,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:31,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:09:31,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:09:31,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397d66e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31, skipping insertion in model container [2024-11-08 22:09:31,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:09:31,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2024-11-08 22:09:31,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:31,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:09:31,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2024-11-08 22:09:31,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:09:31,730 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:09:31,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31 WrapperNode [2024-11-08 22:09:31,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:09:31,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:31,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:09:31,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:09:31,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,774 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-08 22:09:31,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:09:31,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:09:31,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:09:31,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:09:31,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:09:31,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:09:31,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:09:31,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:09:31,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:09:31" (1/1) ... [2024-11-08 22:09:31,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:09:31,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:09:31,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:09:31,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:09:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:09:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:09:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:09:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:09:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:09:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:09:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:09:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:09:31,955 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:09:31,958 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:09:32,395 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:09:32,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:09:32,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:09:32,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:09:32,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:32 BoogieIcfgContainer [2024-11-08 22:09:32,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:09:32,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:09:32,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:09:32,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:09:32,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:09:32" (1/1) ... [2024-11-08 22:09:32,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:09:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:09:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:09:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:09:32,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:32,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:32,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:32,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:09:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:32,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:09:33,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:33,265 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 22:09:33,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:09:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 22:09:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 22:09:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:09:33,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:33,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:33,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:33,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:33,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:09:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:09:33,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:33,663 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 22:09:33,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:33,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-08 22:09:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-08 22:09:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:09:33,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:33,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:33,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:33,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:33,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:09:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:33,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:34,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:09:34,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:34,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:09:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-08 22:09:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-08 22:09:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:09:35,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:35,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:35,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:35,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:35,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:09:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:09:35,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:09:35,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:09:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:09:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:09:35,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:35,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:35,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:35,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:35,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:09:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:35,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:09:35,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:36,033 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 22:09:36,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:09:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:09:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:09:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:09:37,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:37,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:37,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:37,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:09:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:09:37,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:37,515 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 22:09:37,517 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:09:37,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:09:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:09:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:09:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:09:37,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:37,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:37,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:37,558 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:09:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:37,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:09:37,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:09:38,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:09:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:09:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:09:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:09:38,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:38,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:38,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:38,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:38,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:09:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:09:38,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:09:38,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:09:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:09:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:09:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:09:38,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:38,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:38,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:38,649 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:38,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:09:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:38,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:39,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:09:39,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:09:39,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:09:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 22:09:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 22:09:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:09:40,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:40,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:40,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:40,118 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:40,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:09:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:40,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:40,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:09:40,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:09:40,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:09:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2024-11-08 22:09:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-08 22:09:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:09:44,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:44,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:44,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:44,728 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:44,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:09:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:45,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:45,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:09:45,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:09:45,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:09:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-08 22:09:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-08 22:09:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:09:46,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:46,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:46,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:46,780 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:46,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:09:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:47,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:47,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:09:47,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 22:09:47,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:09:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2024-11-08 22:09:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2024-11-08 22:09:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:09:49,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:09:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:09:49,717 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:09:49,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:09:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:51,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:09:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:52,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:09:52,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:52,876 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 22:09:53,249 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 19 treesize of output 18 [2024-11-08 22:09:55,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:09:55,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2024-11-08 22:09:55,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:09:55,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:09:55,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-11-08 22:10:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:10:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:10:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:10:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:10:00,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:10:00,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 13 [2024-11-08 22:10:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:10:01,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:36,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2024-11-08 22:10:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2024-11-08 22:10:36,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:10:36,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:36,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:36,717 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:36,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:10:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:37,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:37,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:10:37,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 22:10:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:10:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 81 states and 111 transitions. [2024-11-08 22:10:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2024-11-08 22:10:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:10:43,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:43,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:43,710 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:10:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:44,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:44,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:10:44,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:10:44,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 22:10:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 82 states and 113 transitions. [2024-11-08 22:10:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2024-11-08 22:10:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:10:46,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:46,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:46,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:46,406 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:46,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:10:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:46,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:46,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:10:46,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:10:47,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:10:49,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2024-11-08 22:10:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2024-11-08 22:10:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:10:49,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:10:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:10:49,424 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:10:49,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:10:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:49,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:10:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:49,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:10:49,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:10:53,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:11:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2024-11-08 22:11:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2024-11-08 22:11:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:11:07,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:07,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:07,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:11:07,617 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:11:07,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:11:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:07,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:11:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:08,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:11:08,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:11:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-08 22:11:09,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:11:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 97 states and 134 transitions. [2024-11-08 22:11:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2024-11-08 22:11:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:11:16,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:11:16,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:11:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:11:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:17,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:11:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:17,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:11:17,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:11:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 22:11:20,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:11:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 107 states and 149 transitions. [2024-11-08 22:11:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2024-11-08 22:11:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:11:41,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:41,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:11:41,875 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:11:41,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:11:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:42,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:11:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:42,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:11:42,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:11:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 22:11:45,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:11:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 109 states and 151 transitions. [2024-11-08 22:11:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2024-11-08 22:11:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:11:52,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:52,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:11:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:11:52,976 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:11:52,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:11:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:53,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:11:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:53,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:11:53,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:11:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 35 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:11:55,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:12:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 112 states and 156 transitions. [2024-11-08 22:12:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2024-11-08 22:12:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:12:02,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:02,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:02,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:02,418 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:02,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:12:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:02,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:02,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:12:02,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 33 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 22:12:03,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 22:12:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 115 states and 160 transitions. [2024-11-08 22:12:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2024-11-08 22:12:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:12:09,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:09,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:09,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:09,787 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:09,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:12:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:10,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:10,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:12:10,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 22:12:11,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:12:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2024-11-08 22:12:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2024-11-08 22:12:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:12:15,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:15,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:15,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:15,444 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:15,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:12:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:15,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:15,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:12:15,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-08 22:12:17,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 22:12:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2024-11-08 22:12:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2024-11-08 22:12:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:12:29,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:29,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:29,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:29,707 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:29,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:12:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:30,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:30,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:12:30,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 51 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 22:12:35,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:12:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2024-11-08 22:12:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2024-11-08 22:12:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:12:52,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:52,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:12:52,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:12:52,150 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:12:52,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:12:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:52,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:12:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:52,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:12:52,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 21 proven. 63 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 22:12:53,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 22:13:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 140 states and 193 transitions. [2024-11-08 22:13:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 193 transitions. [2024-11-08 22:13:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:13:17,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:17,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:17,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:17,700 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:17,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:13:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:18,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:18,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:13:18,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 63 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 22:13:19,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:13:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 150 states and 206 transitions. [2024-11-08 22:13:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 206 transitions. [2024-11-08 22:13:43,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:13:43,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:43,295 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:43,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:13:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:43,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:43,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:43,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 5 proven. 98 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 22:13:47,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 156 states and 213 transitions. [2024-11-08 22:14:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2024-11-08 22:14:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:14:07,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:07,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:07,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:07,743 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:07,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:14:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:08,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:08,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:14:08,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 89 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 22:14:09,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 225 transitions. [2024-11-08 22:14:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2024-11-08 22:14:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 22:14:21,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:21,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:21,521 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:21,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:14:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:22,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:22,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:22,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 16 proven. 121 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 22:14:24,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-08 22:14:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 170 states and 230 transitions. [2024-11-08 22:14:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 230 transitions. [2024-11-08 22:14:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 22:14:40,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:40,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:40,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:40,907 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:40,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:14:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:41,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:41,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:14:41,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 130 proven. 26 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-08 22:14:42,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 172 states and 232 transitions. [2024-11-08 22:14:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 232 transitions. [2024-11-08 22:14:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:14:49,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:49,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:49,053 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:14:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:58,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:58,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-08 22:14:58,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:59,325 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 22:14:59,553 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 19 treesize of output 18 [2024-11-08 22:15:00,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:00,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-08 22:15:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:04,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:04,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-11-08 22:15:06,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:06,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:06,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2024-11-08 22:15:07,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:07,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:07,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 71 [2024-11-08 22:15:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:13,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:13,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 70 treesize of output 84 [2024-11-08 22:15:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:14,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:14,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 82 treesize of output 99 [2024-11-08 22:15:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:16,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:16,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 94 treesize of output 114 [2024-11-08 22:15:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:15:45,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:15:45,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 90 treesize of output 28 [2024-11-08 22:15:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:48,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 22:18:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 229 states and 305 transitions. [2024-11-08 22:18:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 305 transitions. [2024-11-08 22:18:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 22:18:17,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:17,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:17,981 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:17,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:18:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:18,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:18,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:18,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 74 proven. 72 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-08 22:18:24,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-08 22:18:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 235 states and 313 transitions. [2024-11-08 22:18:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 313 transitions. [2024-11-08 22:18:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:18:48,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:48,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:48,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:48,484 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:48,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:18:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:49,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:18:49,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 67 proven. 68 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-08 22:18:58,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 236 states and 314 transitions. [2024-11-08 22:19:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 314 transitions. [2024-11-08 22:19:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:19:10,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:10,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:10,676 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:10,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:19:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:11,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:19:11,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-08 22:19:12,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 237 states and 315 transitions. [2024-11-08 22:19:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 315 transitions. [2024-11-08 22:19:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:19:17,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:17,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:17,432 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:17,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:19:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:17,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:19:18,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 81 proven. 68 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 22:19:19,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 238 states and 317 transitions. [2024-11-08 22:19:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 317 transitions. [2024-11-08 22:19:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:19:23,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:23,666 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:23,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:19:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:24,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:24,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 119 proven. 13 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-08 22:19:25,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 22:19:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 240 states and 319 transitions. [2024-11-08 22:19:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 319 transitions. [2024-11-08 22:19:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 22:19:34,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:34,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:34,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:34,976 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:34,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:19:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:35,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:35,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:19:35,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-08 22:19:38,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2024-11-08 22:19:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2024-11-08 22:19:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 22:19:48,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:48,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:48,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:48,051 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:48,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:19:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:48,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:48,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:48,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 23 proven. 87 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-08 22:19:51,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:33,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 254 states and 342 transitions. [2024-11-08 22:20:33,576 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 342 transitions. [2024-11-08 22:20:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 22:20:33,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:33,580 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:33,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:20:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:34,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:34,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:34,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 22:20:36,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:44,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 256 states and 343 transitions. [2024-11-08 22:20:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 343 transitions. [2024-11-08 22:20:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 22:20:44,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:44,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:44,968 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:44,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:20:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:45,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:45,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:45,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-08 22:20:47,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:54,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 259 states and 346 transitions. [2024-11-08 22:20:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 346 transitions. [2024-11-08 22:20:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 22:20:54,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:54,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:54,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:54,984 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:54,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:20:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:55,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:55,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:20:55,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-08 22:20:57,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 261 states and 348 transitions. [2024-11-08 22:21:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 348 transitions. [2024-11-08 22:21:05,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 22:21:05,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:05,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:05,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:05,414 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:05,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:21:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:06,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:06,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:21:06,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 33 proven. 87 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 22:21:09,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d67375a6-447f-4c9b-a9f2-152bc423f84f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0