./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/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_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/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_78b6079c-e413-4b65-b9da-d686c9a2052a/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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:07:11,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:07:11,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:07:11,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:07:11,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:07:11,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:07:11,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:07:11,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:07:11,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:07:11,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:07:11,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:07:11,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:07:11,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:07:11,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:07:11,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:07:11,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:07:11,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:07:11,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:07:11,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:07:11,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:07:11,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:07:11,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:07:11,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:07:11,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:07:11,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:07:11,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:07:11,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:07:11,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:11,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:07:11,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:07:11,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:07:11,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:07:11,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:07:11,479 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_78b6079c-e413-4b65-b9da-d686c9a2052a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2024-11-08 23:07:11,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:07:11,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:07:11,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:07:11,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:07:11,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:07:11,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 23:07:14,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:07:14,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:07:14,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-11-08 23:07:14,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/241b21569/dd9628579f994ba49096f44e7c047a7b/FLAG19005ba72 [2024-11-08 23:07:14,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/241b21569/dd9628579f994ba49096f44e7c047a7b [2024-11-08 23:07:14,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:07:14,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:07:14,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:14,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:07:14,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:07:14,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d000d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14, skipping insertion in model container [2024-11-08 23:07:14,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:07:14,588 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_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-11-08 23:07:14,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:14,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:07:14,652 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_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-11-08 23:07:14,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:07:14,688 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:07:14,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14 WrapperNode [2024-11-08 23:07:14,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:07:14,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:14,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:07:14,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:07:14,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,727 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 23:07:14,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:07:14,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:07:14,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:07:14,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:07:14,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:07:14,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:07:14,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:07:14,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:07:14,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:07:14" (1/1) ... [2024-11-08 23:07:14,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:07:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:07:14,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:07:14,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:07:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:07:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:07:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:07:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:07:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:07:14,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:07:14,924 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:07:14,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:07:15,103 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:07:15,104 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:07:15,191 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:07:15,195 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:07:15,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:15 BoogieIcfgContainer [2024-11-08 23:07:15,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:07:15,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:07:15,197 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:07:15,210 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:07:15,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:07:15" (1/1) ... [2024-11-08 23:07:15,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:07:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:07:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:07:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:07:15,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:15,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:15,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:07:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:07:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:07:15,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:07:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:07:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:07:15,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:15,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:15,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:07:15,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:07:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:07:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:07:16,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 23:07:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 23:07:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:07:17,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:17,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:17,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:07:17,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-08 23:07:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-08 23:07:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:07:18,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:18,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-08 23:07:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-08 23:07:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:07:19,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:19,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:19,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:07:19,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-08 23:07:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-08 23:07:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:07:19,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:19,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:07:19,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-08 23:07:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-08 23:07:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:07:20,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:20,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:07:20,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:21,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-11-08 23:07:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-08 23:07:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:07:21,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:21,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:21,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:07:21,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-08 23:07:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-08 23:07:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:07:21,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:21,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-08 23:07:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-08 23:07:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:07:22,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:22,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:22,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:07:22,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-08 23:07:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-08 23:07:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:07:23,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:07:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-08 23:07:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-08 23:07:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:07:23,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:23,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:07:23,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2024-11-08 23:07:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2024-11-08 23:07:26,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:07:26,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:26,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:26,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:07:26,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:27,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2024-11-08 23:07:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-11-08 23:07:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:27,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:27,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:27,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:07:27,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 127 transitions. [2024-11-08 23:07:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 127 transitions. [2024-11-08 23:07:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:28,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:28,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:07:28,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:29,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2024-11-08 23:07:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2024-11-08 23:07:29,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:29,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:29,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:07:29,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:30,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2024-11-08 23:07:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2024-11-08 23:07:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:30,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2024-11-08 23:07:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2024-11-08 23:07:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:31,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:31,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:31,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:07:31,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2024-11-08 23:07:32,590 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-11-08 23:07:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:32,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:32,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2024-11-08 23:07:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2024-11-08 23:07:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:07:33,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:33,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 73 states and 149 transitions. [2024-11-08 23:07:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-11-08 23:07:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:07:33,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:33,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:07:33,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:07:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 83 states and 181 transitions. [2024-11-08 23:07:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 181 transitions. [2024-11-08 23:07:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:07:37,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:37,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:37,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:07:37,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 87 states and 184 transitions. [2024-11-08 23:07:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 184 transitions. [2024-11-08 23:07:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:07:38,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:38,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:07:38,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 186 transitions. [2024-11-08 23:07:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2024-11-08 23:07:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:40,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:41,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:07:41,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 93 states and 200 transitions. [2024-11-08 23:07:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 200 transitions. [2024-11-08 23:07:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:44,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:44,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:44,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:07:44,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:07:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 201 transitions. [2024-11-08 23:07:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 201 transitions. [2024-11-08 23:07:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:46,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:46,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 99 states and 228 transitions. [2024-11-08 23:07:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 228 transitions. [2024-11-08 23:07:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:47,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:47,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:48,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:07:48,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 101 states and 229 transitions. [2024-11-08 23:07:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 229 transitions. [2024-11-08 23:07:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:49,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:49,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 228 transitions. [2024-11-08 23:07:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 228 transitions. [2024-11-08 23:07:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:49,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:49,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:50,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:07:50,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:07:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 103 states and 229 transitions. [2024-11-08 23:07:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 229 transitions. [2024-11-08 23:07:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:51,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:51,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 103 states and 228 transitions. [2024-11-08 23:07:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 228 transitions. [2024-11-08 23:07:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:52,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:52,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:52,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:07:52,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 105 states and 229 transitions. [2024-11-08 23:07:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 229 transitions. [2024-11-08 23:07:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:07:53,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:07:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 105 states and 228 transitions. [2024-11-08 23:07:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 228 transitions. [2024-11-08 23:07:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:07:54,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:54,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:07:54,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:07:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2024-11-08 23:07:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2024-11-08 23:07:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:07:59,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:07:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:07:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:59,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:07:59,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 119 states and 267 transitions. [2024-11-08 23:08:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 267 transitions. [2024-11-08 23:08:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:08:01,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:01,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:08:01,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 121 states and 268 transitions. [2024-11-08 23:08:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 268 transitions. [2024-11-08 23:08:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:08:02,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:02,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:02,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:08:02,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:04,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 123 states and 270 transitions. [2024-11-08 23:08:04,618 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 270 transitions. [2024-11-08 23:08:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:08:04,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:04,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:04,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:08:04,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 125 states and 272 transitions. [2024-11-08 23:08:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 272 transitions. [2024-11-08 23:08:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:05,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:10,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:08:10,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 288 transitions. [2024-11-08 23:08:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 288 transitions. [2024-11-08 23:08:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:13,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:13,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:13,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:08:13,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 63 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 131 states and 289 transitions. [2024-11-08 23:08:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 289 transitions. [2024-11-08 23:08:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:14,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:15,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:08:15,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 133 states and 290 transitions. [2024-11-08 23:08:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 290 transitions. [2024-11-08 23:08:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:16,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:16,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:16,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:08:16,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 135 states and 291 transitions. [2024-11-08 23:08:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 291 transitions. [2024-11-08 23:08:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:18,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 139 states and 324 transitions. [2024-11-08 23:08:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 324 transitions. [2024-11-08 23:08:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:20,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:20,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:08:20,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:08:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 141 states and 325 transitions. [2024-11-08 23:08:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 325 transitions. [2024-11-08 23:08:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:22,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 141 states and 324 transitions. [2024-11-08 23:08:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 324 transitions. [2024-11-08 23:08:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:23,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:23,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:08:23,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:08:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 143 states and 325 transitions. [2024-11-08 23:08:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 325 transitions. [2024-11-08 23:08:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:24,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 143 states and 324 transitions. [2024-11-08 23:08:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 324 transitions. [2024-11-08 23:08:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:25,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 143 states and 323 transitions. [2024-11-08 23:08:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 323 transitions. [2024-11-08 23:08:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:08:26,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:08:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 143 states and 322 transitions. [2024-11-08 23:08:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 322 transitions. [2024-11-08 23:08:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:26,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:27,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:08:27,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:08:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 153 states and 362 transitions. [2024-11-08 23:08:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 362 transitions. [2024-11-08 23:08:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:33,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:33,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:08:33,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:08:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 155 states and 364 transitions. [2024-11-08 23:08:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 364 transitions. [2024-11-08 23:08:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:35,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:35,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:35,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 23:08:35,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 30 proven. 49 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 23:08:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:37,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 157 states and 365 transitions. [2024-11-08 23:08:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 365 transitions. [2024-11-08 23:08:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:37,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:37,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:08:37,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:08:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 159 states and 367 transitions. [2024-11-08 23:08:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 367 transitions. [2024-11-08 23:08:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:39,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:39,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:08:39,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:08:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 161 states and 369 transitions. [2024-11-08 23:08:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 369 transitions. [2024-11-08 23:08:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:40,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:40,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:40,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 23:08:40,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 25 proven. 51 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 23:08:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:42,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 163 states and 371 transitions. [2024-11-08 23:08:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 371 transitions. [2024-11-08 23:08:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:42,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:42,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:08:42,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:08:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 165 states and 372 transitions. [2024-11-08 23:08:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 372 transitions. [2024-11-08 23:08:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:08:44,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:44,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:08:44,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:08:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 167 states and 373 transitions. [2024-11-08 23:08:45,411 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 373 transitions. [2024-11-08 23:08:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:08:45,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:45,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:08:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:08:55,464 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 23:08:55,468 INFO L158 Benchmark]: Toolchain (without parser) took 101125.11ms. Allocated memory was 159.4MB in the beginning and 685.8MB in the end (delta: 526.4MB). Free memory was 121.2MB in the beginning and 300.0MB in the end (delta: -178.8MB). Peak memory consumption was 350.3MB. Max. memory is 16.1GB. [2024-11-08 23:08:55,469 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 130.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:08:55,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 108.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:08:55,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.14ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:08:55,471 INFO L158 Benchmark]: Boogie Preprocessor took 33.96ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 105.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:08:55,471 INFO L158 Benchmark]: RCFGBuilder took 430.96ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 92.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:08:55,472 INFO L158 Benchmark]: CodeCheck took 100269.96ms. Allocated memory was 159.4MB in the beginning and 685.8MB in the end (delta: 526.4MB). Free memory was 92.4MB in the beginning and 300.0MB in the end (delta: -207.6MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. [2024-11-08 23:08:55,475 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 0.34ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 130.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 108.0MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.14ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.96ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 105.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.96ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 92.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 100269.96ms. Allocated memory was 159.4MB in the beginning and 685.8MB in the end (delta: 526.4MB). Free memory was 92.4MB in the beginning and 300.0MB in the end (delta: -207.6MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:08:55,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/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_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/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_78b6079c-e413-4b65-b9da-d686c9a2052a/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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:08:57,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:08:57,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:08:58,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:08:58,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:08:58,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:08:58,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:08:58,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:08:58,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:08:58,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:08:58,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:08:58,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:08:58,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:08:58,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:08:58,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:08:58,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:08:58,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:08:58,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:08:58,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:08:58,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:08:58,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:08:58,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:08:58,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:08:58,033 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:08:58,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:08:58,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:08:58,034 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:58,034 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:08:58,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:08:58,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:08:58,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:08:58,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:08:58,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:08:58,039 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:08:58,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:58,040 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:08:58,040 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_78b6079c-e413-4b65-b9da-d686c9a2052a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2024-11-08 23:08:58,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:08:58,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:08:58,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:08:58,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:08:58,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:08:58,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 23:09:00,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:09:00,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:09:00,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-11-08 23:09:00,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/c39570c91/03382ad71b13473788549f4065957aef/FLAGbb3440728 [2024-11-08 23:09:00,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/data/c39570c91/03382ad71b13473788549f4065957aef [2024-11-08 23:09:00,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:09:00,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:09:00,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:00,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:09:00,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:09:00,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:00" (1/1) ... [2024-11-08 23:09:00,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f33cc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:00, skipping insertion in model container [2024-11-08 23:09:00,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:09:00" (1/1) ... [2024-11-08 23:09:00,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:09:00,971 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_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-11-08 23:09:01,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:01,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:09:01,050 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_78b6079c-e413-4b65-b9da-d686c9a2052a/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-11-08 23:09:01,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:09:01,096 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:09:01,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01 WrapperNode [2024-11-08 23:09:01,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:09:01,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:01,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:09:01,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:09:01,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,137 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 23:09:01,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:09:01,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:09:01,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:09:01,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:09:01,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:09:01,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:09:01,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:09:01,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:09:01,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:09:01" (1/1) ... [2024-11-08 23:09:01,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:09:01,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:09:01,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:09:01,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:09:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:09:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:09:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:09:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:09:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:09:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:09:01,350 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:09:01,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:09:02,031 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:09:02,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:09:02,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:09:02,101 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:09:02,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:02 BoogieIcfgContainer [2024-11-08 23:09:02,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:09:02,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:09:02,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:09:02,114 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:09:02,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:09:02" (1/1) ... [2024-11-08 23:09:02,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:09:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:09:02,191 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:09:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:09:02,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:02,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:02,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:02,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:02,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:09:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:02,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:02,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:09:02,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:02,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:09:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:09:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:09:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:09:02,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:02,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:02,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:02,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:09:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:03,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:03,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:09:03,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:03,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:09:03,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:09:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:09:03,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:03,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:03,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:03,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:03,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:09:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:04,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:04,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:09:04,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:04,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:09:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:09:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:09:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:09:08,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:08,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:08,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:08,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:08,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:09:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:08,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:08,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:09:08,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:29,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:36,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:10:00,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:10:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 23:10:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 23:10:04,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:10:04,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:04,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:04,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:04,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:10:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:05,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:06,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:10:06,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:09,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:12:08,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:12:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-08 23:12:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-08 23:12:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:12:21,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:21,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:21,979 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:21,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:12:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:23,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:23,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:12:23,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:25,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:25,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:22,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:13:32,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:13:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-08 23:13:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-08 23:13:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:54,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:54,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:54,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:54,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:54,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:13:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:54,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:55,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:13:55,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:13:59,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-08 23:15:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-08 23:15:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:15:53,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:53,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:53,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:53,113 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:53,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:15:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:54,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:55,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:15:55,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:16:00,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:32,307 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:17:12,466 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:17:14,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:17:34,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:18:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-08 23:18:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-08 23:18:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:18:05,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:05,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:05,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:05,192 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:05,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:18:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:06,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:07,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:18:07,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:18,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b6079c-e413-4b65-b9da-d686c9a2052a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:51,188 WARN L286 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 30 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:20:21,207 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)