./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm --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 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:00:14,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:00:14,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:00:15,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:00:15,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:00:15,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:00:15,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:00:15,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:00:15,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:00:15,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:00:15,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:00:15,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:00:15,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:00:15,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:00:15,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:00:15,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:00:15,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:00:15,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:00:15,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:00:15,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:00:15,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:00:15,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:00:15,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:00:15,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:00:15,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:00:15,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:00:15,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:00:15,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:00:15,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:00:15,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:00:15,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:00:15,040 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:00:15,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:00:15,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm 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 -> 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 [2024-11-13 21:00:15,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:00:15,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:00:15,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:00:15,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:00:15,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:00:15,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c Unable to find full path for "g++" [2024-11-13 21:00:17,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:00:17,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:00:17,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2024-11-13 21:00:17,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/data/843dc173e/cf8637c123474a67834c0fd0b9b79703/FLAG8537ffb0b [2024-11-13 21:00:17,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/data/843dc173e/cf8637c123474a67834c0fd0b9b79703 [2024-11-13 21:00:17,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:00:17,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:00:17,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:00:17,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:00:17,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:00:17,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:00:17" (1/1) ... [2024-11-13 21:00:17,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60981189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:17, skipping insertion in model container [2024-11-13 21:00:17,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:00:17" (1/1) ... [2024-11-13 21:00:17,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:00:18,039 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_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-11-13 21:00:18,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:00:18,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:00:18,384 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_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-11-13 21:00:18,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:00:18,565 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:00:18,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18 WrapperNode [2024-11-13 21:00:18,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:00:18,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:00:18,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:00:18,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:00:18,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,760 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-13 21:00:18,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:00:18,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:00:18,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:00:18,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:00:18,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:00:18,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:00:18,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:00:18,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:00:18,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:18" (1/1) ... [2024-11-13 21:00:18,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:00:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:00:18,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:00:18,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e81b68b-bce5-43c9-a8c7-a39e858b9d2d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:00:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:00:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:00:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:00:18,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:00:19,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:00:19,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:00:21,316 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 21:00:21,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:00:27,704 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:00:27,705 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:00:27,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:00:27 BoogieIcfgContainer [2024-11-13 21:00:27,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:00:27,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:00:27,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:00:27,714 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:00:27,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:00:27" (1/1) ... [2024-11-13 21:00:27,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:00:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:00:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:00:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:00:27,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:27,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:28,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:00:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:00:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:00:28,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:28,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 21:01:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 21:01:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:01:09,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:09,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:46,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:02:57,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:02:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-13 21:02:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-13 21:02:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:02:58,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-11-13 21:04:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-11-13 21:04:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:04:35,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:05:53,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:06:05,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:06:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2024-11-13 21:06:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2024-11-13 21:06:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:06:05,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:05,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-13 21:11:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-13 21:11:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:11:43,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:43,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:12:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 100 transitions. [2024-11-13 21:12:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2024-11-13 21:12:47,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:12:47,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:47,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:14:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 21:14:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:14:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2024-11-13 21:14:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2024-11-13 21:14:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:14:23,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:14:23,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:14:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat