./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i --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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/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 cdeaaf68ec6b818190b10daa08c2d0ca8b7505d1cb1ac039886c6ec324698b15 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:46,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:46,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:38:46,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:38:46,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:38:46,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:46,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:46,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:46,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:46,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:46,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:46,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:46,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:38:46,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:38:46,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:38:46,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:46,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:46,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:46,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:46,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:46,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:46,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:46,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:46,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:46,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:46,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:46,424 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:38:46,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:38:46,424 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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/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 -> cdeaaf68ec6b818190b10daa08c2d0ca8b7505d1cb1ac039886c6ec324698b15 [2024-11-13 21:38:46,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:46,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:46,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:46,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:46,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:46,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i Unable to find full path for "g++" [2024-11-13 21:38:48,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:49,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:49,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i [2024-11-13 21:38:49,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/data/8d9d31c3b/ba6377f509b94ce0801db61be90851a0/FLAG14934b7df [2024-11-13 21:38:49,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/data/8d9d31c3b/ba6377f509b94ce0801db61be90851a0 [2024-11-13 21:38:49,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:49,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:49,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:49,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:49,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:49,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:49" (1/1) ... [2024-11-13 21:38:49,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1447a15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:49, skipping insertion in model container [2024-11-13 21:38:49,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:49" (1/1) ... [2024-11-13 21:38:49,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:49,838 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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i[917,930] [2024-11-13 21:38:49,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:49,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:49,944 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_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-27.i[917,930] [2024-11-13 21:38:49,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:50,010 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:50,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50 WrapperNode [2024-11-13 21:38:50,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:50,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:50,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:50,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:50,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,101 INFO L138 Inliner]: procedures = 27, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-11-13 21:38:50,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:50,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:50,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:50,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:50,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:50,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:50,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:50,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:50,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:50,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:50,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:50,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a3c92c-9c1d-4e12-b122-3e65b1f3e383/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 21:38:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:38:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:38:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:38:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:38:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:38:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:50,399 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:50,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:51,154 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:51,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:51,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:51,863 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:38:51,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:51 BoogieIcfgContainer [2024-11-13 21:38:51,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:51,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:51,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:51,878 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:51,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:51" (1/1) ... [2024-11-13 21:38:51,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:51,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2024-11-13 21:38:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-13 21:38:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:38:51,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-13 21:44:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2024-11-13 21:44:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2024-11-13 21:44:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:44:18,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:18,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-13 21:47:06,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 21:47:07,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 113 states and 189 transitions. [2024-11-13 21:47:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2024-11-13 21:47:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:47:07,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 35 proven. 37 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-13 21:49:46,654 WARN L286 SmtUtils]: Spent 11.23s on a formula simplification. DAG size of input: 213 DAG size of output: 172 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:50:32,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-13 21:50:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 142 states and 256 transitions. [2024-11-13 21:50:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 256 transitions. [2024-11-13 21:50:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 21:50:32,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:32,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked.