./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.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_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/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_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/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_f472b8f3-1bd3-4228-857c-5f051dff33cd/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 a4d4eb02b0247dcea9751eac90b3b62fa46451cdf0d39391f9327cb3314da38c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:00:54,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:00:54,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:00:54,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:00:54,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:00:54,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:00:54,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:00:54,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:00:54,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:00:54,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:00:54,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:00:54,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:00:54,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:00:54,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:00:54,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:00:54,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:00:54,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:00:54,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:00:54,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:00:54,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:00:54,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:54,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:00:54,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:00:54,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:00:54,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:00:54,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:00:54,734 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_f472b8f3-1bd3-4228-857c-5f051dff33cd/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 -> a4d4eb02b0247dcea9751eac90b3b62fa46451cdf0d39391f9327cb3314da38c [2024-11-13 23:00:55,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:00:55,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:00:55,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:00:55,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:00:55,071 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:00:55,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c Unable to find full path for "g++" [2024-11-13 23:00:56,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:00:57,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:00:57,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2024-11-13 23:00:57,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/data/a5d753949/fd0d471367914d2b9304730647ae3bd4/FLAG7790f9049 [2024-11-13 23:00:57,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/data/a5d753949/fd0d471367914d2b9304730647ae3bd4 [2024-11-13 23:00:57,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:00:57,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:00:57,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:57,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:00:57,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:00:57,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:57" (1/1) ... [2024-11-13 23:00:57,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5eb7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:57, skipping insertion in model container [2024-11-13 23:00:57,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:00:57" (1/1) ... [2024-11-13 23:00:57,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:00:57,725 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_f472b8f3-1bd3-4228-857c-5f051dff33cd/sv-benchmarks/c/eca-rers2012/Problem10_label31.c[5009,5022] [2024-11-13 23:00:57,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:57,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:00:57,936 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_f472b8f3-1bd3-4228-857c-5f051dff33cd/sv-benchmarks/c/eca-rers2012/Problem10_label31.c[5009,5022] [2024-11-13 23:00:58,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:00:58,027 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:00:58,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58 WrapperNode [2024-11-13 23:00:58,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:00:58,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:58,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:00:58,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:00:58,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,130 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 23:00:58,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:00:58,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:00:58,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:00:58,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:00:58,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:00:58,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:00:58,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:00:58,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:00:58,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:00:58" (1/1) ... [2024-11-13 23:00:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:00:58,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:00:58,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:00:58,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:00:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:00:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:00:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:00:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:00:58,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:00:58,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:00:59,932 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 23:00:59,932 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:03,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:03,147 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:01:03,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:03 BoogieIcfgContainer [2024-11-13 23:01:03,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:03,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:03,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:03,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:03,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:03" (1/1) ... [2024-11-13 23:01:03,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 23:01:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 23:01:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:01:03,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:03,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:03,657 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 23:01:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 23:01:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 23:01:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:01:03,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:03,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:16,780 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 23:01:17,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 23:01:17,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 23:01:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:01:17,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:36,812 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 23:01:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2024-11-13 23:01:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-11-13 23:01:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:01:37,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:01:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:01:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2024-11-13 23:01:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2024-11-13 23:01:50,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:01:50,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:50,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:02:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:02:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-13 23:02:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-13 23:02:02,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:02:02,175 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 23:02:02,182 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:02:02,532 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (<= ~a19~0 6) (< 7 ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 3))))) [2024-11-13 23:02:02,532 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 584) the Hoare annotation is: (and (or (< 38 ~a1~0) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:02:02,532 INFO L77 FloydHoareUtils]: At program point L142-1(lines 30 584) the Hoare annotation is: (and (or (< 38 ~a1~0) (not (= 7 ~a19~0)) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:02:02,533 INFO L75 FloydHoareUtils]: For program point L143(line 143) no Hoare annotation was computed. [2024-11-13 23:02:02,533 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 23:02:02,533 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:02:02,533 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:02:02,533 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (<= ~a19~0 6) (< 7 ~a19~0)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 3))))) [2024-11-13 23:02:02,533 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2024-11-13 23:02:02,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:02:02 ImpRootNode [2024-11-13 23:02:02,547 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:02:02,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:02:02,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:02:02,548 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:02:02,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:03" (3/4) ... [2024-11-13 23:02:02,551 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:02:02,565 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 23:02:02,566 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 23:02:02,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:02:02,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:02:02,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:02:02,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:02:02,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:02:02,739 INFO L158 Benchmark]: Toolchain (without parser) took 65334.49ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 117.9MB in the beginning and 737.2MB in the end (delta: -619.3MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 23:02:02,739 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.91ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 90.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.51ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 82.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,740 INFO L158 Benchmark]: Boogie Preprocessor took 112.86ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 78.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,740 INFO L158 Benchmark]: RCFGBuilder took 4903.70ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 78.3MB in the beginning and 223.2MB in the end (delta: -144.9MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,740 INFO L158 Benchmark]: CodeCheck took 59398.12ms. Allocated memory was 411.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 223.2MB in the beginning and 749.5MB in the end (delta: -526.3MB). Peak memory consumption was 861.7MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,741 INFO L158 Benchmark]: Witness Printer took 188.13ms. Allocated memory is still 1.8GB. Free memory was 749.5MB in the beginning and 737.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 63 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 485 SyntacticMatches, 22 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2673 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 54.4s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 36/55 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 143]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a19 <= 6) || (7 < a19)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (a12 == 0)) && (a10 != 3))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((38 < a1) || (7 != a19)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.91ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 90.4MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.51ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 82.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.86ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 78.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4903.70ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 78.3MB in the beginning and 223.2MB in the end (delta: -144.9MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * CodeCheck took 59398.12ms. Allocated memory was 411.0MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 223.2MB in the beginning and 749.5MB in the end (delta: -526.3MB). Peak memory consumption was 861.7MB. Max. memory is 16.1GB. * Witness Printer took 188.13ms. Allocated memory is still 1.8GB. Free memory was 749.5MB in the beginning and 737.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:02:02,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f472b8f3-1bd3-4228-857c-5f051dff33cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE