./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b --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 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:14:48,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:14:48,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:14:48,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:14:48,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:14:48,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:14:48,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:14:48,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:14:48,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:14:48,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:14:48,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:14:48,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:14:48,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:14:48,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:14:48,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:48,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:14:48,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:14:48,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:14:48,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:14:48,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:14:48,912 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_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b 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 -> 1604fff8c37e815a1951aa4b9b7ab6405ba084cc13d6cad3477e1ac67980b1be [2024-12-06 00:14:49,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:14:49,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:14:49,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:14:49,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:14:49,134 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:14:49,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2024-12-06 00:14:51,761 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/data/e68f2f898/31a14eccdcb64ca38dfe95277469a20d/FLAGae989dfad [2024-12-06 00:14:52,012 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:14:52,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2024-12-06 00:14:52,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/data/e68f2f898/31a14eccdcb64ca38dfe95277469a20d/FLAGae989dfad [2024-12-06 00:14:52,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/data/e68f2f898/31a14eccdcb64ca38dfe95277469a20d [2024-12-06 00:14:52,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:14:52,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:14:52,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:52,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:14:52,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:14:52,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f9aea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52, skipping insertion in model container [2024-12-06 00:14:52,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:14:52,501 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_1d192f52-8581-4a22-b13b-a195bc4d0387/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2024-12-06 00:14:52,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:52,604 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:14:52,624 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_1d192f52-8581-4a22-b13b-a195bc4d0387/sv-benchmarks/c/eca-rers2012/Problem10_label07.c[5227,5240] [2024-12-06 00:14:52,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:14:52,692 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:14:52,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52 WrapperNode [2024-12-06 00:14:52,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:14:52,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:52,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:14:52,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:14:52,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,755 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 00:14:52,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:14:52,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:14:52,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:14:52,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:14:52,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,787 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:14:52,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:14:52,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:14:52,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:14:52,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:52" (1/1) ... [2024-12-06 00:14:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:14:52,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:14:52,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:14:52,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:14:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:14:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:14:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:14:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:14:52,910 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:14:52,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:14:53,813 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 00:14:53,814 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:14:55,819 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:14:55,819 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:14:55,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:55 BoogieIcfgContainer [2024-12-06 00:14:55,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:14:55,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:14:55,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:14:55,828 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:14:55,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:55" (1/1) ... [2024-12-06 00:14:55,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:14:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 00:14:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 00:14:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:14:55,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:55,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:14:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 00:14:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 00:14:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:14:56,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:56,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:14:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 00:15:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 00:15:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:15:05,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2024-12-06 00:15:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2024-12-06 00:15:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:15:19,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:19,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 00:15:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2024-12-06 00:15:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2024-12-06 00:15:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:15:27,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:27,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 00:15:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2024-12-06 00:15:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2024-12-06 00:15:37,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 00:15:37,403 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 00:15:37,408 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 00:15:37,657 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 37 ~a1~0) (not (= ~a10~0 2))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point L145-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point L148-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (not (= ~a10~0 2)) (< 38 ~a1~0)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 00:15:37,658 INFO L75 FloydHoareUtils]: For program point L149(line 149) no Hoare annotation was computed. [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 00:15:37,658 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 37 ~a1~0) (not (= ~a10~0 2))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-12-06 00:15:37,658 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 149) no Hoare annotation was computed. [2024-12-06 00:15:37,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:15:37 ImpRootNode [2024-12-06 00:15:37,669 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:15:37,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:15:37,669 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:15:37,669 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:15:37,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:55" (3/4) ... [2024-12-06 00:15:37,672 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 00:15:37,684 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-06 00:15:37,685 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 00:15:37,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 00:15:37,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 00:15:37,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:15:37,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:15:37,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:15:37,790 INFO L158 Benchmark]: Toolchain (without parser) took 45456.34ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 115.6MB in the beginning and 747.5MB in the end (delta: -631.9MB). Peak memory consumption was 539.0MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,790 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:37,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.15ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 88.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.64ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 80.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,791 INFO L158 Benchmark]: Boogie Preprocessor took 60.45ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,791 INFO L158 Benchmark]: RCFGBuilder took 3002.48ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 75.9MB in the beginning and 223.5MB in the end (delta: -147.6MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,792 INFO L158 Benchmark]: CodeCheck took 41848.58ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 897.6MB). Free memory was 223.5MB in the beginning and 759.7MB in the end (delta: -536.3MB). Peak memory consumption was 365.2MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,792 INFO L158 Benchmark]: Witness Printer took 119.88ms. Allocated memory is still 1.3GB. Free memory was 759.7MB in the beginning and 747.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:15:37,794 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: 41.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 69 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 470 SyntacticMatches, 14 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2214 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 22/44 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 149]: 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) || (37 < a1)) || (a10 != 2)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a10 != 2)) || (38 < a1)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.15ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 88.0MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.64ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 80.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.45ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3002.48ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 75.9MB in the beginning and 223.5MB in the end (delta: -147.6MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. * CodeCheck took 41848.58ms. Allocated memory was 419.4MB in the beginning and 1.3GB in the end (delta: 897.6MB). Free memory was 223.5MB in the beginning and 759.7MB in the end (delta: -536.3MB). Peak memory consumption was 365.2MB. Max. memory is 16.1GB. * Witness Printer took 119.88ms. Allocated memory is still 1.3GB. Free memory was 759.7MB in the beginning and 747.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 00:15:37,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d192f52-8581-4a22-b13b-a195bc4d0387/bin/ukojak-verify-CZk0znPC7b/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 Writing output log to file Ultimate.log Result: TRUE