./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/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 7a5efd35608b2274a82684e59fb25c4995783dd9fff74f1e981ddde01ab75357 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:25:57,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:25:58,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:25:58,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:25:58,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:25:58,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:25:58,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:25:58,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:25:58,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:25:58,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:25:58,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:25:58,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:25:58,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:25:58,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:25:58,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:25:58,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:25:58,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:25:58,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:25:58,073 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:25:58,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:25:58,073 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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/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 -> 7a5efd35608b2274a82684e59fb25c4995783dd9fff74f1e981ddde01ab75357 [2024-11-13 20:25:58,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:25:58,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:25:58,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:25:58,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:25:58,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:25:58,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem14_label42.c Unable to find full path for "g++" [2024-11-13 20:26:00,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:26:00,692 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:26:00,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/sv-benchmarks/c/eca-rers2012/Problem14_label42.c [2024-11-13 20:26:00,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/data/e09223fbe/1a39a0d4f2084da68c7aba13e5cdc71b/FLAGcd6578202 [2024-11-13 20:26:00,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/data/e09223fbe/1a39a0d4f2084da68c7aba13e5cdc71b [2024-11-13 20:26:00,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:26:00,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:26:00,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:00,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:26:00,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:26:00,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:00" (1/1) ... [2024-11-13 20:26:00,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253f17a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:00, skipping insertion in model container [2024-11-13 20:26:00,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:26:00" (1/1) ... [2024-11-13 20:26:00,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:26:01,210 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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/sv-benchmarks/c/eca-rers2012/Problem14_label42.c[4428,4441] [2024-11-13 20:26:01,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:01,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:26:01,506 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_dbf860fc-bbc5-4cf4-835c-c56850e2755e/sv-benchmarks/c/eca-rers2012/Problem14_label42.c[4428,4441] [2024-11-13 20:26:01,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:26:01,664 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:26:01,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01 WrapperNode [2024-11-13 20:26:01,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:26:01,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:01,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:26:01,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:26:01,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,813 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-13 20:26:01,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:26:01,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:26:01,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:26:01,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:26:01,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:26:01,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:26:01,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:26:01,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:26:01,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:26:01" (1/1) ... [2024-11-13 20:26:01,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:26:01,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:26:01,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:26:01,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:26:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:26:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:26:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:26:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:26:02,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:26:02,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:26:03,785 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 20:26:03,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:26:08,678 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:26:08,679 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:26:08,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:08 BoogieIcfgContainer [2024-11-13 20:26:08,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:26:08,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:26:08,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:26:08,689 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:26:08,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:08" (1/1) ... [2024-11-13 20:26:08,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:26:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:26:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:26:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:26:08,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:09,007 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 20:26:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 20:26:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 20:26:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:26:09,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:09,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,836 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 20:26:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:31,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-13 20:26:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 20:26:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:26:31,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:09,553 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 20:27:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-11-13 20:27:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-11-13 20:27:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:27:11,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:42,086 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 20:27:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2024-11-13 20:27:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2024-11-13 20:27:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:27:42,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:42,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:57,435 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 20:28:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 44 states and 95 transitions. [2024-11-13 20:28:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 95 transitions. [2024-11-13 20:28:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:28:59,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:08,284 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 20:30:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 104 transitions. [2024-11-13 20:30:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 104 transitions. [2024-11-13 20:30:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:30:09,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:09,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:10,916 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 20:31:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 109 transitions. [2024-11-13 20:31:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 109 transitions. [2024-11-13 20:31:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:31:11,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 20:31:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 103 transitions. [2024-11-13 20:31:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 103 transitions. [2024-11-13 20:31:36,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:31:36,297 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 20:31:36,305 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:31:36,765 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-11-13 20:31:36,766 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:31:36,767 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2024-11-13 20:31:36,767 INFO L77 FloydHoareUtils]: At program point L136-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-11-13 20:31:36,767 INFO L77 FloydHoareUtils]: At program point L139-1(lines 30 882) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-11-13 20:31:36,767 INFO L75 FloydHoareUtils]: For program point L140(line 140) no Hoare annotation was computed. [2024-11-13 20:31:36,767 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-13 20:31:36,767 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:31:36,767 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a21~0 9)) (not (= ~a24~0 1)) (not (= 7 ~a15~0)) (< 0 (+ ~a12~0 43))) [2024-11-13 20:31:36,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:31:36 ImpRootNode [2024-11-13 20:31:36,792 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:31:36,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:31:36,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:31:36,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:31:36,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:26:08" (3/4) ... [2024-11-13 20:31:36,798 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:31:36,824 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2024-11-13 20:31:36,827 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 20:31:36,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:31:36,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:31:37,014 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:31:37,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:31:37,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:31:37,017 INFO L158 Benchmark]: Toolchain (without parser) took 336113.55ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 89.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 459.2MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,017 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:31:37,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.13ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 57.7MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.50ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 48.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,018 INFO L158 Benchmark]: Boogie Preprocessor took 118.54ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 42.9MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,019 INFO L158 Benchmark]: RCFGBuilder took 6741.41ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 42.9MB in the beginning and 301.2MB in the end (delta: -258.3MB). Peak memory consumption was 301.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,019 INFO L158 Benchmark]: CodeCheck took 328112.62ms. Allocated memory was 503.3MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 301.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 274.8MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,021 INFO L158 Benchmark]: Witness Printer took 222.01ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:31:37,023 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: 327.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 421 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1216 IncrementalHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 150 mSDtfsCounter, 1216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1152 GetRequests, 996 SyntacticMatches, 34 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6941 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 318.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/122 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: 140]: 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: 30]: Location Invariant Derived location invariant: ((((a21 != 9) || (a24 != 1)) || (7 != a15)) || (0 < ((long long) a12 + 43))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a21 != 9) || (a24 != 1)) || (7 != a15)) || (0 < ((long long) a12 + 43))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.13ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 57.7MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.50ms. Allocated memory is still 117.4MB. Free memory was 57.7MB in the beginning and 48.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.54ms. Allocated memory is still 117.4MB. Free memory was 48.6MB in the beginning and 42.9MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6741.41ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 42.9MB in the beginning and 301.2MB in the end (delta: -258.3MB). Peak memory consumption was 301.8MB. Max. memory is 16.1GB. * CodeCheck took 328112.62ms. Allocated memory was 503.3MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 301.2MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 274.8MB. Max. memory is 16.1GB. * Witness Printer took 222.01ms. Allocated memory is still 2.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 16.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:31:37,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf860fc-bbc5-4cf4-835c-c56850e2755e/bin/ukojak-verify-EEHR8qb7sm/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