./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label14.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_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/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_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/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_c19b3bc4-0c60-470d-883c-7089f31664dd/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 44291f101ed3e7fb4c7970a4074f60b073a885b55c43de2ec3cb5a39e62e8317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:16,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:16,503 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:58:16,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:16,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:16,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:16,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:16,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:16,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:16,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:16,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:16,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:16,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:58:16,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:16,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:58:16,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:58:16,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:16,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:16,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:16,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:16,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:16,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:16,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:16,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:16,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:16,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:16,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:16,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:16,544 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_c19b3bc4-0c60-470d-883c-7089f31664dd/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 -> 44291f101ed3e7fb4c7970a4074f60b073a885b55c43de2ec3cb5a39e62e8317 [2024-11-13 22:58:16,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:16,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:16,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:16,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:16,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:16,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label14.c Unable to find full path for "g++" [2024-11-13 22:58:19,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:19,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:19,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/sv-benchmarks/c/eca-rers2012/Problem10_label14.c [2024-11-13 22:58:19,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/data/38a122fc9/7fc24442ae544224b9f5c4a45ddc32a6/FLAGcfa012a5b [2024-11-13 22:58:19,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/data/38a122fc9/7fc24442ae544224b9f5c4a45ddc32a6 [2024-11-13 22:58:19,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:19,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:19,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:19,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:19,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:19,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:19" (1/1) ... [2024-11-13 22:58:19,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fd2ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:19, skipping insertion in model container [2024-11-13 22:58:19,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:19" (1/1) ... [2024-11-13 22:58:19,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:20,026 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_c19b3bc4-0c60-470d-883c-7089f31664dd/sv-benchmarks/c/eca-rers2012/Problem10_label14.c[3703,3716] [2024-11-13 22:58:20,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:20,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:20,284 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_c19b3bc4-0c60-470d-883c-7089f31664dd/sv-benchmarks/c/eca-rers2012/Problem10_label14.c[3703,3716] [2024-11-13 22:58:20,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:20,427 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:20,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20 WrapperNode [2024-11-13 22:58:20,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:20,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:20,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:20,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:20,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,529 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:58:20,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:20,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:20,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:20,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:20,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:20,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:20,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:20,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:20,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:20" (1/1) ... [2024-11-13 22:58:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:20,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:20,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:20,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:58:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:20,844 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:20,846 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:22,720 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:22,720 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:26,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:26,806 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:58:26,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26 BoogieIcfgContainer [2024-11-13 22:58:26,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:26,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:26,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:26,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:26,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26" (1/1) ... [2024-11-13 22:58:26,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:58:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:58:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:58:26,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:27,281 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 22:58:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:27,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:58:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:58:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:58:27,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:43,832 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 22:58:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:58:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:58:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:58:44,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:06,042 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 22:59:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-13 22:59:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-13 22:59:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:59:06,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:06,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:24,283 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 22:59:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-13 22:59:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-13 22:59:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:59:24,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:59:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-13 22:59:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-13 22:59:40,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:59:40,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:59:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2024-11-13 22:59:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2024-11-13 22:59:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:59:53,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:00:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:00:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-13 23:00:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-13 23:00:07,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:00:07,655 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 23:00:07,666 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:00:08,211 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:00:08,211 INFO L77 FloydHoareUtils]: At program point L103-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= ~a1~0 23) .cse0 .cse1) (let ((.cse2 (not (= ~a19~0 6))) (.cse3 (not (= ~a10~0 3)))) (and (or .cse2 (< ~a1~0 219) .cse3) (or .cse2 (< 38 ~a1~0) .cse3) .cse0 .cse1)))) [2024-11-13 23:00:08,212 INFO L77 FloydHoareUtils]: At program point L106-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:00:08,212 INFO L75 FloydHoareUtils]: For program point L107(line 107) no Hoare annotation was computed. [2024-11-13 23:00:08,212 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 23:00:08,212 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:00:08,212 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:00:08,213 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 3))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 23:00:08,213 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2024-11-13 23:00:08,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:00:08 ImpRootNode [2024-11-13 23:00:08,230 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:00:08,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:00:08,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:00:08,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:00:08,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:26" (3/4) ... [2024-11-13 23:00:08,236 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:00:08,254 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 23:00:08,255 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 23:00:08,257 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:00:08,258 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:00:08,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:00:08,456 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:00:08,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:00:08,457 INFO L158 Benchmark]: Toolchain (without parser) took 108755.30ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.8MB in the beginning and 662.5MB in the end (delta: -545.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 23:00:08,459 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:00:08,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.35ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 89.9MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:00:08,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.20ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 81.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:08,461 INFO L158 Benchmark]: Boogie Preprocessor took 107.18ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 76.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:08,462 INFO L158 Benchmark]: RCFGBuilder took 6168.55ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 76.5MB in the beginning and 385.8MB in the end (delta: -309.3MB). Peak memory consumption was 161.5MB. Max. memory is 16.1GB. [2024-11-13 23:00:08,462 INFO L158 Benchmark]: CodeCheck took 101422.79ms. Allocated memory was 503.3MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 385.8MB in the beginning and 675.2MB in the end (delta: -289.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 23:00:08,464 INFO L158 Benchmark]: Witness Printer took 224.43ms. Allocated memory is still 1.8GB. Free memory was 675.2MB in the beginning and 662.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:00:08,470 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: 100.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 259 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 563 IncrementalHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 105 mSDtfsCounter, 563 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 842 GetRequests, 733 SyntacticMatches, 41 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2266 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 96.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 921 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/86 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: 107]: 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) || (a1 < 219)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a1 < 219)) || (a10 != 3)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.35ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 89.9MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.20ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 81.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.18ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 76.5MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6168.55ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 76.5MB in the beginning and 385.8MB in the end (delta: -309.3MB). Peak memory consumption was 161.5MB. Max. memory is 16.1GB. * CodeCheck took 101422.79ms. Allocated memory was 503.3MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 385.8MB in the beginning and 675.2MB in the end (delta: -289.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 224.43ms. Allocated memory is still 1.8GB. Free memory was 675.2MB in the beginning and 662.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:00:08,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19b3bc4-0c60-470d-883c-7089f31664dd/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