./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/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_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/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_5e2f2475-7147-4d53-a51a-9038ea4166ca/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 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:26:35,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:26:35,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:26:35,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:26:35,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:26:35,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:26:35,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:26:35,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:26:35,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:26:35,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:26:35,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:26:35,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:26:35,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:26:35,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:26:35,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:26:35,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:26:35,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:26:35,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:26:35,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:26:35,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:26:35,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:26:35,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:35,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:26:35,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:26:35,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:26:35,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:26:35,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:26:35,268 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_5e2f2475-7147-4d53-a51a-9038ea4166ca/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 -> 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b [2024-11-13 23:26:35,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:26:35,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:26:35,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:26:35,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:26:35,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:26:35,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c Unable to find full path for "g++" [2024-11-13 23:26:37,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:26:37,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:26:37,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/sv-benchmarks/c/eca-rers2012/Problem10_label08.c [2024-11-13 23:26:37,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/data/a2dcb6179/3b7f04ec50704fcd81203dd89d72f95d/FLAG4b2dac931 [2024-11-13 23:26:37,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/data/a2dcb6179/3b7f04ec50704fcd81203dd89d72f95d [2024-11-13 23:26:37,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:26:37,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:26:37,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:37,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:26:37,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:26:37,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:37,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3676a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:37, skipping insertion in model container [2024-11-13 23:26:37,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:26:37" (1/1) ... [2024-11-13 23:26:37,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:26:38,065 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_5e2f2475-7147-4d53-a51a-9038ea4166ca/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-11-13 23:26:38,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:38,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:26:38,311 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_5e2f2475-7147-4d53-a51a-9038ea4166ca/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685] [2024-11-13 23:26:38,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:26:38,438 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:26:38,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38 WrapperNode [2024-11-13 23:26:38,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:26:38,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:38,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:26:38,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:26:38,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,554 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 23:26:38,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:26:38,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:26:38,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:26:38,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:26:38,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:26:38,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:26:38,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:26:38,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:26:38,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:26:38" (1/1) ... [2024-11-13 23:26:38,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:26:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:26:38,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:26:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:26:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:26:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:26:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:26:38,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:26:38,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:26:40,223 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 23:26:40,223 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:26:43,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:26:43,391 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:26:43,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:43 BoogieIcfgContainer [2024-11-13 23:26:43,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:26:43,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:26:43,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:26:43,404 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:26:43,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:43" (1/1) ... [2024-11-13 23:26:43,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:26:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 23:26:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 23:26:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:26:43,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:43,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:26:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 23:26:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 23:26:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:26:43,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:26:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 23:26:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 23:26:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:26:58,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:58,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-13 23:27:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-13 23:27:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:27:11,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:11,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-13 23:27:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 23:27:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:27:28,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:27:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2024-11-13 23:27:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-13 23:27:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:27:39,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:27:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 23:27:53,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 23:27:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 23:27:53,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:27:53,598 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:27:53,611 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:27:53,994 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-13 23:27:53,995 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 23:27:53,995 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:27:53,995 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:27:53,996 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< 6 ~a19~0) .cse0 .cse1) (and (or (< ~a19~0 6) (not (= ~a10~0 2)) (< (+ ~a1~0 13) 0)) .cse0 .cse1))) [2024-11-13 23:27:53,996 INFO L77 FloydHoareUtils]: At program point L130-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-11-13 23:27:53,996 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2024-11-13 23:27:53,997 INFO L77 FloydHoareUtils]: At program point L133-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (not (= ~a10~0 2)) (< (+ ~a1~0 12) 0) (< 38 ~a1~0)) (= 14 ~a4~0) (or .cse0 (not (= ~a10~0 0)) (< 0 (+ ~a1~0 13))) (= ~a12~0 0))) [2024-11-13 23:27:53,997 INFO L75 FloydHoareUtils]: For program point L134(line 134) no Hoare annotation was computed. [2024-11-13 23:27:54,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:27:54 ImpRootNode [2024-11-13 23:27:54,015 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:27:54,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:27:54,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:27:54,016 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:27:54,018 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:26:43" (3/4) ... [2024-11-13 23:27:54,021 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:27:54,048 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2024-11-13 23:27:54,049 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 23:27:54,051 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:27:54,052 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:27:54,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:27:54,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:27:54,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:27:54,218 INFO L158 Benchmark]: Toolchain (without parser) took 76440.11ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 117.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 709.5MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,219 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:54,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.56ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 90.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.14ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 82.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,220 INFO L158 Benchmark]: Boogie Preprocessor took 96.14ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 78.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,221 INFO L158 Benchmark]: RCFGBuilder took 4738.09ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 78.0MB in the beginning and 200.5MB in the end (delta: -122.5MB). Peak memory consumption was 185.8MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,221 INFO L158 Benchmark]: CodeCheck took 70621.73ms. Allocated memory was 352.3MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 200.5MB in the beginning and 1.1GB in the end (delta: -939.3MB). Peak memory consumption was 574.1MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,222 INFO L158 Benchmark]: Witness Printer took 200.25ms. Allocated memory is still 1.9GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:27:54,225 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: 70.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 435 IncrementalHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 86 mSDtfsCounter, 435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 585 SyntacticMatches, 32 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2583 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 65.9s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 134]: 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: ((((6 < a19) && (14 == a4)) && (a12 == 0)) || (((((a19 < 6) || (a10 != 2)) || (((long long) a1 + 13) < 0)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((((a19 != 6) || (a10 != 2)) || (((long long) a1 + 12) < 0)) || (38 < a1)) && (14 == a4)) && (((a19 != 6) || (a10 != 0)) || (0 < ((long long) a1 + 13)))) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.56ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 90.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.14ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 82.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.14ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 78.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4738.09ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 78.0MB in the beginning and 200.5MB in the end (delta: -122.5MB). Peak memory consumption was 185.8MB. Max. memory is 16.1GB. * CodeCheck took 70621.73ms. Allocated memory was 352.3MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 200.5MB in the beginning and 1.1GB in the end (delta: -939.3MB). Peak memory consumption was 574.1MB. Max. memory is 16.1GB. * Witness Printer took 200.25ms. Allocated memory is still 1.9GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:27:54,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2f2475-7147-4d53-a51a-9038ea4166ca/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE