./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.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_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/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_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/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_9141a9d9-0636-454a-8977-be75610cb730/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 6b49fbf439c6d5cf33b5a144a2382feff3c2b3eeb58f6496beb37cacb5d6cd07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:22,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:22,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:00:22,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:00:22,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:00:22,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:22,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:22,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:22,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:22,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:22,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:22,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:22,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:22,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:00:22,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:22,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:22,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:22,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:22,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:22,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:22,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:22,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:22,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:22,484 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:22,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:22,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:22,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:22,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:22,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:22,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:22,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:22,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:00:22,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:00:22,485 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_9141a9d9-0636-454a-8977-be75610cb730/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 -> 6b49fbf439c6d5cf33b5a144a2382feff3c2b3eeb58f6496beb37cacb5d6cd07 [2024-11-13 22:00:22,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:22,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:22,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:22,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:22,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:22,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label00.c Unable to find full path for "g++" [2024-11-13 22:00:25,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:25,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:25,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2024-11-13 22:00:25,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/data/0108b5b14/265d7eb136b2428d910b22505980fcf3/FLAG35a241e14 [2024-11-13 22:00:25,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/data/0108b5b14/265d7eb136b2428d910b22505980fcf3 [2024-11-13 22:00:25,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:25,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:25,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:25,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:25,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:25,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:25" (1/1) ... [2024-11-13 22:00:25,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1e6c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:25, skipping insertion in model container [2024-11-13 22:00:25,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:25" (1/1) ... [2024-11-13 22:00:25,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:26,136 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_9141a9d9-0636-454a-8977-be75610cb730/sv-benchmarks/c/eca-rers2012/Problem10_label00.c[5445,5458] [2024-11-13 22:00:26,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:26,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:26,386 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_9141a9d9-0636-454a-8977-be75610cb730/sv-benchmarks/c/eca-rers2012/Problem10_label00.c[5445,5458] [2024-11-13 22:00:26,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:26,593 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:26,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26 WrapperNode [2024-11-13 22:00:26,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:26,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:26,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:26,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:26,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,720 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 22:00:26,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:26,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:26,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:26,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:26,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:26,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:26,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:26,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:26,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:26" (1/1) ... [2024-11-13 22:00:26,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:26,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:26,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:00:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:26,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:26,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:28,825 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:28,825 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:32,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:32,389 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:00:32,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:32 BoogieIcfgContainer [2024-11-13 22:00:32,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:32,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:32,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:32,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:32,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:32" (1/1) ... [2024-11-13 22:00:32,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:00:32,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:00:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:00:32,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,841 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 22:00:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:00:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:00:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:00:32,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:51,566 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 22:00:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:00:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:00:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:00:51,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:15,673 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 22:01:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 22:01:16,749 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 22:01:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:01:16,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:16,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:32,127 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 22:01:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2024-11-13 22:01:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-13 22:01:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:32,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-13 22:01:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 22:01:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:01:46,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:01:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-13 22:01:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-13 22:01:59,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:01:59,192 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:01:59,205 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:01:59,727 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< ~a19~0 6) .cse0 .cse1) (and .cse0 .cse1 (< (+ ~a1~0 13) 0)) (and (or (not (= ~a10~0 0)) (< 117 ~a1~0)) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-13 22:01:59,728 INFO L77 FloydHoareUtils]: At program point L151-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 38 ~a1~0) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 22:01:59,729 INFO L77 FloydHoareUtils]: At program point L154-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< 38 ~a1~0) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-13 22:01:59,730 INFO L75 FloydHoareUtils]: For program point L155(line 155) no Hoare annotation was computed. [2024-11-13 22:01:59,730 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 22:01:59,730 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:01:59,730 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:01:59,731 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 (< ~a19~0 6) .cse0 .cse1) (and .cse0 .cse1 (< (+ ~a1~0 13) 0)) (and (or (not (= ~a10~0 0)) (< 117 ~a1~0)) .cse0 .cse1) (and (< 6 ~a19~0) .cse0 .cse1))) [2024-11-13 22:01:59,731 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2024-11-13 22:01:59,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:01:59 ImpRootNode [2024-11-13 22:01:59,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:01:59,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:01:59,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:01:59,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:01:59,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:32" (3/4) ... [2024-11-13 22:01:59,770 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:01:59,802 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 22:01:59,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 22:01:59,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:01:59,807 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:02:00,039 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:02:00,040 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:02:00,040 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:02:00,041 INFO L158 Benchmark]: Toolchain (without parser) took 94291.20ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 89.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 536.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,042 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:02:00,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.97ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 62.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.95ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 55.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,043 INFO L158 Benchmark]: Boogie Preprocessor took 86.98ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 50.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,045 INFO L158 Benchmark]: RCFGBuilder took 5580.88ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 50.7MB in the beginning and 163.8MB in the end (delta: -113.0MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,046 INFO L158 Benchmark]: CodeCheck took 87371.15ms. Allocated memory was 293.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 163.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 426.3MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,048 INFO L158 Benchmark]: Witness Printer took 276.80ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:02:00,052 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: 86.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 452 IncrementalHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 86 mSDtfsCounter, 452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 692 GetRequests, 584 SyntacticMatches, 30 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3172 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 81.8s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 30/65 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: 155]: 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) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (a12 == 0)) && (((long long) a1 + 13) < 0))) || ((((a10 != 0) || (117 < a1)) && (14 == a4)) && (a12 == 0))) || (((6 < a19) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (38 < a1)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.97ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 62.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.95ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 55.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.98ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 50.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5580.88ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 50.7MB in the beginning and 163.8MB in the end (delta: -113.0MB). Peak memory consumption was 152.1MB. Max. memory is 16.1GB. * CodeCheck took 87371.15ms. Allocated memory was 293.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 163.8MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 426.3MB. Max. memory is 16.1GB. * Witness Printer took 276.80ms. Allocated memory is still 1.7GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:02:00,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9141a9d9-0636-454a-8977-be75610cb730/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