./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.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_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/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_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/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_68d503aa-0083-4dc6-afe3-0d2859289d29/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 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:49,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:49,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:41:49,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:41:49,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:41:49,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:49,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:49,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:49,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:49,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:49,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:49,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:49,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:49,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:49,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:41:49,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:49,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:49,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:49,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:49,802 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:49,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:49,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:49,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:49,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:49,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:49,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:41:49,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:41:49,804 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_68d503aa-0083-4dc6-afe3-0d2859289d29/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 -> 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c [2024-11-13 20:41:50,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:50,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:50,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:50,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:50,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:50,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 20:41:52,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:52,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:52,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c [2024-11-13 20:41:52,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/d44d4dc4c/b14b1a38c8bd4996ae39bb2492036f36/FLAGcb855c755 [2024-11-13 20:41:52,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/d44d4dc4c/b14b1a38c8bd4996ae39bb2492036f36 [2024-11-13 20:41:52,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:52,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:52,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:52,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:52,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:52,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536f5dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52, skipping insertion in model container [2024-11-13 20:41:52,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:52,538 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_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-13 20:41:52,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:52,564 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:52,574 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_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-13 20:41:52,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:52,592 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:52,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52 WrapperNode [2024-11-13 20:41:52,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:52,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:52,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:52,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:52,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,623 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-13 20:41:52,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:52,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:52,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:52,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:52,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:52,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:52,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:52,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:52,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:52" (1/1) ... [2024-11-13 20:41:52,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:52,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:52,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:52,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:52,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:41:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:52,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:52,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:41:52,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:41:52,815 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:52,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:52,976 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:52,976 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:41:53,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:41:53,003 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:41:53,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:53 BoogieIcfgContainer [2024-11-13 20:41:53,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:41:53,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:41:53,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:41:53,016 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:41:53,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:53" (1/1) ... [2024-11-13 20:41:53,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:41:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 20:41:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 20:41:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:41:53,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:41:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:53,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:41:53,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:41:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:41:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 20:41:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 20:41:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:41:53,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:41:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-13 20:41:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 20:41:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:54,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:41:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:54,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 20:41:54,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:41:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:41:58,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:41:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:59,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-13 20:41:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 20:41:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:41:59,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:41:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:59,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:41:59,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:00,150 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:42:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 43 transitions. [2024-11-13 20:42:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 20:42:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:42:12,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:12,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:12,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:42:12,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:42:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 48 transitions. [2024-11-13 20:42:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-13 20:42:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:42:29,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:29,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:42:29,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:43:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 53 transitions. [2024-11-13 20:43:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 20:43:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 20:43:00,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:00,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:43:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:00,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:43:00,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 20:43:28,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 58 transitions. [2024-11-13 20:43:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 20:43:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 20:43:28,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:28,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:43:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:28,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:43:28,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:29,170 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 20:43:58,888 WARN L286 SmtUtils]: Spent 11.88s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:44:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 63 transitions. [2024-11-13 20:44:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2024-11-13 20:44:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:44:05,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:05,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:05,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:44:05,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 16 proven. 94 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 20:44:36,680 WARN L286 SmtUtils]: Spent 16.03s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:44:51,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:44:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 68 transitions. [2024-11-13 20:44:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 20:44:58,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 20:44:58,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:58,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:58,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 20:44:58,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 101 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 20:45:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 73 transitions. [2024-11-13 20:45:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 20:45:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 20:45:45,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:45,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:45,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 20:45:45,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 127 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 20:46:26,241 WARN L286 SmtUtils]: Spent 24.15s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:47:00,014 WARN L286 SmtUtils]: Spent 22.55s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:47:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 78 transitions. [2024-11-13 20:47:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 20:47:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 20:47:34,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:34,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:34,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 20:47:34,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 20:48:06,754 WARN L286 SmtUtils]: Spent 10.33s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:48:49,416 WARN L286 SmtUtils]: Spent 20.74s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:49:16,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:49:27,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:49:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 83 transitions. [2024-11-13 20:49:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-11-13 20:49:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 20:49:27,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:27,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 20:49:27,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 22 proven. 188 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-13 20:50:28,969 WARN L286 SmtUtils]: Spent 28.77s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:51:54,837 WARN L286 SmtUtils]: Spent 17.20s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:52:00,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:52:59,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:53:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 88 transitions. [2024-11-13 20:53:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-13 20:53:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 20:53:01,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:01,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:53:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:01,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-13 20:53:01,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 93 proven. 235 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-13 20:56:27,521 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 20:56:27,522 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.conjugatePredicates(CodeChecker.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-11-13 20:56:27,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-13 20:56:27,528 INFO L158 Benchmark]: Toolchain (without parser) took 875174.50ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 93.3MB in the beginning and 84.5MB in the end (delta: 8.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-13 20:56:27,529 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:27,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.78ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:27,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.35ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:27,529 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.2MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:27,530 INFO L158 Benchmark]: RCFGBuilder took 348.24ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 69.3MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:27,530 INFO L158 Benchmark]: CodeCheck took 874522.89ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 84.5MB in the end (delta: -15.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-13 20:56:27,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.78ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.35ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.2MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.24ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 69.3MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 874522.89ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 69.3MB in the beginning and 84.5MB in the end (delta: -15.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/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_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/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 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:29,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:30,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:56:30,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:30,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:30,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:30,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:30,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:30,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:30,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:56:30,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:30,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:30,075 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:56:30,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:30,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:30,076 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:56:30,077 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_68d503aa-0083-4dc6-afe3-0d2859289d29/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 -> 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c [2024-11-13 20:56:30,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:30,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:30,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:30,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:30,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:30,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c Unable to find full path for "g++" [2024-11-13 20:56:32,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:32,695 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:32,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c [2024-11-13 20:56:32,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/de089fd88/60b5f569247a486faf9b3cddcd4fb7ef/FLAG2bdc81a8d [2024-11-13 20:56:32,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/data/de089fd88/60b5f569247a486faf9b3cddcd4fb7ef [2024-11-13 20:56:32,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:32,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:32,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:32,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:32,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:32,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:32" (1/1) ... [2024-11-13 20:56:32,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13257f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:32, skipping insertion in model container [2024-11-13 20:56:32,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:32" (1/1) ... [2024-11-13 20:56:32,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:32,992 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_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-13 20:56:33,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:33,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:33,044 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_68d503aa-0083-4dc6-afe3-0d2859289d29/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-13 20:56:33,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:33,078 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33 WrapperNode [2024-11-13 20:56:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:33,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:33,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:33,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:33,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,116 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-13 20:56:33,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:33,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:33,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:33,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:33,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,130 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:33,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:33,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:33,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:33,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:33,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:33,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:56:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:56:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:56:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:56:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:56:33,279 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:33,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:33,602 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:33,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:33,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:33,638 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:56:33,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:33 BoogieIcfgContainer [2024-11-13 20:56:33,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:33,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:33,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:33,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:33,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:33" (1/1) ... [2024-11-13 20:56:33,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 20:56:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 20:56:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:56:33,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:33,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:33,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:33,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:33,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:56:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:34,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:34,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:56:34,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:56:34,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2024-11-13 20:56:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 20:56:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:56:35,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:35,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:35,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:35,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:35,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:56:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:35,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:35,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:56:35,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:56:38,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 35 transitions. [2024-11-13 20:56:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 20:56:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:56:44,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:44,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:44,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:44,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:56:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:45,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:45,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:56:45,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:56:45,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:56:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 42 transitions. [2024-11-13 20:56:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-13 20:56:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:56:57,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:57,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:57,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:57,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:57,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:56:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:57,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:58,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 20:56:58,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 20:57:01,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68d503aa-0083-4dc6-afe3-0d2859289d29/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0