./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 5f206e2da9009e99724d07131dacb1c67dc9dd7f3d04f137f293386ca4cfc8ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:31,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:31,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:34:31,444 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:34:31,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:34:31,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:31,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:31,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:31,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:31,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:31,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:31,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:31,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:31,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:34:31,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:34:31,466 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_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f206e2da9009e99724d07131dacb1c67dc9dd7f3d04f137f293386ca4cfc8ff [2024-12-05 23:34:31,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:31,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:31,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:31,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:31,704 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:31,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c [2024-12-05 23:34:34,322 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/3dd114df9/6993e61516c342b2a7be2b081c1a9075/FLAG4f2562cf9 [2024-12-05 23:34:34,667 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:34,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c [2024-12-05 23:34:34,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/3dd114df9/6993e61516c342b2a7be2b081c1a9075/FLAG4f2562cf9 [2024-12-05 23:34:34,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/3dd114df9/6993e61516c342b2a7be2b081c1a9075 [2024-12-05 23:34:34,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:34,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:34,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:34,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:34,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:34,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:34" (1/1) ... [2024-12-05 23:34:34,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64653251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:34, skipping insertion in model container [2024-12-05 23:34:34,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:34" (1/1) ... [2024-12-05 23:34:34,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:34,923 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_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c[1176,1189] [2024-12-05 23:34:35,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:35,384 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:35,391 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_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c[1176,1189] [2024-12-05 23:34:35,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:35,686 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:35,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35 WrapperNode [2024-12-05 23:34:35,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:35,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:35,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:35,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:35,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:35,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:36,695 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14074 [2024-12-05 23:34:36,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:36,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:36,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:36,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:36,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:36,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:36,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:36,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:37,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:37,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:37,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:37,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:35" (1/1) ... [2024-12-05 23:34:37,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:37,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:37,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:37,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:34:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:38,607 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:38,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:56,642 INFO L? ?]: Removed 8018 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:56,642 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:18,358 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:18,358 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:35:18,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:18 BoogieIcfgContainer [2024-12-05 23:35:18,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:18,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:18,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:18,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:18,366 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:18" (1/1) ... [2024-12-05 23:35:18,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:18,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:35:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:35:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:35:18,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:35:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:35:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:35:30,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:35:40,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:35:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:40,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:35:40,913 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:35:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:35:40,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:42:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:42:29,287 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) 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) [2024-12-05 23:42:29,293 INFO L158 Benchmark]: Toolchain (without parser) took 474593.46ms. Allocated memory was 117.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 86.7MB in the beginning and 320.6MB in the end (delta: -234.0MB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-12-05 23:42:29,294 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:42:29,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.23ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 86.5MB in the beginning and 95.7MB in the end (delta: -9.2MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2024-12-05 23:42:29,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 1007.68ms. Allocated memory was 192.9MB in the beginning and 419.4MB in the end (delta: 226.5MB). Free memory was 95.7MB in the beginning and 123.1MB in the end (delta: -27.4MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. [2024-12-05 23:42:29,296 INFO L158 Benchmark]: Boogie Preprocessor took 1109.92ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 123.1MB in the beginning and 647.2MB in the end (delta: -524.1MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2024-12-05 23:42:29,296 INFO L158 Benchmark]: RCFGBuilder took 40551.96ms. Allocated memory was 1.0GB in the beginning and 1.9GB in the end (delta: 838.9MB). Free memory was 647.2MB in the beginning and 1.0GB in the end (delta: -398.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 23:42:29,297 INFO L158 Benchmark]: CodeCheck took 430932.33ms. Allocated memory was 1.9GB in the beginning and 2.7GB in the end (delta: 864.0MB). Free memory was 1.0GB in the beginning and 320.6MB in the end (delta: 724.9MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-05 23:42:29,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.23ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 86.5MB in the beginning and 95.7MB in the end (delta: -9.2MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1007.68ms. Allocated memory was 192.9MB in the beginning and 419.4MB in the end (delta: 226.5MB). Free memory was 95.7MB in the beginning and 123.1MB in the end (delta: -27.4MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1109.92ms. Allocated memory was 419.4MB in the beginning and 1.0GB in the end (delta: 620.8MB). Free memory was 123.1MB in the beginning and 647.2MB in the end (delta: -524.1MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * RCFGBuilder took 40551.96ms. Allocated memory was 1.0GB in the beginning and 1.9GB in the end (delta: 838.9MB). Free memory was 647.2MB in the beginning and 1.0GB in the end (delta: -398.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 430932.33ms. Allocated memory was 1.9GB in the beginning and 2.7GB in the end (delta: 864.0MB). Free memory was 1.0GB in the beginning and 320.6MB in the end (delta: 724.9MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:42:29,515 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:42:29,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 5f206e2da9009e99724d07131dacb1c67dc9dd7f3d04f137f293386ca4cfc8ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:42:31,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:42:31,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:42:31,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:42:31,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:42:31,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:42:31,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:42:31,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:42:31,641 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:42:31,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:42:31,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:42:31,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:31,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:42:31,643 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:31,644 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:42:31,644 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_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f206e2da9009e99724d07131dacb1c67dc9dd7f3d04f137f293386ca4cfc8ff [2024-12-05 23:42:31,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:42:31,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:42:31,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:42:31,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:42:31,894 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:42:31,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c [2024-12-05 23:42:34,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/66ed36b90/f752241a44874e5e8b4d8d934b2f9fd8/FLAG99687a1fa [2024-12-05 23:42:34,936 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:42:34,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c [2024-12-05 23:42:34,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/66ed36b90/f752241a44874e5e8b4d8d934b2f9fd8/FLAG99687a1fa [2024-12-05 23:42:34,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/data/66ed36b90/f752241a44874e5e8b4d8d934b2f9fd8 [2024-12-05 23:42:34,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:42:34,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:42:34,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:34,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:42:34,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:42:34,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:34" (1/1) ... [2024-12-05 23:42:34,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203f5e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:34, skipping insertion in model container [2024-12-05 23:42:34,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:42:34" (1/1) ... [2024-12-05 23:42:35,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:42:35,189 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_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c[1176,1189] [2024-12-05 23:42:35,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:35,548 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:42:35,555 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_6269800b-8a43-4b89-befe-0e8debdf46f2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.4.prop2-func-interl.c[1176,1189] [2024-12-05 23:42:35,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:42:35,741 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:42:35,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35 WrapperNode [2024-12-05 23:42:35,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:42:35,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:35,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:42:35,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:42:35,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:35,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:35,943 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4438 [2024-12-05 23:42:35,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:42:35,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:42:35,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:42:35,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:42:35,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:35,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:35,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:35,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:42:36,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:42:36,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:42:36,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:42:36,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:42:35" (1/1) ... [2024-12-05 23:42:36,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:42:36,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:42:36,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:42:36,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:42:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:42:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:42:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:42:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:42:36,813 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:42:36,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:42:41,076 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-12-05 23:42:41,076 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:42:41,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:42:41,168 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:42:41,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:41 BoogieIcfgContainer [2024-12-05 23:42:41,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:42:41,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:42:41,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:42:41,176 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:42:41,176 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:42:41" (1/1) ... [2024-12-05 23:42:41,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:42:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:42:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:42:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:42:41,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:41,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:41,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:41,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:41,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:42:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:42,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:42,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:42:42,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:42,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:42:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:42:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:42:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:42:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:42:43,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:42:43,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:42:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:42:43,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:42:43,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269800b-8a43-4b89-befe-0e8debdf46f2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:42:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:45,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:42:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:42:46,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:42:46,201 INFO L279 TraceCheckSpWp]: Computing forward predicates...