./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.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_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/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_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/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_e54fcf2b-67db-41b8-a04d-1c92f811878f/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 12aaa6662b633240d80cea52d5e3ff171994fb8d2358f08bbb5543824efbc63f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:40:03,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:40:03,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:40:03,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:40:03,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:40:03,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:40:03,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:40:03,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:40:03,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:40:03,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:40:03,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:40:03,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:40:03,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:40:03,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:40:03,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:40:03,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:40:03,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:40:03,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:40:03,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:40:03,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:40:03,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:40:03,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:40:03,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:40:03,328 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/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 -> 12aaa6662b633240d80cea52d5e3ff171994fb8d2358f08bbb5543824efbc63f [2024-12-06 04:40:03,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:40:03,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:40:03,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:40:03,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:40:03,582 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:40:03,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c [2024-12-06 04:40:06,439 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/964918623/549f12036f8b47e899e3c7c7716a7d91/FLAGb1e2322ba [2024-12-06 04:40:06,791 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:40:06,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c [2024-12-06 04:40:06,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/964918623/549f12036f8b47e899e3c7c7716a7d91/FLAGb1e2322ba [2024-12-06 04:40:06,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/964918623/549f12036f8b47e899e3c7c7716a7d91 [2024-12-06 04:40:06,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:40:06,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:40:06,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:40:06,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:40:06,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:40:06,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:40:06" (1/1) ... [2024-12-06 04:40:06,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c50d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:06, skipping insertion in model container [2024-12-06 04:40:06,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:40:06" (1/1) ... [2024-12-06 04:40:06,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:40:07,105 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c[1175,1188] [2024-12-06 04:40:07,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:40:07,493 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:40:07,504 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c[1175,1188] [2024-12-06 04:40:07,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:40:07,743 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:40:07,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07 WrapperNode [2024-12-06 04:40:07,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:40:07,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:40:07,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:40:07,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:40:07,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:07,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:08,573 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9041 [2024-12-06 04:40:08,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:40:08,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:40:08,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:40:08,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:40:08,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:08,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:08,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:08,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:40:09,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:40:09,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:40:09,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:40:09,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:07" (1/1) ... [2024-12-06 04:40:09,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:40:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:40:09,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:40:09,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:40:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:40:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:40:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:40:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:40:10,065 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:40:10,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:40:23,144 INFO L? ?]: Removed 4993 outVars from TransFormulas that were not future-live. [2024-12-06 04:40:23,144 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:40:37,615 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:40:37,616 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:40:37,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:40:37 BoogieIcfgContainer [2024-12-06 04:40:37,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:40:37,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:40:37,617 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:40:37,626 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:40:37,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:40:37" (1/1) ... [2024-12-06 04:40:37,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:40:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:40:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:40:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:40:37,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:40:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:40:52,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:41:02,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:41:08,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:41:12,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:41:23,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:41:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:41:23,596 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:41:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:41:23,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:44:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:44:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:44:54,642 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) [2024-12-06 04:44:54,645 INFO L158 Benchmark]: Toolchain (without parser) took 287811.65ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 113.6MB in the beginning and 596.0MB in the end (delta: -482.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 04:44:54,645 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:44:54,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.76ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 76.6MB in the end (delta: 36.7MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-12-06 04:44:54,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 828.41ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.6MB in the beginning and 142.2MB in the end (delta: -65.6MB). Peak memory consumption was 228.1MB. Max. memory is 16.1GB. [2024-12-06 04:44:54,647 INFO L158 Benchmark]: Boogie Preprocessor took 880.84ms. Allocated memory was 352.3MB in the beginning and 729.8MB in the end (delta: 377.5MB). Free memory was 142.2MB in the beginning and 483.0MB in the end (delta: -340.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-12-06 04:44:54,647 INFO L158 Benchmark]: RCFGBuilder took 28156.56ms. Allocated memory was 729.8MB in the beginning and 3.3GB in the end (delta: 2.5GB). Free memory was 483.0MB in the beginning and 2.7GB in the end (delta: -2.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 04:44:54,648 INFO L158 Benchmark]: CodeCheck took 257026.90ms. Allocated memory was 3.3GB in the beginning and 1.7GB in the end (delta: -1.5GB). Free memory was 2.7GB in the beginning and 596.0MB in the end (delta: 2.1GB). Peak memory consumption was 550.0MB. Max. memory is 16.1GB. [2024-12-06 04:44:54,651 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 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.76ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 76.6MB in the end (delta: 36.7MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 828.41ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 76.6MB in the beginning and 142.2MB in the end (delta: -65.6MB). Peak memory consumption was 228.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 880.84ms. Allocated memory was 352.3MB in the beginning and 729.8MB in the end (delta: 377.5MB). Free memory was 142.2MB in the beginning and 483.0MB in the end (delta: -340.8MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * RCFGBuilder took 28156.56ms. Allocated memory was 729.8MB in the beginning and 3.3GB in the end (delta: 2.5GB). Free memory was 483.0MB in the beginning and 2.7GB in the end (delta: -2.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 257026.90ms. Allocated memory was 3.3GB in the beginning and 1.7GB in the end (delta: -1.5GB). Free memory was 2.7GB in the beginning and 596.0MB in the end (delta: 2.1GB). Peak memory consumption was 550.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:44:54,863 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:44:54,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/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_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/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_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/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_e54fcf2b-67db-41b8-a04d-1c92f811878f/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 12aaa6662b633240d80cea52d5e3ff171994fb8d2358f08bbb5543824efbc63f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:44:56,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:44:57,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:44:57,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:44:57,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:44:57,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:44:57,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:44:57,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:44:57,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:44:57,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:57,055 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:44:57,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:44:57,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:57,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:44:57,056 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/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 -> 12aaa6662b633240d80cea52d5e3ff171994fb8d2358f08bbb5543824efbc63f [2024-12-06 04:44:57,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:44:57,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:44:57,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:44:57,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:44:57,340 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:44:57,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c [2024-12-06 04:45:00,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/0f908138e/256755cd3d394332a4157efc867fd8fd/FLAG60134ea1f [2024-12-06 04:45:00,601 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:45:00,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c [2024-12-06 04:45:00,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/0f908138e/256755cd3d394332a4157efc867fd8fd/FLAG60134ea1f [2024-12-06 04:45:00,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/data/0f908138e/256755cd3d394332a4157efc867fd8fd [2024-12-06 04:45:00,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:45:00,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:45:00,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:45:00,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:45:00,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:45:00,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:45:00" (1/1) ... [2024-12-06 04:45:00,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5c10fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:00, skipping insertion in model container [2024-12-06 04:45:00,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:45:00" (1/1) ... [2024-12-06 04:45:00,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:45:00,866 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c[1175,1188] [2024-12-06 04:45:01,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:45:01,203 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:45:01,211 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_e54fcf2b-67db-41b8-a04d-1c92f811878f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.5.prop1-back-serstep.c[1175,1188] [2024-12-06 04:45:01,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:45:01,371 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:45:01,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01 WrapperNode [2024-12-06 04:45:01,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:45:01,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:45:01,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:45:01,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:45:01,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,520 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2889 [2024-12-06 04:45:01,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:45:01,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:45:01,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:45:01,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:45:01,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:45:01,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:45:01,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:45:01,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:45:01,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:45:01" (1/1) ... [2024-12-06 04:45:01,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:45:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:45:01,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:45:01,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:45:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:45:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:45:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:45:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:45:02,199 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:45:02,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:45:06,147 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-12-06 04:45:06,147 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:45:06,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:45:06,259 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:45:06,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:45:06 BoogieIcfgContainer [2024-12-06 04:45:06,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:45:06,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:45:06,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:45:06,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:45:06,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:45:06" (1/1) ... [2024-12-06 04:45:06,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:45:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:45:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:45:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:45:06,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:06,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:06,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:06,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:06,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:45:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:07,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:07,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:45:07,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:45:07,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:45:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:45:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:45:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:45:07,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:07,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:07,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:07,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:07,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e54fcf2b-67db-41b8-a04d-1c92f811878f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:45:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:09,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:09,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-06 04:45:09,873 INFO L279 TraceCheckSpWp]: Computing forward predicates...