./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:37:54,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:55,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:37:55,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:37:55,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:37:55,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:55,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:37:55,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:37:55,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:55,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:55,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:55,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:37:55,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:37:55,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:55,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:37:55,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:55,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:37:55,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:55,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:37:55,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:55,069 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:55,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:55,070 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:55,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:55,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:55,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:55,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:55,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:37:55,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:37:55,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:37:55,071 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d [2024-11-13 21:37:55,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:55,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:55,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:55,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:55,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:55,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:37:57,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:58,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:58,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-13 21:37:58,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/fcb950761/8a92eeed3883420f860fdcdea36ea42b/FLAGf8adfd4c6 [2024-11-13 21:37:58,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/fcb950761/8a92eeed3883420f860fdcdea36ea42b [2024-11-13 21:37:58,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:58,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:58,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:58,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:58,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:58,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:58" (1/1) ... [2024-11-13 21:37:58,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd47d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:58, skipping insertion in model container [2024-11-13 21:37:58,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:58" (1/1) ... [2024-11-13 21:37:58,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:58,858 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-13 21:37:59,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:59,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:59,791 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-13 21:38:00,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:00,240 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:00,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00 WrapperNode [2024-11-13 21:38:00,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:00,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:00,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:00,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:00,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:00,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:01,748 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11615 [2024-11-13 21:38:01,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:01,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:01,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:01,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:01,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:01,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:01,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:01,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:02,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:02,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:02,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:02,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:00" (1/1) ... [2024-11-13 21:38:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:02,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:02,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:38:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:38:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:03,746 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:03,748 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:27,604 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:27,605 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:50,822 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:50,823 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:38:50,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:50 BoogieIcfgContainer [2024-11-13 21:38:50,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:50,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:50,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:50,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:50,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:50" (1/1) ... [2024-11-13 21:38:50,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:38:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:38:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:38:50,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:39:21,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:39:31,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:39:35,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:45,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:39:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:39:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:39:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:39:45,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:25,986 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) [2024-11-13 21:46:25,992 INFO L158 Benchmark]: Toolchain (without parser) took 507591.54ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 89.5MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 825.8MB. Max. memory is 16.1GB. [2024-11-13 21:46:25,992 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:25,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1840.19ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.5MB in the beginning and 283.1MB in the end (delta: -193.7MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2024-11-13 21:46:25,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 1505.60ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 283.1MB in the beginning and 904.7MB in the end (delta: -621.5MB). Peak memory consumption was 279.8MB. Max. memory is 16.1GB. [2024-11-13 21:46:25,994 INFO L158 Benchmark]: Boogie Preprocessor took 1024.57ms. Allocated memory is still 1.1GB. Free memory was 904.7MB in the beginning and 832.7MB in the end (delta: 72.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2024-11-13 21:46:25,997 INFO L158 Benchmark]: RCFGBuilder took 48048.46ms. Allocated memory was 1.1GB in the beginning and 8.3GB in the end (delta: 7.1GB). Free memory was 832.7MB in the beginning and 7.5GB in the end (delta: -6.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-13 21:46:25,998 INFO L158 Benchmark]: CodeCheck took 455165.61ms. Allocated memory was 8.3GB in the beginning and 2.2GB in the end (delta: -6.1GB). Free memory was 7.5GB in the beginning and 1.3GB in the end (delta: 6.1GB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-13 21:46:26,005 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 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1840.19ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.5MB in the beginning and 283.1MB in the end (delta: -193.7MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1505.60ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 283.1MB in the beginning and 904.7MB in the end (delta: -621.5MB). Peak memory consumption was 279.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1024.57ms. Allocated memory is still 1.1GB. Free memory was 904.7MB in the beginning and 832.7MB in the end (delta: 72.0MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * RCFGBuilder took 48048.46ms. Allocated memory was 1.1GB in the beginning and 8.3GB in the end (delta: 7.1GB). Free memory was 832.7MB in the beginning and 7.5GB in the end (delta: -6.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * CodeCheck took 455165.61ms. Allocated memory was 8.3GB in the beginning and 2.2GB in the end (delta: -6.1GB). Free memory was 7.5GB in the beginning and 1.3GB in the end (delta: 6.1GB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:46:26,241 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:46:26,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/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_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:46:29,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:46:29,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:46:29,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:46:29,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:46:29,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:46:29,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:46:29,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:46:29,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:46:29,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:46:29,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:46:29,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:46:29,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:46:29,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:46:29,204 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:46:29,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:46:29,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:46:29,204 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:29,204 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:46:29,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:46:29,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:29,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:46:29,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:46:29,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:46:29,205 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:46:29,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:29,206 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:46:29,206 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52d17bc0e7c8d869df3c1c7f8d4ee69c82adee816ff74768807d94b7498b765d [2024-11-13 21:46:29,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:46:29,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:46:29,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:46:29,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:46:29,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:46:29,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:46:31,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:46:32,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:46:32,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c [2024-11-13 21:46:32,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/99cc5f1f9/2313c0b3c8ad484dba432151a334016b/FLAGad13b158a [2024-11-13 21:46:32,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/data/99cc5f1f9/2313c0b3c8ad484dba432151a334016b [2024-11-13 21:46:32,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:46:32,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:46:32,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:32,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:46:32,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:46:32,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:32" (1/1) ... [2024-11-13 21:46:32,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b1b329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:32, skipping insertion in model container [2024-11-13 21:46:32,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:32" (1/1) ... [2024-11-13 21:46:32,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:46:32,469 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-13 21:46:33,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:33,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:46:33,132 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_27c9938c-78ca-42e7-89a7-15f309dc9aba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-back-serstep.c[1172,1185] [2024-11-13 21:46:33,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:33,425 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:46:33,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33 WrapperNode [2024-11-13 21:46:33,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:33,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:33,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:46:33,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:46:33,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,665 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3315 [2024-11-13 21:46:33,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:33,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:46:33,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:46:33,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:46:33,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:46:33,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:46:33,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:46:33,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:46:33,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:33" (1/1) ... [2024-11-13 21:46:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:46:33,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:46:33,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:46:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:46:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:46:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:46:33,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:46:34,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:46:34,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:46:41,094 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-11-13 21:46:41,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:46:41,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:46:41,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:46:41,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:41 BoogieIcfgContainer [2024-11-13 21:46:41,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:46:41,264 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:46:41,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:46:41,274 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:46:41,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:41" (1/1) ... [2024-11-13 21:46:41,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:46:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:46:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:46:41,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:46:41,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:41,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:41,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:41,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:41,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:46:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:42,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:42,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:46:42,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:46:43,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:46:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:46:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:46:44,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:46:44,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:44,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:44,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:44,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:44,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27c9938c-78ca-42e7-89a7-15f309dc9aba/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:46:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:46,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:46,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 21:46:47,045 INFO L278 TraceCheckSpWp]: Computing forward predicates...