./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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 a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:36:50,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:36:50,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:36:50,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:36:50,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:36:50,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:36:50,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:36:50,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:36:50,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:36:50,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:36:50,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:36:50,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:36:50,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:36:50,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:36:50,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:36:50,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:36:50,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:36:50,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:36:50,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:50,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:36:50,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:36:50,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:36:50,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:36:50,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:36:50,338 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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 -> a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 [2024-11-13 21:36:50,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:36:50,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:36:50,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:36:50,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:36:50,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:36:50,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:36:52,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:36:53,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:36:53,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-11-13 21:36:53,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/1ca2cb10f/acb7b3fbceb345eaa76756c52c6dd87e/FLAG252d1096a [2024-11-13 21:36:53,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/1ca2cb10f/acb7b3fbceb345eaa76756c52c6dd87e [2024-11-13 21:36:53,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:36:53,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:36:53,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:53,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:36:53,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:36:53,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:53" (1/1) ... [2024-11-13 21:36:53,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276d2fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:53, skipping insertion in model container [2024-11-13 21:36:53,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:36:53" (1/1) ... [2024-11-13 21:36:53,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:36:53,402 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-11-13 21:36:53,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:54,010 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:36:54,020 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-11-13 21:36:54,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:36:54,347 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:36:54,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54 WrapperNode [2024-11-13 21:36:54,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:36:54,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:54,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:36:54,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:36:54,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:54,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:55,605 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9015 [2024-11-13 21:36:55,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:36:55,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:36:55,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:36:55,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:36:55,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:55,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:55,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:55,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:36:56,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:36:56,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:36:56,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:36:56,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:36:54" (1/1) ... [2024-11-13 21:36:56,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:36:56,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:36:57,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:36:57,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:36:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:36:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:36:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:36:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:36:57,834 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:36:57,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:37:12,627 INFO L? ?]: Removed 4938 outVars from TransFormulas that were not future-live. [2024-11-13 21:37:12,628 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:37:29,725 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:37:29,726 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:37:29,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:29 BoogieIcfgContainer [2024-11-13 21:37:29,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:37:29,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:37:29,727 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:37:29,738 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:37:29,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:29" (1/1) ... [2024-11-13 21:37:29,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:37:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:37:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:37:29,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:37:29,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:36,873 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 21:37:47,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:57,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:07,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:12,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:14,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:38:24,718 WARN L539 Checker$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 21:38:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:38:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:38:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:38:24,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:24,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:21,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:47:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:47:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:47:35,702 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 21:47:35,710 INFO L158 Benchmark]: Toolchain (without parser) took 642619.58ms. Allocated memory was 142.6MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 115.9MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-13 21:47:35,711 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:47:35,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.78ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 115.9MB in the beginning and 68.4MB in the end (delta: 47.5MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2024-11-13 21:47:35,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 1255.62ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 68.4MB in the beginning and 159.0MB in the end (delta: -90.5MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. [2024-11-13 21:47:35,713 INFO L158 Benchmark]: Boogie Preprocessor took 1330.77ms. Allocated memory is still 369.1MB. Free memory was 159.0MB in the beginning and 128.9MB in the end (delta: 30.0MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-11-13 21:47:35,714 INFO L158 Benchmark]: RCFGBuilder took 32787.45ms. Allocated memory was 369.1MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 128.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-13 21:47:35,714 INFO L158 Benchmark]: CodeCheck took 605981.80ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.7GB in the beginning and 2.7GB in the end (delta: -991.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 21:47:35,718 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 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1256.78ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 115.9MB in the beginning and 68.4MB in the end (delta: 47.5MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1255.62ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 68.4MB in the beginning and 159.0MB in the end (delta: -90.5MB). Peak memory consumption was 161.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1330.77ms. Allocated memory is still 369.1MB. Free memory was 159.0MB in the beginning and 128.9MB in the end (delta: 30.0MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * RCFGBuilder took 32787.45ms. Allocated memory was 369.1MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 128.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 605981.80ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.7GB in the beginning and 2.7GB in the end (delta: -991.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:47:35,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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 a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:47:39,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:47:39,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:47:39,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:47:39,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:47:39,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:47:39,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:47:39,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:47:39,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:47:39,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:47:39,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:47:39,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:47:39,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:47:39,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:47:39,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:47:39,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:47:39,579 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:47:39,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:47:39,580 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:39,580 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:47:39,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:47:39,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:39,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:47:39,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:47:39,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:47:39,581 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:47:39,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:39,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:47:39,581 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/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 -> a8f14becb4b6ee03d03c955330ce1672450f2360614b09afeb0d05d048f1cde7 [2024-11-13 21:47:40,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:47:40,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:47:40,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:47:40,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:47:40,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:47:40,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:47:42,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:47:43,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:47:43,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c [2024-11-13 21:47:43,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/832f160c9/07d821aa8a604c0f9b08cb5f609bec94/FLAG269824b19 [2024-11-13 21:47:43,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/data/832f160c9/07d821aa8a604c0f9b08cb5f609bec94 [2024-11-13 21:47:43,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:47:43,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:47:43,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:43,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:47:43,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:47:43,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:43" (1/1) ... [2024-11-13 21:47:43,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9a731c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:43, skipping insertion in model container [2024-11-13 21:47:43,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:43" (1/1) ... [2024-11-13 21:47:43,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:47:43,661 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-11-13 21:47:44,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:44,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:47:44,316 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_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-back-serstep.c[1175,1188] [2024-11-13 21:47:44,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:47:44,555 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:47:44,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44 WrapperNode [2024-11-13 21:47:44,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:47:44,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:44,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:47:44,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:47:44,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:44,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:44,887 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2791 [2024-11-13 21:47:44,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:47:44,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:47:44,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:47:44,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:47:44,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:44,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:44,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:44,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:47:45,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:47:45,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:47:45,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:47:45,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:44" (1/1) ... [2024-11-13 21:47:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:47:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:47:45,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:47:45,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:47:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:47:45,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:47:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:47:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:47:46,073 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:47:46,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:47:52,686 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-13 21:47:52,686 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:47:52,838 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:47:52,838 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:47:52,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:52 BoogieIcfgContainer [2024-11-13 21:47:52,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:47:52,841 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:47:52,841 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:47:52,907 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:47:52,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:52" (1/1) ... [2024-11-13 21:47:52,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:47:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:47:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:47:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:47:52,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:52,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:52,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:52,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:47:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:54,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:54,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:47:54,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:47:54,898 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 21:47:54,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:47:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:47:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:47:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:47:55,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:47:55,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:47:55,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:47:55,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42e07c60-d7d5-4dfa-8f17-09c7f1cd53b7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:47:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:57,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:47:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:58,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-13 21:47:58,065 INFO L278 TraceCheckSpWp]: Computing forward predicates...