./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:47:10,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:47:10,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:47:10,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:47:10,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:47:10,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:47:10,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:47:10,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:47:10,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:47:10,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:47:10,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:47:10,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:47:10,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:47:10,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:10,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:47:10,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:47:10,581 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a [2024-12-06 00:47:10,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:47:10,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:47:10,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:47:10,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:47:10,817 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:47:10,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-12-06 00:47:13,412 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/d6c209d39/c7b32fc2a2e24ac99d2ac446f5e84f28/FLAG5bcd9c33a [2024-12-06 00:47:13,714 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:47:13,714 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-12-06 00:47:13,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/d6c209d39/c7b32fc2a2e24ac99d2ac446f5e84f28/FLAG5bcd9c33a [2024-12-06 00:47:13,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/d6c209d39/c7b32fc2a2e24ac99d2ac446f5e84f28 [2024-12-06 00:47:13,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:47:13,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:47:13,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:13,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:47:13,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:47:13,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:13" (1/1) ... [2024-12-06 00:47:13,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2032bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:13, skipping insertion in model container [2024-12-06 00:47:13,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:47:13" (1/1) ... [2024-12-06 00:47:13,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:47:13,954 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-12-06 00:47:14,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:14,230 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:47:14,237 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-12-06 00:47:14,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:47:14,417 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:47:14,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14 WrapperNode [2024-12-06 00:47:14,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:47:14,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:14,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:47:14,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:47:14,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:14,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:14,872 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5276 [2024-12-06 00:47:14,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:47:14,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:47:14,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:47:14,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:47:14,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:14,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:14,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:14,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,104 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:47:15,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:47:15,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:47:15,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:47:15,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:47:14" (1/1) ... [2024-12-06 00:47:15,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:47:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:47:15,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:47:15,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:47:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:47:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:47:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:47:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:47:15,696 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:47:15,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:47:21,266 INFO L? ?]: Removed 3043 outVars from TransFormulas that were not future-live. [2024-12-06 00:47:21,266 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:47:26,682 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:47:26,682 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:47:26,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:26 BoogieIcfgContainer [2024-12-06 00:47:26,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:47:26,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:47:26,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:47:26,689 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:47:26,689 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:47:26" (1/1) ... [2024-12-06 00:47:26,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:47:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:47:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:47:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:47:26,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:26,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:47:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:47:39,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:47:49,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:47:52,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:48:02,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:48:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:48:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:48:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:48:02,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:48:51,911 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:49:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:49:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:49:48,197 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:49:48,202 INFO L158 Benchmark]: Toolchain (without parser) took 154451.24ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 114.0MB in the beginning and 771.9MB in the end (delta: -657.9MB). Peak memory consumption was 492.7MB. Max. memory is 16.1GB. [2024-12-06 00:49:48,202 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:49:48,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.25ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 87.0MB in the end (delta: 27.0MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-12-06 00:49:48,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 454.30ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 87.0MB in the beginning and 243.8MB in the end (delta: -156.8MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-12-06 00:49:48,204 INFO L158 Benchmark]: Boogie Preprocessor took 412.26ms. Allocated memory is still 369.1MB. Free memory was 243.8MB in the beginning and 226.7MB in the end (delta: 17.1MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-12-06 00:49:48,204 INFO L158 Benchmark]: RCFGBuilder took 11396.52ms. Allocated memory was 369.1MB in the beginning and 1.2GB in the end (delta: 830.5MB). Free memory was 226.7MB in the beginning and 500.7MB in the end (delta: -274.0MB). Peak memory consumption was 785.9MB. Max. memory is 16.1GB. [2024-12-06 00:49:48,205 INFO L158 Benchmark]: CodeCheck took 141517.76ms. Allocated memory was 1.2GB in the beginning and 1.3GB in the end (delta: 92.3MB). Free memory was 500.7MB in the beginning and 771.9MB in the end (delta: -271.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:49:48,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.25ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 87.0MB in the end (delta: 27.0MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 454.30ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 87.0MB in the beginning and 243.8MB in the end (delta: -156.8MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 412.26ms. Allocated memory is still 369.1MB. Free memory was 243.8MB in the beginning and 226.7MB in the end (delta: 17.1MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * RCFGBuilder took 11396.52ms. Allocated memory was 369.1MB in the beginning and 1.2GB in the end (delta: 830.5MB). Free memory was 226.7MB in the beginning and 500.7MB in the end (delta: -274.0MB). Peak memory consumption was 785.9MB. Max. memory is 16.1GB. * CodeCheck took 141517.76ms. Allocated memory was 1.2GB in the beginning and 1.3GB in the end (delta: 92.3MB). Free memory was 500.7MB in the beginning and 771.9MB in the end (delta: -271.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:49:48,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:49:50,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:49:50,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:49:50,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:49:50,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:49:50,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:49:50,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:49:50,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:49:50,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:49:50,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:49:50,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:49:50,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:50,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:49:50,273 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:49:50,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:50,274 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:49:50,274 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d28cdfa9c3493fa2c2c97ce825bfba88118df6a3a4bf56f032f12a5062039a [2024-12-06 00:49:50,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:49:50,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:49:50,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:49:50,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:49:50,516 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:49:50,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-12-06 00:49:53,245 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/6d5765cdb/ef7dc9a690d04f2b81816157be853054/FLAG57afef78a [2024-12-06 00:49:53,525 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:49:53,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-12-06 00:49:53,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/6d5765cdb/ef7dc9a690d04f2b81816157be853054/FLAG57afef78a [2024-12-06 00:49:53,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/data/6d5765cdb/ef7dc9a690d04f2b81816157be853054 [2024-12-06 00:49:53,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:49:53,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:49:53,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:53,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:49:53,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:49:53,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:53" (1/1) ... [2024-12-06 00:49:53,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289b2674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:53, skipping insertion in model container [2024-12-06 00:49:53,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:53" (1/1) ... [2024-12-06 00:49:53,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:49:53,734 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-12-06 00:49:53,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:54,000 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:49:54,007 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_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-12-06 00:49:54,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:54,110 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:49:54,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54 WrapperNode [2024-12-06 00:49:54,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:54,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:54,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:49:54,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:49:54,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,221 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2028 [2024-12-06 00:49:54,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:54,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:49:54,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:49:54,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:49:54,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:49:54,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:49:54,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:49:54,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:49:54,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:54" (1/1) ... [2024-12-06 00:49:54,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:54,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:49:54,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:49:54,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:49:54,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:49:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:49:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:49:54,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:49:54,716 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:49:54,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:49:56,905 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-12-06 00:49:56,905 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:49:56,979 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:49:56,979 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:49:56,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:49:56 BoogieIcfgContainer [2024-12-06 00:49:56,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:49:56,980 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:49:56,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:49:56,989 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:49:56,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:49:56" (1/1) ... [2024-12-06 00:49:56,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:49:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:49:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:49:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:49:57,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:57,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:57,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:49:57,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:49:57,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:49:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:57,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:57,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:49:57,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:49:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:49:58,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:49:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:49:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:49:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:49:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:49:58,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:49:58,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:49:58,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:49:58,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3800a6ff-4e68-4c7b-9000-84fd145ffdb6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:49:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:59,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:49:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:59,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-06 00:49:59,794 INFO L279 TraceCheckSpWp]: Computing forward predicates...