./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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 be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:10,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:10,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:40:10,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:10,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:10,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:10,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:10,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:10,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:10,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:10,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:10,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:10,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:10,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:10,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:10,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:10,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:10,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:10,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:10,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:10,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:10,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:10,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:10,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:10,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:10,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:10,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:10,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:10,781 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:10,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:10,782 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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 -> be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c [2024-11-13 16:40:11,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:11,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:11,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:11,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:11,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:11,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:40:13,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:13,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:13,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-11-13 16:40:13,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/c85665adc/5af0bf0164e44242b1b849599bf01937/FLAG07f855313 [2024-11-13 16:40:13,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/c85665adc/5af0bf0164e44242b1b849599bf01937 [2024-11-13 16:40:13,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:13,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:13,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:13,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:13,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:13,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:13" (1/1) ... [2024-11-13 16:40:13,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3898e877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:13, skipping insertion in model container [2024-11-13 16:40:13,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:13" (1/1) ... [2024-11-13 16:40:13,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:13,879 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-11-13 16:40:14,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:14,282 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:14,292 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-11-13 16:40:14,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:14,556 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:14,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14 WrapperNode [2024-11-13 16:40:14,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:14,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:14,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:14,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:14,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:14,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,223 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4609 [2024-11-13 16:40:15,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:15,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:15,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:15,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:15,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:15,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:15,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:15,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:15,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:14" (1/1) ... [2024-11-13 16:40:15,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:15,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:15,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:15,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:40:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:16,396 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:16,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:24,099 INFO L? ?]: Removed 2638 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:24,099 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:32,123 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:32,123 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:40:32,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:32 BoogieIcfgContainer [2024-11-13 16:40:32,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:32,125 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:32,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:32,136 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:32,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:32" (1/1) ... [2024-11-13 16:40:32,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:40:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:40:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:40:32,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:36,715 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 16:40:46,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:40:56,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:40:58,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:05,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:41:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:41:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:41:05,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:05,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:58,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:42:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:43:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:43:02,764 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 16:43:02,772 INFO L158 Benchmark]: Toolchain (without parser) took 169196.61ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 89.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 342.0MB. Max. memory is 16.1GB. [2024-11-13 16:43:02,774 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:02,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 980.38ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 69.7MB in the end (delta: 19.9MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-11-13 16:43:02,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 661.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 69.7MB in the beginning and 131.1MB in the end (delta: -61.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-11-13 16:43:02,776 INFO L158 Benchmark]: Boogie Preprocessor took 560.13ms. Allocated memory is still 251.7MB. Free memory was 131.1MB in the beginning and 115.7MB in the end (delta: 15.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-13 16:43:02,777 INFO L158 Benchmark]: RCFGBuilder took 16337.73ms. Allocated memory was 251.7MB in the beginning and 939.5MB in the end (delta: 687.9MB). Free memory was 115.7MB in the beginning and 559.5MB in the end (delta: -443.8MB). Peak memory consumption was 612.8MB. Max. memory is 16.1GB. [2024-11-13 16:43:02,778 INFO L158 Benchmark]: CodeCheck took 150646.47ms. Allocated memory was 939.5MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 559.5MB in the beginning and 1.9GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:43:02,781 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 0.32ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 980.38ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 69.7MB in the end (delta: 19.9MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 661.31ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 69.7MB in the beginning and 131.1MB in the end (delta: -61.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 560.13ms. Allocated memory is still 251.7MB. Free memory was 131.1MB in the beginning and 115.7MB in the end (delta: 15.4MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * RCFGBuilder took 16337.73ms. Allocated memory was 251.7MB in the beginning and 939.5MB in the end (delta: 687.9MB). Free memory was 115.7MB in the beginning and 559.5MB in the end (delta: -443.8MB). Peak memory consumption was 612.8MB. Max. memory is 16.1GB. * CodeCheck took 150646.47ms. Allocated memory was 939.5MB in the beginning and 2.3GB in the end (delta: 1.3GB). Free memory was 559.5MB in the beginning and 1.9GB in the end (delta: -1.3GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:43:02,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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 be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:05,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:05,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:43:05,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:05,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:43:05,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:43:05,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:05,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:05,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:05,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:05,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:05,948 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:43:05,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:05,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:05,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:05,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:05,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:43:05,950 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:43:05,951 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:05,951 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:43:05,951 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/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 -> be9fb92d27a2badac1e0e247112e835adcbd88a7943acfa753ad62fc0c5c1c8c [2024-11-13 16:43:06,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:06,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:06,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:06,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:06,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:06,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 16:43:08,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:08,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:08,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c [2024-11-13 16:43:08,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/713f7ca36/4164bb1a140b45e4ae66c11b7e1425df/FLAG6e86c431f [2024-11-13 16:43:08,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/data/713f7ca36/4164bb1a140b45e4ae66c11b7e1425df [2024-11-13 16:43:08,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:08,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:08,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:08,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:08,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:08,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:08" (1/1) ... [2024-11-13 16:43:08,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdec3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:08, skipping insertion in model container [2024-11-13 16:43:08,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:08" (1/1) ... [2024-11-13 16:43:08,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:08,929 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-11-13 16:43:09,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:09,299 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:09,310 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_92aa4597-b03b-4b10-b453-7dc052d7b0d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.3.prop1-back-serstep.c[1185,1198] [2024-11-13 16:43:09,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:09,525 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:09,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09 WrapperNode [2024-11-13 16:43:09,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:09,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:09,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:09,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:09,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,691 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1761 [2024-11-13 16:43:09,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:09,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:09,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:09,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:09,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:09,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:09,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:09,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:09,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:09" (1/1) ... [2024-11-13 16:43:09,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:09,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:09,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:09,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:43:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:10,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:10,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:13,021 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:13,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:13,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:13,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:43:13,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:13 BoogieIcfgContainer [2024-11-13 16:43:13,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:13,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:13,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:13,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:13,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:13" (1/1) ... [2024-11-13 16:43:13,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:43:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:43:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:43:13,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:13,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:43:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:14,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:14,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:43:14,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:14,397 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 16:43:14,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:43:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:43:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:43:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:14,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:14,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:14,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:14,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92aa4597-b03b-4b10-b453-7dc052d7b0d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:43:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:15,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:16,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-13 16:43:16,425 INFO L278 TraceCheckSpWp]: Computing forward predicates...