./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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:32:03,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:32:03,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 02:32:03,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:32:03,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:32:03,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:32:03,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:32:03,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:32:03,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:32:03,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:32:03,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:32:03,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:32:03,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:32:03,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:32:03,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:32:03,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:32:03,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:32:03,980 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:32:03,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:32:03,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:03,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:32:03,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:32:03,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:32:03,981 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:32:03,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:32:03,982 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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:32:04,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:32:04,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:32:04,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:32:04,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:32:04,392 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:32:04,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-25 02:32:08,038 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/3486d36d8/7f3fe2d959c341159816a880eed4c078/FLAGa0c0d73b6 [2024-11-25 02:32:08,534 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:32:08,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-25 02:32:08,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/3486d36d8/7f3fe2d959c341159816a880eed4c078/FLAGa0c0d73b6 [2024-11-25 02:32:08,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/3486d36d8/7f3fe2d959c341159816a880eed4c078 [2024-11-25 02:32:08,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:32:08,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:32:08,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:08,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:32:08,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:32:08,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:08" (1/1) ... [2024-11-25 02:32:08,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e673285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:08, skipping insertion in model container [2024-11-25 02:32:08,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:32:08" (1/1) ... [2024-11-25 02:32:08,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:32:08,981 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_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-25 02:32:09,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:09,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:32:09,744 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_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-25 02:32:10,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:32:10,169 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:32:10,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10 WrapperNode [2024-11-25 02:32:10,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:32:10,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:10,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:32:10,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:32:10,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:10,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,159 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5276 [2024-11-25 02:32:11,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:32:11,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:32:11,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:32:11,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:32:11,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,440 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:32:11,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:32:11,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:32:11,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:32:11,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:32:10" (1/1) ... [2024-11-25 02:32:11,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:32:11,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:32:11,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:32:11,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:32:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:32:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:32:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:32:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:32:12,672 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:32:12,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:32:20,266 INFO L? ?]: Removed 3043 outVars from TransFormulas that were not future-live. [2024-11-25 02:32:20,266 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:32:28,993 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:32:28,996 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:32:28,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:28 BoogieIcfgContainer [2024-11-25 02:32:28,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:32:28,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:32:28,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:32:29,021 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:32:29,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:32:28" (1/1) ... [2024-11-25 02:32:29,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:32:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:32:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:32:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:32:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:32:29,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:32:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:32:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:32:33,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:32:43,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:32:53,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:32:55,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:32:56,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:32:58,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:33:09,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:33:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 02:33:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 02:33:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:33:09,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:25,641 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:44,791 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) [2024-11-25 02:35:44,797 INFO L158 Benchmark]: Toolchain (without parser) took 216177.90ms. Allocated memory was 142.6MB in the beginning and 981.5MB in the end (delta: 838.9MB). Free memory was 114.0MB in the beginning and 174.0MB in the end (delta: -60.1MB). Peak memory consumption was 779.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,798 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:44,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.79ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 92.2MB in the end (delta: 21.8MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 988.72ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 92.2MB in the beginning and 176.1MB in the end (delta: -83.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,800 INFO L158 Benchmark]: Boogie Preprocessor took 626.06ms. Allocated memory is still 285.2MB. Free memory was 176.1MB in the beginning and 135.6MB in the end (delta: 40.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,801 INFO L158 Benchmark]: RCFGBuilder took 17207.80ms. Allocated memory was 285.2MB in the beginning and 838.9MB in the end (delta: 553.6MB). Free memory was 135.5MB in the beginning and 452.2MB in the end (delta: -316.7MB). Peak memory consumption was 723.1MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,802 INFO L158 Benchmark]: CodeCheck took 195797.62ms. Allocated memory was 838.9MB in the beginning and 981.5MB in the end (delta: 142.6MB). Free memory was 452.2MB in the beginning and 174.0MB in the end (delta: 278.1MB). Peak memory consumption was 422.0MB. Max. memory is 16.1GB. [2024-11-25 02:35:44,806 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 0.37ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.79ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 92.2MB in the end (delta: 21.8MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 988.72ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 92.2MB in the beginning and 176.1MB in the end (delta: -83.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 626.06ms. Allocated memory is still 285.2MB. Free memory was 176.1MB in the beginning and 135.6MB in the end (delta: 40.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 17207.80ms. Allocated memory was 285.2MB in the beginning and 838.9MB in the end (delta: 553.6MB). Free memory was 135.5MB in the beginning and 452.2MB in the end (delta: -316.7MB). Peak memory consumption was 723.1MB. Max. memory is 16.1GB. * CodeCheck took 195797.62ms. Allocated memory was 838.9MB in the beginning and 981.5MB in the end (delta: 142.6MB). Free memory was 452.2MB in the beginning and 174.0MB in the end (delta: 278.1MB). Peak memory consumption was 422.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:35:44,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:35:47,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:47,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 02:35:47,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:47,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:47,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:47,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:47,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:47,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:47,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:47,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:47,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:47,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:47,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:47,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:35:47,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:35:47,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:35:47,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:47,890 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:47,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:47,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:47,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:47,892 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:47,892 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:47,892 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:35:47,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:47,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:47,893 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:35:47,893 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_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:35:48,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:48,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:48,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:48,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:48,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:48,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-25 02:35:51,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/c7e55db30/91006bad6a4b425db2f3b51ac445d919/FLAG0842e89ed [2024-11-25 02:35:51,761 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:51,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c [2024-11-25 02:35:51,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/c7e55db30/91006bad6a4b425db2f3b51ac445d919/FLAG0842e89ed [2024-11-25 02:35:51,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/data/c7e55db30/91006bad6a4b425db2f3b51ac445d919 [2024-11-25 02:35:51,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:51,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:51,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:51,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:51,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:51,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:51" (1/1) ... [2024-11-25 02:35:51,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dac0454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:51, skipping insertion in model container [2024-11-25 02:35:51,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:51" (1/1) ... [2024-11-25 02:35:51,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:52,143 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_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-25 02:35:52,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:52,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:52,552 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_6010bc68-9a36-403f-8dbe-c8f870477499/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.1.prop1-back-serstep.c[1185,1198] [2024-11-25 02:35:52,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:52,751 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:52,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52 WrapperNode [2024-11-25 02:35:52,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:52,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:52,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:52,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:52,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:52,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:52,938 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2028 [2024-11-25 02:35:52,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:52,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:52,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:52,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:52,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:52,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:52,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:52,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:53,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:53,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:53,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:53,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:52" (1/1) ... [2024-11-25 02:35:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:53,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:53,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:35:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:53,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:53,714 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:53,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:57,103 INFO L? ?]: Removed 249 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:57,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:57,197 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:57,197 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:35:57,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:57 BoogieIcfgContainer [2024-11-25 02:35:57,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:57,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:57,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:57,210 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:57,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:57" (1/1) ... [2024-11-25 02:35:57,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:35:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:35:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:35:57,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:57,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:57,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:35:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:58,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:58,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:35:58,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:58,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:35:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 02:35:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 02:35:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:35:58,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:58,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:58,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6010bc68-9a36-403f-8dbe-c8f870477499/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:36:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:00,404 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:00,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-25 02:36:00,963 INFO L279 TraceCheckSpWp]: Computing forward predicates...