./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:12:27,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:12:27,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:12:27,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:12:27,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:12:27,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:12:27,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:12:27,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:12:27,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:12:27,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:12:27,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:12:27,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:12:27,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:12:27,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:12:27,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:12:27,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:27,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:12:27,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:12:27,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:12:27,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:12:27,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:12:27,931 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc [2024-12-06 03:12:28,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:12:28,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:12:28,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:12:28,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:12:28,184 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:12:28,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-12-06 03:12:30,809 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/025c74e17/ca2a6ae3d6a5489981683957e994170d/FLAGf0da556b5 [2024-12-06 03:12:31,129 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:12:31,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-12-06 03:12:31,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/025c74e17/ca2a6ae3d6a5489981683957e994170d/FLAGf0da556b5 [2024-12-06 03:12:31,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/025c74e17/ca2a6ae3d6a5489981683957e994170d [2024-12-06 03:12:31,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:12:31,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:12:31,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:31,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:12:31,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:12:31,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:31" (1/1) ... [2024-12-06 03:12:31,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2cbf9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:31, skipping insertion in model container [2024-12-06 03:12:31,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:12:31" (1/1) ... [2024-12-06 03:12:31,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:12:31,623 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-12-06 03:12:31,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:31,948 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:12:31,955 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-12-06 03:12:32,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:12:32,172 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:12:32,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32 WrapperNode [2024-12-06 03:12:32,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:12:32,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:32,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:12:32,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:12:32,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:32,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:32,778 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7090 [2024-12-06 03:12:32,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:12:32,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:12:32,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:12:32,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:12:32,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:32,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:32,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:32,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:12:33,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:12:33,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:12:33,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:12:33,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:12:32" (1/1) ... [2024-12-06 03:12:33,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:12:33,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:12:33,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:12:33,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:12:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:12:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:12:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:12:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:12:34,002 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:12:34,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:12:41,097 INFO L? ?]: Removed 4109 outVars from TransFormulas that were not future-live. [2024-12-06 03:12:41,097 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:12:49,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:12:49,590 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:12:49,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:49 BoogieIcfgContainer [2024-12-06 03:12:49,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:12:49,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:12:49,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:12:49,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:12:49,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:12:49" (1/1) ... [2024-12-06 03:12:49,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:12:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:12:49,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:12:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:12:49,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:49,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:13:03,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:13:13,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:13:16,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:13:17,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:13:27,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:13:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:13:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:13:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:13:27,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:27,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:15:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:15:22,701 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:17:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:17:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:17:29,765 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:17:29,769 INFO L158 Benchmark]: Toolchain (without parser) took 298373.75ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 112.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 03:17:29,769 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:17:29,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.27ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 64.3MB in the end (delta: 48.1MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-12-06 03:17:29,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 605.42ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.3MB in the beginning and 167.2MB in the end (delta: -102.9MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2024-12-06 03:17:29,770 INFO L158 Benchmark]: Boogie Preprocessor took 581.74ms. Allocated memory is still 343.9MB. Free memory was 167.2MB in the beginning and 155.1MB in the end (delta: 12.1MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-12-06 03:17:29,770 INFO L158 Benchmark]: RCFGBuilder took 16228.84ms. Allocated memory was 343.9MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 155.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 03:17:29,771 INFO L158 Benchmark]: CodeCheck took 280177.33ms. Allocated memory was 2.1GB in the beginning and 3.3GB in the end (delta: 1.3GB). Free memory was 1.7GB in the beginning and 1.5GB in the end (delta: 139.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 03:17:29,773 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.27ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 64.3MB in the end (delta: 48.1MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 605.42ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.3MB in the beginning and 167.2MB in the end (delta: -102.9MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 581.74ms. Allocated memory is still 343.9MB. Free memory was 167.2MB in the beginning and 155.1MB in the end (delta: 12.1MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16228.84ms. Allocated memory was 343.9MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 155.1MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 280177.33ms. Allocated memory was 2.1GB in the beginning and 3.3GB in the end (delta: 1.3GB). Free memory was 1.7GB in the beginning and 1.5GB in the end (delta: 139.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:17:29,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:17:31,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:17:31,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:17:31,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:17:31,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:17:31,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:17:31,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:17:31,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:17:31,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:17:31,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:31,966 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:17:31,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:17:31,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:31,967 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:17:31,967 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd3452a3a8c4399ef5897b3dce2de1e5d5910f13bdc194cf79184b2c11e98ffc [2024-12-06 03:17:32,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:17:32,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:17:32,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:17:32,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:17:32,209 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:17:32,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-12-06 03:17:34,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/557c7a26f/871180a225064ef9baf15004834f5360/FLAG25877210f [2024-12-06 03:17:35,205 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:17:35,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c [2024-12-06 03:17:35,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/557c7a26f/871180a225064ef9baf15004834f5360/FLAG25877210f [2024-12-06 03:17:35,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/data/557c7a26f/871180a225064ef9baf15004834f5360 [2024-12-06 03:17:35,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:17:35,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:17:35,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:17:35,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:17:35,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:17:35,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:35,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53829dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35, skipping insertion in model container [2024-12-06 03:17:35,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:35,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:17:35,430 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-12-06 03:17:35,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:17:35,742 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:17:35,752 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_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-back-serstep.c[1185,1198] [2024-12-06 03:17:35,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:17:35,917 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:17:35,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35 WrapperNode [2024-12-06 03:17:35,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:17:35,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:17:35,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:17:35,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:17:35,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:35,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,054 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2722 [2024-12-06 03:17:36,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:17:36,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:17:36,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:17:36,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:17:36,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:17:36,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:17:36,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:17:36,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:17:36,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:35" (1/1) ... [2024-12-06 03:17:36,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:17:36,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:17:36,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:17:36,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:17:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:17:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:17:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:17:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:17:36,652 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:17:36,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:17:39,711 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2024-12-06 03:17:39,712 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:17:39,801 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:17:39,802 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:17:39,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:17:39 BoogieIcfgContainer [2024-12-06 03:17:39,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:17:39,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:17:39,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:17:39,813 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:17:39,813 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:17:39" (1/1) ... [2024-12-06 03:17:39,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:17:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:17:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:17:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:17:39,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:39,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:39,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:39,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:17:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:40,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:41,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 03:17:41,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:17:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:17:41,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:17:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:17:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:17:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:17:41,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:41,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:17:41,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:17:41,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:17:41,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bdc8b9d-8db8-4250-acbd-3a137e2a504a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:17:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:42,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:17:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:43,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-06 03:17:43,317 INFO L279 TraceCheckSpWp]: Computing forward predicates...