./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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 e2c0e9683dc1c3452234117f54dad21cf25cb85edc6cb98233b26b52638fd46a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:21:56,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:21:56,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:21:56,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:21:56,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:21:56,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:21:56,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:21:56,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:21:56,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:21:56,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:21:56,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:21:56,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:21:56,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:21:56,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:21:56,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:21:56,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:21:56,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:21:56,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:21:56,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:21:56,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:21:56,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:21:56,810 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:21:56,810 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:21:56,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:21:56,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:21:56,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:21:56,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:21:56,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:21:56,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:21:56,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:21:56,812 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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 -> e2c0e9683dc1c3452234117f54dad21cf25cb85edc6cb98233b26b52638fd46a [2024-11-25 03:21:57,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:21:57,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:21:57,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:21:57,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:21:57,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:21:57,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c [2024-11-25 03:22:00,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/a34f19032/3a9c52799b9d42249714b410ab36bf3a/FLAGc2ae21ad1 [2024-11-25 03:22:01,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:22:01,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c [2024-11-25 03:22:01,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/a34f19032/3a9c52799b9d42249714b410ab36bf3a/FLAGc2ae21ad1 [2024-11-25 03:22:01,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/a34f19032/3a9c52799b9d42249714b410ab36bf3a [2024-11-25 03:22:01,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:22:01,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:22:01,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:01,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:22:01,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:22:01,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:01" (1/1) ... [2024-11-25 03:22:01,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b210c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:01, skipping insertion in model container [2024-11-25 03:22:01,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:22:01" (1/1) ... [2024-11-25 03:22:01,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:22:01,962 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c[1184,1197] [2024-11-25 03:22:02,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:02,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:22:02,551 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c[1184,1197] [2024-11-25 03:22:02,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:22:02,937 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:22:02,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02 WrapperNode [2024-11-25 03:22:02,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:22:02,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:02,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:22:02,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:22:02,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:03,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:03,758 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5356 [2024-11-25 03:22:03,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:22:03,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:22:03,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:22:03,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:22:03,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:03,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:03,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:03,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:22:04,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:22:04,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:22:04,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:22:04,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:22:02" (1/1) ... [2024-11-25 03:22:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:22:04,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:22:04,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:22:04,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:22:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:22:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:22:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:22:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:22:05,453 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:22:05,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:22:14,880 INFO L? ?]: Removed 3157 outVars from TransFormulas that were not future-live. [2024-11-25 03:22:14,880 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:22:25,036 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:22:25,036 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:22:25,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:25 BoogieIcfgContainer [2024-11-25 03:22:25,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:22:25,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:22:25,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:22:25,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:22:25,050 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:22:25" (1/1) ... [2024-11-25 03:22:25,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:22:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:22:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:22:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:22:25,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:22:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:27,322 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 03:22:37,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:22:47,921 WARN L539 Checker$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 03:22:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:22:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:22:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:22:48,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:48,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:23:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:23:41,876 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:24:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:24:44,432 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 03:24:44,437 INFO L158 Benchmark]: Toolchain (without parser) took 162864.74ms. Allocated memory was 167.8MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 130.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-11-25 03:24:44,437 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:44,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1366.14ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 106.4MB in the end (delta: 23.6MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. [2024-11-25 03:24:44,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 818.99ms. Allocated memory was 167.8MB in the beginning and 528.5MB in the end (delta: 360.7MB). Free memory was 106.4MB in the beginning and 386.9MB in the end (delta: -280.5MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2024-11-25 03:24:44,439 INFO L158 Benchmark]: Boogie Preprocessor took 938.99ms. Allocated memory is still 528.5MB. Free memory was 386.9MB in the beginning and 368.2MB in the end (delta: 18.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-25 03:24:44,439 INFO L158 Benchmark]: RCFGBuilder took 20335.65ms. Allocated memory was 528.5MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 367.9MB in the beginning and 814.3MB in the end (delta: -446.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 03:24:44,441 INFO L158 Benchmark]: CodeCheck took 139398.53ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 2.0GB). Free memory was 814.3MB in the beginning and 1.4GB in the end (delta: -578.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-25 03:24:44,443 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 1.78ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1366.14ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 106.4MB in the end (delta: 23.6MB). Peak memory consumption was 99.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 818.99ms. Allocated memory was 167.8MB in the beginning and 528.5MB in the end (delta: 360.7MB). Free memory was 106.4MB in the beginning and 386.9MB in the end (delta: -280.5MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 938.99ms. Allocated memory is still 528.5MB. Free memory was 386.9MB in the beginning and 368.2MB in the end (delta: 18.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * RCFGBuilder took 20335.65ms. Allocated memory was 528.5MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 367.9MB in the beginning and 814.3MB in the end (delta: -446.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 139398.53ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 2.0GB). Free memory was 814.3MB in the beginning and 1.4GB in the end (delta: -578.2MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:24:44,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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 e2c0e9683dc1c3452234117f54dad21cf25cb85edc6cb98233b26b52638fd46a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:24:47,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:24:47,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:24:47,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:24:47,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:24:47,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:24:47,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:24:47,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:24:47,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:24:47,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:24:47,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:24:47,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:24:47,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:24:47,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:24:47,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:24:47,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:24:47,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:24:47,505 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:47,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:24:47,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:24:47,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:47,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:24:47,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:24:47,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:24:47,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:24:47,507 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:47,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:24:47,507 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/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 -> e2c0e9683dc1c3452234117f54dad21cf25cb85edc6cb98233b26b52638fd46a [2024-11-25 03:24:47,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:24:47,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:24:47,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:24:47,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:24:47,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:24:47,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c [2024-11-25 03:24:50,987 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/b879fe03b/872f7d27d8fe4899ae4bca943aad3222/FLAGcfdbc4ab5 [2024-11-25 03:24:51,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:24:51,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c [2024-11-25 03:24:51,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/b879fe03b/872f7d27d8fe4899ae4bca943aad3222/FLAGcfdbc4ab5 [2024-11-25 03:24:51,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/data/b879fe03b/872f7d27d8fe4899ae4bca943aad3222 [2024-11-25 03:24:51,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:24:51,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:24:51,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:51,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:24:51,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:24:51,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:51" (1/1) ... [2024-11-25 03:24:51,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dd7dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:51, skipping insertion in model container [2024-11-25 03:24:51,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:51" (1/1) ... [2024-11-25 03:24:51,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:24:51,828 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c[1184,1197] [2024-11-25 03:24:52,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:52,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:24:52,250 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_894546b8-f9b8-4e48-8185-b4dcb0d186fe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator_planning.2.prop1-func-interl.c[1184,1197] [2024-11-25 03:24:52,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:52,468 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:24:52,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52 WrapperNode [2024-11-25 03:24:52,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:52,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:52,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:24:52,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:24:52,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,682 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1968 [2024-11-25 03:24:52,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:52,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:24:52,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:24:52,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:24:52,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:24:52,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:24:52,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:24:52,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:24:52,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:52" (1/1) ... [2024-11-25 03:24:52,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:52,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:24:52,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:24:52,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:24:52,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:24:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:24:52,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:24:52,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:24:53,395 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:24:53,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:24:55,843 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-25 03:24:55,843 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:24:55,943 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:24:55,944 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:24:55,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:55 BoogieIcfgContainer [2024-11-25 03:24:55,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:24:55,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:24:55,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:24:55,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:24:55,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:55" (1/1) ... [2024-11-25 03:24:55,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:24:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:24:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:24:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:24:56,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:56,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:56,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:56,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:24:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:56,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:24:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:56,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:24:56,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:24:57,090 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 03:24:57,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:24:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:24:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:24:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:24:57,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:57,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:57,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894546b8-f9b8-4e48-8185-b4dcb0d186fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:24:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:58,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:24:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:24:58,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:24:58,942 INFO L279 TraceCheckSpWp]: Computing forward predicates...