./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:29:47,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:29:47,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:29:47,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:29:47,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:29:47,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:29:47,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:29:47,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:29:47,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:29:47,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:29:47,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:29:47,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:29:47,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:29:47,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:29:47,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:29:47,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:29:47,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:29:47,257 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:29:47,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:29:47,257 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-12-05 23:29:47,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:29:47,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:29:47,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:29:47,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:29:47,460 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:29:47,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-12-05 23:29:50,105 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/5dfcbcc59/414f40965b9e457f91d6d2ef64ca96d8/FLAG6a44bba62 [2024-12-05 23:29:50,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:29:50,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-12-05 23:29:50,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/5dfcbcc59/414f40965b9e457f91d6d2ef64ca96d8/FLAG6a44bba62 [2024-12-05 23:29:50,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/5dfcbcc59/414f40965b9e457f91d6d2ef64ca96d8 [2024-12-05 23:29:50,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:29:50,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:29:50,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:29:50,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:29:50,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:29:50,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:29:50" (1/1) ... [2024-12-05 23:29:50,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51430aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:50, skipping insertion in model container [2024-12-05 23:29:50,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:29:50" (1/1) ... [2024-12-05 23:29:50,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:29:50,833 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-12-05 23:29:51,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:29:51,120 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:29:51,128 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-12-05 23:29:51,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:29:51,329 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:29:51,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51 WrapperNode [2024-12-05 23:29:51,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:29:51,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:29:51,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:29:51,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:29:51,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:51,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:51,960 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6833 [2024-12-05 23:29:51,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:29:51,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:29:51,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:29:51,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:29:51,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:51,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:29:52,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:29:52,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:29:52,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:29:52,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:29:51" (1/1) ... [2024-12-05 23:29:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:29:52,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:29:52,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:29:52,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:29:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:29:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:29:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:29:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:29:53,095 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:29:53,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:30:00,104 INFO L? ?]: Removed 3809 outVars from TransFormulas that were not future-live. [2024-12-05 23:30:00,104 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:30:09,552 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:30:09,553 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:30:09,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:09 BoogieIcfgContainer [2024-12-05 23:30:09,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:30:09,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:30:09,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:30:09,564 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:30:09,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:30:09" (1/1) ... [2024-12-05 23:30:09,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:30:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:30:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:30:09,623 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:30:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:30:09,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:30:09,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:30:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:30:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:30:21,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:30:31,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:30:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:30:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:30:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:30:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:30:31,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:30:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:31:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:31:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:31:41,439 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) [2024-12-05 23:31:41,442 INFO L158 Benchmark]: Toolchain (without parser) took 110784.75ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 89.7MB in the beginning and 1.0GB in the end (delta: -912.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-05 23:31:41,443 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:41,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.22ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 89.7MB in the beginning and 123.8MB in the end (delta: -34.1MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-12-05 23:31:41,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 630.03ms. Allocated memory was 192.9MB in the beginning and 419.4MB in the end (delta: 226.5MB). Free memory was 123.7MB in the beginning and 261.5MB in the end (delta: -137.8MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2024-12-05 23:31:41,444 INFO L158 Benchmark]: Boogie Preprocessor took 712.57ms. Allocated memory is still 419.4MB. Free memory was 261.5MB in the beginning and 226.3MB in the end (delta: 35.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-12-05 23:31:41,445 INFO L158 Benchmark]: RCFGBuilder took 16879.58ms. Allocated memory was 419.4MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 226.3MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 23:31:41,445 INFO L158 Benchmark]: CodeCheck took 91886.87ms. Allocated memory was 2.1GB in the beginning and 2.2GB in the end (delta: 92.3MB). Free memory was 1.5GB in the beginning and 1.0GB in the end (delta: 518.3MB). Peak memory consumption was 610.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:41,448 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 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.22ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 89.7MB in the beginning and 123.8MB in the end (delta: -34.1MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 630.03ms. Allocated memory was 192.9MB in the beginning and 419.4MB in the end (delta: 226.5MB). Free memory was 123.7MB in the beginning and 261.5MB in the end (delta: -137.8MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 712.57ms. Allocated memory is still 419.4MB. Free memory was 261.5MB in the beginning and 226.3MB in the end (delta: 35.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * RCFGBuilder took 16879.58ms. Allocated memory was 419.4MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 226.3MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 91886.87ms. Allocated memory was 2.1GB in the beginning and 2.2GB in the end (delta: 92.3MB). Free memory was 1.5GB in the beginning and 1.0GB in the end (delta: 518.3MB). Peak memory consumption was 610.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:31:41,658 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:31:41,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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 be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:31:43,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:31:43,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:31:43,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:31:43,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:31:43,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:31:43,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:31:43,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:31:43,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:31:43,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:31:43,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:31:43,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:31:43,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:43,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:31:43,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:31:43,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:31:43,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:31:43,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:43,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:31:43,595 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/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 -> be0bab9383d2a4564721e1782bf55847d411cd965953ed7ba185b34aef7281d2 [2024-12-05 23:31:43,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:31:43,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:31:43,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:31:43,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:31:43,827 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:31:43,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-12-05 23:31:46,519 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/66d678254/eb7001a03dae4e4cabfc7d87f0e9a85f/FLAG5bf2b0945 [2024-12-05 23:31:46,788 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:31:46,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c [2024-12-05 23:31:46,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/66d678254/eb7001a03dae4e4cabfc7d87f0e9a85f/FLAG5bf2b0945 [2024-12-05 23:31:47,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/data/66d678254/eb7001a03dae4e4cabfc7d87f0e9a85f [2024-12-05 23:31:47,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:31:47,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:31:47,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:47,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:31:47,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:31:47,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785434d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47, skipping insertion in model container [2024-12-05 23:31:47,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:31:47,280 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-12-05 23:31:47,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:47,532 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:31:47,542 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_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.2.prop1-func-interl.c[1175,1188] [2024-12-05 23:31:47,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:47,669 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:31:47,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47 WrapperNode [2024-12-05 23:31:47,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:47,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:47,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:31:47,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:31:47,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,789 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2089 [2024-12-05 23:31:47,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:47,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:31:47,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:31:47,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:31:47,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:31:47,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:31:47,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:31:47,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:31:47,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:47,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:31:47,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:31:47,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:31:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:31:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:31:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:31:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:31:48,328 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:31:48,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:31:49,899 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-12-05 23:31:49,899 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:31:49,955 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:31:49,955 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:31:49,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:49 BoogieIcfgContainer [2024-12-05 23:31:49,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:31:49,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:31:49,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:31:49,963 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:31:49,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:31:49" (1/1) ... [2024-12-05 23:31:49,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:31:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:31:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:31:50,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:31:50,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:50,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:50,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:31:50,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:31:50,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:31:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:50,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:31:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:50,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:31:50,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:31:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:31:50,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:31:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:31:51,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:31:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:31:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:31:51,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:31:51,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:51,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:31:51,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:31:51,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8a39be-fce3-4cc9-bd13-8e04fad267a8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:31:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:52,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:31:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:31:52,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:31:52,444 INFO L279 TraceCheckSpWp]: Computing forward predicates...