./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:02:31,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:02:31,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 06:02:31,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:02:31,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:02:31,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:02:31,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:02:31,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:02:31,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:02:31,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:02:31,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:02:31,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:02:31,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:02:31,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:31,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:02:31,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:02:31,561 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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 -> 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 [2024-12-06 06:02:31,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:02:31,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:02:31,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:02:31,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:02:31,809 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:02:31,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2024-12-06 06:02:34,401 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/04608f338/50d84c419faf4335863ce5878fed995a/FLAG4a689b069 [2024-12-06 06:02:34,684 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:02:34,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2024-12-06 06:02:34,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/04608f338/50d84c419faf4335863ce5878fed995a/FLAG4a689b069 [2024-12-06 06:02:34,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/04608f338/50d84c419faf4335863ce5878fed995a [2024-12-06 06:02:34,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:02:34,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:02:34,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:34,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:02:34,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:02:34,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:34" (1/1) ... [2024-12-06 06:02:34,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766933e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:34, skipping insertion in model container [2024-12-06 06:02:34,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:34" (1/1) ... [2024-12-06 06:02:35,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:02:35,219 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2024-12-06 06:02:35,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:35,620 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:02:35,628 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2024-12-06 06:02:35,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:35,831 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:02:35,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35 WrapperNode [2024-12-06 06:02:35,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:35,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:35,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:02:35,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:02:35,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:35,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:36,803 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9977 [2024-12-06 06:02:36,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:36,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:02:36,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:02:36,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:02:36,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:36,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:02:37,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:02:37,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:02:37,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:02:37,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:35" (1/1) ... [2024-12-06 06:02:37,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:37,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:02:37,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:02:37,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:02:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:02:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:02:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:02:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:02:38,072 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:02:38,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:02:48,714 INFO L? ?]: Removed 5577 outVars from TransFormulas that were not future-live. [2024-12-06 06:02:48,714 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:03:01,516 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:03:01,516 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:03:01,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:01 BoogieIcfgContainer [2024-12-06 06:03:01,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:03:01,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:03:01,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:03:01,523 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:03:01,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:03:01" (1/1) ... [2024-12-06 06:03:01,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:03:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:03:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:03:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:03:01,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:03:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:03:13,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:03:23,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:03:23,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 06:03:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 06:03:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:03:23,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:23,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:05:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:06,299 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:06:06,305 INFO L158 Benchmark]: Toolchain (without parser) took 211339.15ms. Allocated memory was 134.2MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 102.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 956.6MB. Max. memory is 16.1GB. [2024-12-06 06:06:06,306 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:06,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.54ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 48.4MB in the end (delta: 54.1MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2024-12-06 06:06:06,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 970.60ms. Allocated memory was 134.2MB in the beginning and 486.5MB in the end (delta: 352.3MB). Free memory was 48.4MB in the beginning and 231.5MB in the end (delta: -183.1MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:06,307 INFO L158 Benchmark]: Boogie Preprocessor took 714.68ms. Allocated memory is still 486.5MB. Free memory was 231.5MB in the beginning and 202.5MB in the end (delta: 29.0MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2024-12-06 06:06:06,308 INFO L158 Benchmark]: RCFGBuilder took 23997.43ms. Allocated memory was 486.5MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 202.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 06:06:06,309 INFO L158 Benchmark]: CodeCheck took 184787.10ms. Allocated memory was 2.3GB in the beginning and 4.6GB in the end (delta: 2.3GB). Free memory was 1.4GB in the beginning and 3.6GB in the end (delta: -2.2GB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-12-06 06:06:06,312 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 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.54ms. Allocated memory is still 134.2MB. Free memory was 102.5MB in the beginning and 48.4MB in the end (delta: 54.1MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 970.60ms. Allocated memory was 134.2MB in the beginning and 486.5MB in the end (delta: 352.3MB). Free memory was 48.4MB in the beginning and 231.5MB in the end (delta: -183.1MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 714.68ms. Allocated memory is still 486.5MB. Free memory was 231.5MB in the beginning and 202.5MB in the end (delta: 29.0MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * RCFGBuilder took 23997.43ms. Allocated memory was 486.5MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 202.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 184787.10ms. Allocated memory was 2.3GB in the beginning and 4.6GB in the end (delta: 2.3GB). Free memory was 1.4GB in the beginning and 3.6GB in the end (delta: -2.2GB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:06:06,523 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 06:06:06,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:08,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:08,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:06:08,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:08,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:08,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:08,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:08,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:08,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:06:08,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:08,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:06:08,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:08,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:08,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:08,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:08,705 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:06:08,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:08,705 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:06:08,705 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/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 -> 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51 [2024-12-06 06:06:08,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:08,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:08,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:08,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:08,957 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:08,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2024-12-06 06:06:12,298 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/ed09bc753/f9b07bd64a2b43f7ab8fa39bfb3da16d/FLAG679e88077 [2024-12-06 06:06:12,654 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:12,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c [2024-12-06 06:06:12,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/ed09bc753/f9b07bd64a2b43f7ab8fa39bfb3da16d/FLAG679e88077 [2024-12-06 06:06:12,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/data/ed09bc753/f9b07bd64a2b43f7ab8fa39bfb3da16d [2024-12-06 06:06:12,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:12,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:12,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:12,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:12,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:12,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:12" (1/1) ... [2024-12-06 06:06:12,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9d3f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:12, skipping insertion in model container [2024-12-06 06:06:12,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:12" (1/1) ... [2024-12-06 06:06:12,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:13,176 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2024-12-06 06:06:13,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:13,463 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:13,470 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_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c[1175,1188] [2024-12-06 06:06:13,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:13,612 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:13,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13 WrapperNode [2024-12-06 06:06:13,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:13,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:13,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:13,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:13,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,766 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3041 [2024-12-06 06:06:13,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:13,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:13,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:13,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:13,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:13,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:13,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:13,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:13,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:13" (1/1) ... [2024-12-06 06:06:13,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:13,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:13,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:06:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:14,419 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:14,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:17,341 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:17,341 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:17,441 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:17,441 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:06:17,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:17 BoogieIcfgContainer [2024-12-06 06:06:17,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:17,442 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:17,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:17,451 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:17,451 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:17" (1/1) ... [2024-12-06 06:06:17,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:17,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:06:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:06:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:06:17,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:17,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:17,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:17,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:06:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:18,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:18,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 06:06:18,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:18,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:06:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:06:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:06:18,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:06:18,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:18,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:18,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:18,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66864c7-66b3-40af-8e26-8ba9c1dfb5c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:06:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:20,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:21,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 06:06:21,028 INFO L279 TraceCheckSpWp]: Computing forward predicates...