./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm --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 096bdc2ebe65602479ad87b7cdec988f45f253ca829a9b23f9a8f8779581ff44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:17:22,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:17:22,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:17:22,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:17:22,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:17:22,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:17:22,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:17:22,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:17:22,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:17:22,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:17:22,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:17:22,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:17:22,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:17:22,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:17:22,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:17:22,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:17:22,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:17:22,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:22,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:17:22,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:17:22,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:17:22,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:17:22,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:17:22,707 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm 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 -> 096bdc2ebe65602479ad87b7cdec988f45f253ca829a9b23f9a8f8779581ff44 [2024-11-13 23:17:23,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:17:23,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:17:23,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:17:23,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:17:23,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:17:23,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c Unable to find full path for "g++" [2024-11-13 23:17:25,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:17:25,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:17:25,509 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c [2024-11-13 23:17:25,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/49038a330/70d24a5146ef431da6d67d83f2b204d7/FLAGc80796ef7 [2024-11-13 23:17:25,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/49038a330/70d24a5146ef431da6d67d83f2b204d7 [2024-11-13 23:17:25,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:17:25,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:17:25,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:25,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:17:25,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:17:25,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:25" (1/1) ... [2024-11-13 23:17:25,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79758752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:25, skipping insertion in model container [2024-11-13 23:17:25,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:25" (1/1) ... [2024-11-13 23:17:25,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:17:25,949 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c[1176,1189] [2024-11-13 23:17:26,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:26,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:17:26,764 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c[1176,1189] [2024-11-13 23:17:27,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:17:27,194 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:17:27,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27 WrapperNode [2024-11-13 23:17:27,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:17:27,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:27,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:17:27,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:17:27,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:27,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:29,064 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13121 [2024-11-13 23:17:29,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:17:29,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:17:29,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:17:29,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:17:29,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:29,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:29,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:29,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:30,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:30,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:30,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:30,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:31,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:17:31,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:17:31,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:17:31,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:17:31,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2024-11-13 23:17:31,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:17:31,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:17:31,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:17:31,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:17:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:17:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:17:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:17:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:17:32,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:17:32,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:17:53,601 INFO L? ?]: Removed 7395 outVars from TransFormulas that were not future-live. [2024-11-13 23:17:53,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:18:23,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:18:23,604 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:18:23,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:23 BoogieIcfgContainer [2024-11-13 23:18:23,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:18:23,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:18:23,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:18:23,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:18:23,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:18:23" (1/1) ... [2024-11-13 23:18:23,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:18:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:18:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:18:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:18:23,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:23,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:38,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:18:48,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:18:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:18:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:18:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:18:48,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:26:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:27:07,685 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:27:07,700 INFO L158 Benchmark]: Toolchain (without parser) took 582135.11ms. Allocated memory was 117.4MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 87.1MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2024-11-13 23:27:07,700 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:27:07,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1631.08ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 86.8MB in the beginning and 105.5MB in the end (delta: -18.8MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2024-11-13 23:27:07,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 1868.69ms. Allocated memory was 192.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 105.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 326.6MB. Max. memory is 16.1GB. [2024-11-13 23:27:07,707 INFO L158 Benchmark]: Boogie Preprocessor took 2019.57ms. Allocated memory was 1.7GB in the beginning and 813.7MB in the end (delta: -922.7MB). Free memory was 1.5GB in the beginning and 451.8MB in the end (delta: 1.0GB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2024-11-13 23:27:07,707 INFO L158 Benchmark]: RCFGBuilder took 52518.13ms. Allocated memory was 813.7MB in the beginning and 2.0GB in the end (delta: 1.2GB). Free memory was 451.8MB in the beginning and 1.1GB in the end (delta: -628.0MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-13 23:27:07,708 INFO L158 Benchmark]: CodeCheck took 524092.43ms. Allocated memory was 2.0GB in the beginning and 6.0GB in the end (delta: 4.0GB). Free memory was 1.1GB in the beginning and 2.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-11-13 23:27:07,713 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1631.08ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 86.8MB in the beginning and 105.5MB in the end (delta: -18.8MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1868.69ms. Allocated memory was 192.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 105.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 326.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2019.57ms. Allocated memory was 1.7GB in the beginning and 813.7MB in the end (delta: -922.7MB). Free memory was 1.5GB in the beginning and 451.8MB in the end (delta: 1.0GB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * RCFGBuilder took 52518.13ms. Allocated memory was 813.7MB in the beginning and 2.0GB in the end (delta: 1.2GB). Free memory was 451.8MB in the beginning and 1.1GB in the end (delta: -628.0MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 524092.43ms. Allocated memory was 2.0GB in the beginning and 6.0GB in the end (delta: 4.0GB). Free memory was 1.1GB in the beginning and 2.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:27:07,944 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 23:27:07,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/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_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm --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 096bdc2ebe65602479ad87b7cdec988f45f253ca829a9b23f9a8f8779581ff44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:27:11,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:27:11,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:27:11,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:27:11,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:27:11,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:27:11,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:27:11,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:27:11,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:27:11,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:27:11,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:27:11,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:27:11,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:27:11,191 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:27:11,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:27:11,192 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:27:11,192 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:27:11,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:27:11,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:27:11,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:27:11,194 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:27:11,194 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:11,194 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:27:11,194 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm 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 -> 096bdc2ebe65602479ad87b7cdec988f45f253ca829a9b23f9a8f8779581ff44 [2024-11-13 23:27:11,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:27:11,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:27:11,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:27:11,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:27:11,554 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:27:11,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c Unable to find full path for "g++" [2024-11-13 23:27:13,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:27:14,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:27:14,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c [2024-11-13 23:27:14,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/952966115/b74f0c20a351493aa9cf1f970c16e169/FLAG38dd36907 [2024-11-13 23:27:14,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/data/952966115/b74f0c20a351493aa9cf1f970c16e169 [2024-11-13 23:27:14,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:27:14,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:27:14,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:14,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:27:14,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:27:14,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:14" (1/1) ... [2024-11-13 23:27:14,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11166fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:14, skipping insertion in model container [2024-11-13 23:27:14,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:27:14" (1/1) ... [2024-11-13 23:27:14,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:27:15,028 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c[1176,1189] [2024-11-13 23:27:15,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:15,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:27:15,693 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_3bf4518a-320f-4c70-ac87-36fe71460bb4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.2.prop2-func-interl.c[1176,1189] [2024-11-13 23:27:15,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:27:15,984 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:27:15,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15 WrapperNode [2024-11-13 23:27:15,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:27:15,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:15,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:27:15,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:27:15,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,255 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3989 [2024-11-13 23:27:16,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:27:16,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:27:16,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:27:16,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:27:16,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:27:16,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:27:16,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:27:16,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:27:16,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:27:15" (1/1) ... [2024-11-13 23:27:16,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:27:16,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:27:16,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:27:16,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:27:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:27:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:27:16,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:27:16,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:27:17,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:27:17,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:27:24,665 INFO L? ?]: Removed 118 outVars from TransFormulas that were not future-live. [2024-11-13 23:27:24,665 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:27:24,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:27:24,835 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:27:24,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:24 BoogieIcfgContainer [2024-11-13 23:27:24,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:27:24,837 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:27:24,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:27:24,848 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:27:24,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:27:24" (1/1) ... [2024-11-13 23:27:24,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:27:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:27:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:27:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:27:24,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:24,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:24,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:27:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:26,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:27:26,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:26,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:27:28,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:27:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:27:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:27:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:27:28,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:28,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:28,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf4518a-320f-4c70-ac87-36fe71460bb4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:27:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:31,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:32,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 23:27:32,132 INFO L278 TraceCheckSpWp]: Computing forward predicates...