./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/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_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/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_cd91d217-a120-4774-bced-4fdf2559a175/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 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:22:12,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:22:12,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:22:12,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:22:12,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:22:12,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:22:12,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:22:12,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:22:12,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:22:12,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:22:12,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:22:12,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:22:12,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:22:12,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:22:12,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:22:12,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:22:12,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:22:12,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:22:12,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:22:12,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:22:12,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:22:12,755 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:22:12,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:22:12,755 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_cd91d217-a120-4774-bced-4fdf2559a175/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 -> 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 [2024-12-06 02:22:12,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:22:12,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:22:12,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:22:12,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:22:12,987 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:22:12,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-12-06 02:22:15,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/d3ce75cb4/9a0a0a06dbba4a0c960e8eda7b7011fa/FLAG593a31015 [2024-12-06 02:22:15,979 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:22:15,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-12-06 02:22:15,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/d3ce75cb4/9a0a0a06dbba4a0c960e8eda7b7011fa/FLAG593a31015 [2024-12-06 02:22:16,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/d3ce75cb4/9a0a0a06dbba4a0c960e8eda7b7011fa [2024-12-06 02:22:16,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:22:16,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:22:16,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:22:16,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:22:16,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:22:16,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:16,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a64afb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16, skipping insertion in model container [2024-12-06 02:22:16,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:16,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:22:16,483 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_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-12-06 02:22:16,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:22:16,774 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:22:16,780 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_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-12-06 02:22:16,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:22:16,972 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:22:16,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16 WrapperNode [2024-12-06 02:22:16,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:22:16,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:22:16,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:22:16,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:22:16,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,506 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5159 [2024-12-06 02:22:17,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:22:17,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:22:17,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:22:17,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:22:17,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:17,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:18,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:22:18,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:22:18,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:22:18,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:22:18,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:22:16" (1/1) ... [2024-12-06 02:22:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:22:18,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:22:18,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:22:18,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:22:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:22:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:22:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:22:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:22:18,425 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:22:18,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:22:23,177 INFO L? ?]: Removed 2980 outVars from TransFormulas that were not future-live. [2024-12-06 02:22:23,177 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:22:28,430 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:22:28,430 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:22:28,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:22:28 BoogieIcfgContainer [2024-12-06 02:22:28,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:22:28,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:22:28,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:22:28,438 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:22:28,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:22:28" (1/1) ... [2024-12-06 02:22:28,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:22:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:22:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:22:28,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:22:28,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:35,562 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 02:22:45,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:22:55,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:23:03,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:23:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:23:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:23:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:23:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:23:03,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:23:03,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:23:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:23:51,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:24:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:24:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:24:53,165 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 02:24:53,171 INFO L158 Benchmark]: Toolchain (without parser) took 156895.21ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 89.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 02:24:53,171 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:24:53,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.17ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 89.5MB in the beginning and 150.7MB in the end (delta: -61.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2024-12-06 02:24:53,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 532.39ms. Allocated memory was 209.7MB in the beginning and 218.1MB in the end (delta: 8.4MB). Free memory was 150.7MB in the beginning and 91.1MB in the end (delta: 59.6MB). Peak memory consumption was 176.6MB. Max. memory is 16.1GB. [2024-12-06 02:24:53,174 INFO L158 Benchmark]: Boogie Preprocessor took 499.05ms. Allocated memory was 218.1MB in the beginning and 478.2MB in the end (delta: 260.0MB). Free memory was 91.1MB in the beginning and 326.9MB in the end (delta: -235.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-12-06 02:24:53,174 INFO L158 Benchmark]: RCFGBuilder took 10420.11ms. Allocated memory was 478.2MB in the beginning and 755.0MB in the end (delta: 276.8MB). Free memory was 326.9MB in the beginning and 240.6MB in the end (delta: 86.3MB). Peak memory consumption was 503.7MB. Max. memory is 16.1GB. [2024-12-06 02:24:53,175 INFO L158 Benchmark]: CodeCheck took 144737.99ms. Allocated memory was 755.0MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 240.6MB in the beginning and 1.1GB in the end (delta: -853.1MB). Peak memory consumption was 572.8MB. Max. memory is 16.1GB. [2024-12-06 02:24:53,179 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 71.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.17ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 89.5MB in the beginning and 150.7MB in the end (delta: -61.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 532.39ms. Allocated memory was 209.7MB in the beginning and 218.1MB in the end (delta: 8.4MB). Free memory was 150.7MB in the beginning and 91.1MB in the end (delta: 59.6MB). Peak memory consumption was 176.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 499.05ms. Allocated memory was 218.1MB in the beginning and 478.2MB in the end (delta: 260.0MB). Free memory was 91.1MB in the beginning and 326.9MB in the end (delta: -235.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * RCFGBuilder took 10420.11ms. Allocated memory was 478.2MB in the beginning and 755.0MB in the end (delta: 276.8MB). Free memory was 326.9MB in the beginning and 240.6MB in the end (delta: 86.3MB). Peak memory consumption was 503.7MB. Max. memory is 16.1GB. * CodeCheck took 144737.99ms. Allocated memory was 755.0MB in the beginning and 2.2GB in the end (delta: 1.4GB). Free memory was 240.6MB in the beginning and 1.1GB in the end (delta: -853.1MB). Peak memory consumption was 572.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:24:53,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/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_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/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_cd91d217-a120-4774-bced-4fdf2559a175/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 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:24:55,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:24:55,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:24:55,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:24:55,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:24:55,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:24:55,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:24:55,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:24:55,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:24:55,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:24:55,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:24:55,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:24:55,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:24:55,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:24:55,321 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:24:55,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:55,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:24:55,322 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:24:55,322 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_cd91d217-a120-4774-bced-4fdf2559a175/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 -> 4d62b3ceaa78ea2375d5c4b211961c6a12d2cc08c80a4d47a469ae387ed4fb62 [2024-12-06 02:24:55,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:24:55,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:24:55,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:24:55,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:24:55,551 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:24:55,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-12-06 02:24:58,174 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/380128dda/3a80f75c898d4d91a45c45ba873c1ea0/FLAG64351c869 [2024-12-06 02:24:58,462 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:24:58,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c [2024-12-06 02:24:58,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/380128dda/3a80f75c898d4d91a45c45ba873c1ea0/FLAG64351c869 [2024-12-06 02:24:58,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/data/380128dda/3a80f75c898d4d91a45c45ba873c1ea0 [2024-12-06 02:24:58,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:24:58,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:24:58,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:58,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:24:58,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:24:58,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:58" (1/1) ... [2024-12-06 02:24:58,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bad359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:58, skipping insertion in model container [2024-12-06 02:24:58,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:24:58" (1/1) ... [2024-12-06 02:24:58,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:24:58,970 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_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-12-06 02:24:59,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:59,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:24:59,227 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_cd91d217-a120-4774-bced-4fdf2559a175/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.1.prop1-back-serstep.c[1182,1195] [2024-12-06 02:24:59,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:24:59,357 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:24:59,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59 WrapperNode [2024-12-06 02:24:59,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:24:59,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:59,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:24:59,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:24:59,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,479 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2023 [2024-12-06 02:24:59,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:24:59,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:24:59,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:24:59,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:24:59,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,534 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:24:59,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:24:59,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:24:59,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:24:59,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:24:59" (1/1) ... [2024-12-06 02:24:59,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:24:59,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:24:59,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:24:59,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:24:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:24:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:24:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:24:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:24:59,970 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:24:59,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:25:01,921 INFO L? ?]: Removed 216 outVars from TransFormulas that were not future-live. [2024-12-06 02:25:01,921 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:25:01,971 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:25:01,972 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:25:01,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:25:01 BoogieIcfgContainer [2024-12-06 02:25:01,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:25:01,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:25:01,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:25:01,979 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:25:01,980 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:25:01" (1/1) ... [2024-12-06 02:25:01,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:25:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:25:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:25:02,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:25:02,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:02,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:02,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:25:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:02,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:02,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:25:02,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:25:02,975 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 02:25:02,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:25:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:25:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:25:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:25:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:25:03,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:25:03,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:25:03,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:25:03,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:25:03,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd91d217-a120-4774-bced-4fdf2559a175/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:25:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:04,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:25:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:25:04,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-06 02:25:04,659 INFO L279 TraceCheckSpWp]: Computing forward predicates...