./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/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_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/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_c755ba1f-810b-48b8-affd-74e1da15b53c/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 0194c85d1af40d28397a5213e79c8a270ca94d04d25448f8831abf64ac4933a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:50,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:50,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:26:50,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:50,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:50,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:50,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:50,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:50,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:50,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:50,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:50,895 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:50,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:50,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:50,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:50,895 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_c755ba1f-810b-48b8-affd-74e1da15b53c/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 -> 0194c85d1af40d28397a5213e79c8a270ca94d04d25448f8831abf64ac4933a7 [2024-12-05 21:26:51,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:51,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:51,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:51,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:51,140 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:51,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c [2024-12-05 21:26:53,763 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/0cf16fa72/e12ba238149e40689eafdc018c7bd88b/FLAG303402f14 [2024-12-05 21:26:54,073 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:54,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c [2024-12-05 21:26:54,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/0cf16fa72/e12ba238149e40689eafdc018c7bd88b/FLAG303402f14 [2024-12-05 21:26:54,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/0cf16fa72/e12ba238149e40689eafdc018c7bd88b [2024-12-05 21:26:54,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:54,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:54,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:54,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:54,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35feac61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54, skipping insertion in model container [2024-12-05 21:26:54,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,403 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:54,546 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_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c[1171,1184] [2024-12-05 21:26:54,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,928 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:54,938 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_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c[1171,1184] [2024-12-05 21:26:55,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:55,158 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:55,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55 WrapperNode [2024-12-05 21:26:55,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:55,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:55,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:55,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:55,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,864 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9269 [2024-12-05 21:26:55,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:55,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:55,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:55,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:55,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,301 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:56,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:56,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:56,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:56,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:56,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:56,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:56,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:56,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:26:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:26:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:57,161 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:57,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:08,370 INFO L? ?]: Removed 5106 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:08,371 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:20,826 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:20,826 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:20,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:20 BoogieIcfgContainer [2024-12-05 21:27:20,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:20,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:20,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:20,835 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:20,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:20" (1/1) ... [2024-12-05 21:27:20,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:27:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:27:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:20,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:33,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:27:43,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 21:27:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:27:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:27:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:27:44,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:44,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:29:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:29:51,996 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 21:29:51,999 INFO L158 Benchmark]: Toolchain (without parser) took 177649.50ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 89.1MB in the beginning and 596.9MB in the end (delta: -507.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-05 21:29:51,999 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:29:52,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.33ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 88.9MB in the beginning and 128.8MB in the end (delta: -39.9MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-12-05 21:29:52,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 705.44ms. Allocated memory was 218.1MB in the beginning and 503.3MB in the end (delta: 285.2MB). Free memory was 128.8MB in the beginning and 293.0MB in the end (delta: -164.2MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2024-12-05 21:29:52,001 INFO L158 Benchmark]: Boogie Preprocessor took 744.62ms. Allocated memory is still 503.3MB. Free memory was 293.0MB in the beginning and 262.7MB in the end (delta: 30.2MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-05 21:29:52,001 INFO L158 Benchmark]: RCFGBuilder took 24215.97ms. Allocated memory was 503.3MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 262.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 21:29:52,002 INFO L158 Benchmark]: CodeCheck took 151170.43ms. Allocated memory was 2.4GB in the beginning and 1.7GB in the end (delta: -696.3MB). Free memory was 1.7GB in the beginning and 596.9MB in the end (delta: 1.1GB). Peak memory consumption was 443.3MB. Max. memory is 16.1GB. [2024-12-05 21:29:52,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.33ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 88.9MB in the beginning and 128.8MB in the end (delta: -39.9MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 705.44ms. Allocated memory was 218.1MB in the beginning and 503.3MB in the end (delta: 285.2MB). Free memory was 128.8MB in the beginning and 293.0MB in the end (delta: -164.2MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 744.62ms. Allocated memory is still 503.3MB. Free memory was 293.0MB in the beginning and 262.7MB in the end (delta: 30.2MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * RCFGBuilder took 24215.97ms. Allocated memory was 503.3MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 262.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 151170.43ms. Allocated memory was 2.4GB in the beginning and 1.7GB in the end (delta: -696.3MB). Free memory was 1.7GB in the beginning and 596.9MB in the end (delta: 1.1GB). Peak memory consumption was 443.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:29:52,214 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 21:29:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/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_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/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_c755ba1f-810b-48b8-affd-74e1da15b53c/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 0194c85d1af40d28397a5213e79c8a270ca94d04d25448f8831abf64ac4933a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:29:54,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:29:54,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 21:29:54,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:29:54,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:29:54,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:29:54,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:29:54,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:29:54,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:29:54,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:29:54,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:29:54,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:29:54,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:29:54,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:29:54,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:29:54,159 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:29:54,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:29:54,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:29:54,159 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_c755ba1f-810b-48b8-affd-74e1da15b53c/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 -> 0194c85d1af40d28397a5213e79c8a270ca94d04d25448f8831abf64ac4933a7 [2024-12-05 21:29:54,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:29:54,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:29:54,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:29:54,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:29:54,401 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:29:54,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c [2024-12-05 21:29:57,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/643f08399/79e6f13441be4ba0b269d20496469206/FLAG93568fe5d [2024-12-05 21:29:57,378 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:29:57,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c [2024-12-05 21:29:57,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/643f08399/79e6f13441be4ba0b269d20496469206/FLAG93568fe5d [2024-12-05 21:29:57,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/data/643f08399/79e6f13441be4ba0b269d20496469206 [2024-12-05 21:29:57,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:29:57,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:29:57,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:29:57,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:29:57,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:29:57,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:57" (1/1) ... [2024-12-05 21:29:57,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785434d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:57, skipping insertion in model container [2024-12-05 21:29:57,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:29:57" (1/1) ... [2024-12-05 21:29:57,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:29:57,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c[1171,1184] [2024-12-05 21:29:58,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:29:58,136 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:29:58,146 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_c755ba1f-810b-48b8-affd-74e1da15b53c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop1-func-interl.c[1171,1184] [2024-12-05 21:29:58,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:29:58,285 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:29:58,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58 WrapperNode [2024-12-05 21:29:58,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:29:58,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:29:58,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:29:58,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:29:58,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,424 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2653 [2024-12-05 21:29:58,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:29:58,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:29:58,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:29:58,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:29:58,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,485 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:29:58,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:29:58,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:29:58,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:29:58,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:29:58" (1/1) ... [2024-12-05 21:29:58,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:29:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:29:58,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:29:58,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:29:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:29:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:29:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:29:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:29:59,052 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:29:59,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:30:01,812 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-12-05 21:30:01,812 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:30:01,876 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:30:01,876 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:30:01,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:30:01 BoogieIcfgContainer [2024-12-05 21:30:01,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:30:01,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:30:01,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:30:01,884 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:30:01,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:30:01" (1/1) ... [2024-12-05 21:30:01,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:30:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:30:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:30:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:30:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:30:01,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:30:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:30:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:30:01,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:30:01,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:30:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:02,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:30:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:02,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:30:02,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:30:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:30:02,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:30:03,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:30:03,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:30:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:30:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:30:03,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:30:03,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:30:03,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:30:03,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:30:03,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c755ba1f-810b-48b8-affd-74e1da15b53c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:30:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:04,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:30:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:04,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 21:30:04,790 INFO L279 TraceCheckSpWp]: Computing forward predicates...