./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.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_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/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_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/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_760b81bf-801a-4ea7-aee4-3031e2334c5b/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 f12f7d50f14ba95c82bd24f53b310c87fcbba7e6f88decdc9a46ec8de15d1f0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:41:32,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:41:32,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:41:32,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:41:32,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:41:32,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:41:32,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:41:32,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:41:32,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:41:32,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:41:32,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:41:32,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:41:32,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:41:32,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:41:32,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:41:32,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:41:32,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:41:32,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:32,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:41:32,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:41:32,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:41:32,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:41:32,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:41:32,709 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/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 -> f12f7d50f14ba95c82bd24f53b310c87fcbba7e6f88decdc9a46ec8de15d1f0f [2024-12-05 21:41:32,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:41:32,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:41:32,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:41:32,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:41:32,939 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:41:32,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c [2024-12-05 21:41:35,642 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/f3cc3df03/d7abe22d960a4164be09ccd09d4fbfc9/FLAGf06b5d2ff [2024-12-05 21:41:35,965 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:41:35,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c [2024-12-05 21:41:35,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/f3cc3df03/d7abe22d960a4164be09ccd09d4fbfc9/FLAGf06b5d2ff [2024-12-05 21:41:36,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/f3cc3df03/d7abe22d960a4164be09ccd09d4fbfc9 [2024-12-05 21:41:36,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:41:36,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:41:36,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:36,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:41:36,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:41:36,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:36,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf56f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36, skipping insertion in model container [2024-12-05 21:41:36,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:36,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:41:36,413 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:41:36,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:36,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:41:36,709 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:41:36,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:41:36,892 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:41:36,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36 WrapperNode [2024-12-05 21:41:36,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:41:36,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:36,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:41:36,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:41:36,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:36,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,415 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6536 [2024-12-05 21:41:37,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:41:37,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:41:37,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:41:37,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:41:37,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:41:37,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:41:37,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:41:37,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:41:37,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:41:36" (1/1) ... [2024-12-05 21:41:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:41:37,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:41:37,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:41:37,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:41:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:41:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:41:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:41:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:41:38,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:41:38,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:41:45,660 INFO L? ?]: Removed 3609 outVars from TransFormulas that were not future-live. [2024-12-05 21:41:45,660 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:41:53,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:41:53,238 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:41:53,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:53 BoogieIcfgContainer [2024-12-05 21:41:53,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:41:53,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:41:53,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:41:53,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:41:53,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:41:53" (1/1) ... [2024-12-05 21:41:53,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:41:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:41:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:41:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:41:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:41:53,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:41:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:41:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:41:56,052 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 21:42:06,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:16,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:18,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:20,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:31,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 21:42:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:42:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:42:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:42:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:42:31,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:42:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:44:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:44:06,677 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:45:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:45:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:45:37,042 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 21:45:37,046 INFO L158 Benchmark]: Toolchain (without parser) took 240834.59ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 115.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 610.3MB. Max. memory is 16.1GB. [2024-12-05 21:45:37,046 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:45:37,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.76ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 72.0MB in the end (delta: 43.6MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-12-05 21:45:37,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 521.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.0MB in the beginning and 253.9MB in the end (delta: -181.8MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:37,047 INFO L158 Benchmark]: Boogie Preprocessor took 523.77ms. Allocated memory is still 427.8MB. Free memory was 253.9MB in the beginning and 240.9MB in the end (delta: 13.0MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2024-12-05 21:45:37,047 INFO L158 Benchmark]: RCFGBuilder took 15298.06ms. Allocated memory was 427.8MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 240.9MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-05 21:45:37,048 INFO L158 Benchmark]: CodeCheck took 223806.19ms. Allocated memory was 2.5GB in the beginning and 2.0GB in the end (delta: -545.3MB). Free memory was 1.9GB in the beginning and 1.3GB in the end (delta: 591.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2024-12-05 21:45:37,049 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 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.76ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 72.0MB in the end (delta: 43.6MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 521.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.0MB in the beginning and 253.9MB in the end (delta: -181.8MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 523.77ms. Allocated memory is still 427.8MB. Free memory was 253.9MB in the beginning and 240.9MB in the end (delta: 13.0MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. * RCFGBuilder took 15298.06ms. Allocated memory was 427.8MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 240.9MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 223806.19ms. Allocated memory was 2.5GB in the beginning and 2.0GB in the end (delta: -545.3MB). Free memory was 1.9GB in the beginning and 1.3GB in the end (delta: 591.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 21:45:37,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/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_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/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_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/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_760b81bf-801a-4ea7-aee4-3031e2334c5b/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 f12f7d50f14ba95c82bd24f53b310c87fcbba7e6f88decdc9a46ec8de15d1f0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:45:39,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:45:39,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 21:45:39,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:45:39,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:45:39,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:45:39,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:45:39,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:45:39,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:45:39,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:39,205 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:45:39,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:39,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:39,206 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:45:39,206 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/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 -> f12f7d50f14ba95c82bd24f53b310c87fcbba7e6f88decdc9a46ec8de15d1f0f [2024-12-05 21:45:39,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:45:39,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:45:39,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:45:39,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:45:39,461 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:45:39,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c [2024-12-05 21:45:42,086 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/fb347772c/11ea823e69a14a7295cac66b0137adb7/FLAG55525c9ff [2024-12-05 21:45:42,390 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:45:42,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c [2024-12-05 21:45:42,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/fb347772c/11ea823e69a14a7295cac66b0137adb7/FLAG55525c9ff [2024-12-05 21:45:42,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/data/fb347772c/11ea823e69a14a7295cac66b0137adb7 [2024-12-05 21:45:42,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:45:42,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:45:42,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:42,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:45:42,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:45:42,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:42" (1/1) ... [2024-12-05 21:45:42,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5f455a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:42, skipping insertion in model container [2024-12-05 21:45:42,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:45:42" (1/1) ... [2024-12-05 21:45:42,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:45:42,890 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:45:43,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:43,132 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:45:43,140 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_760b81bf-801a-4ea7-aee4-3031e2334c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-back-serstep.c[1174,1187] [2024-12-05 21:45:43,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:45:43,262 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:45:43,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43 WrapperNode [2024-12-05 21:45:43,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:45:43,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:43,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:45:43,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:45:43,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,386 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2176 [2024-12-05 21:45:43,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:45:43,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:45:43,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:45:43,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:45:43,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:45:43,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:45:43,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:45:43,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:45:43,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:45:43" (1/1) ... [2024-12-05 21:45:43,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:45:43,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:45:43,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:45:43,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:45:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:45:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:45:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:45:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:45:43,951 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:45:43,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:45:46,354 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-12-05 21:45:46,354 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:45:46,423 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:45:46,423 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:45:46,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:46 BoogieIcfgContainer [2024-12-05 21:45:46,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:45:46,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:45:46,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:45:46,432 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:45:46,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:45:46" (1/1) ... [2024-12-05 21:45:46,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:45:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:45:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:45:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:45:46,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:46,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:46,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:46,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:46,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:45:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:45:47,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:47,513 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 21:45:47,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:45:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 21:45:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 21:45:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:45:47,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:47,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:47,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:47,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:47,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760b81bf-801a-4ea7-aee4-3031e2334c5b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:45:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-05 21:45:49,233 INFO L279 TraceCheckSpWp]: Computing forward predicates...