./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/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_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/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_3ed67e11-1dff-4dee-93b9-004343c10fa2/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:40:10,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:40:10,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:40:10,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:40:10,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:40:10,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:40:10,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:40:10,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:40:10,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:40:10,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:40:10,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:40:10,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:40:10,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:40:10,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:40:10,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:40:10,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:40:10,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:40:10,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:40:10,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:40:10,718 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-12-06 04:40:10,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:40:10,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:40:10,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:40:10,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:40:10,968 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:40:10,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-12-06 04:40:13,653 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/10e75e159/5c554935616f4e25a304fce16ccfa104/FLAG217614d63 [2024-12-06 04:40:13,948 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:40:13,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-12-06 04:40:13,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/10e75e159/5c554935616f4e25a304fce16ccfa104/FLAG217614d63 [2024-12-06 04:40:13,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/10e75e159/5c554935616f4e25a304fce16ccfa104 [2024-12-06 04:40:13,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:40:13,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:40:13,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:40:13,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:40:13,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:40:13,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:40:13" (1/1) ... [2024-12-06 04:40:13,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdf9e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:13, skipping insertion in model container [2024-12-06 04:40:13,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:40:13" (1/1) ... [2024-12-06 04:40:14,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:40:14,225 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-12-06 04:40:14,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:40:14,519 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:40:14,528 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-12-06 04:40:14,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:40:14,690 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:40:14,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14 WrapperNode [2024-12-06 04:40:14,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:40:14,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:40:14,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:40:14,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:40:14,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:14,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,147 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4340 [2024-12-06 04:40:15,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:40:15,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:40:15,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:40:15,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:40:15,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,411 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:40:15,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:40:15,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:40:15,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:40:15,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:40:14" (1/1) ... [2024-12-06 04:40:15,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:40:15,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:40:15,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:40:15,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:40:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:40:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:40:15,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:40:15,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:40:15,971 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:40:15,974 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:40:21,009 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-12-06 04:40:21,009 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:40:26,602 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:40:26,602 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:40:26,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:40:26 BoogieIcfgContainer [2024-12-06 04:40:26,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:40:26,603 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:40:26,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:40:26,612 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:40:26,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:40:26" (1/1) ... [2024-12-06 04:40:26,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:40:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:26,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:40:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:40:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:40:26,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:40:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:40:38,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:48,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:50,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:52,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:52,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:40:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:40:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:40:52,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:52,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:41:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:15,822 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:41:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:41:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:41:48,551 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:41:48,557 INFO L158 Benchmark]: Toolchain (without parser) took 94570.81ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 115.1MB in the beginning and 720.6MB in the end (delta: -605.5MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 04:41:48,557 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:41:48,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.22ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 56.7MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:41:48,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 456.17ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 56.7MB in the beginning and 56.3MB in the end (delta: 365.1kB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-12-06 04:41:48,559 INFO L158 Benchmark]: Boogie Preprocessor took 450.08ms. Allocated memory was 159.4MB in the beginning and 369.1MB in the end (delta: 209.7MB). Free memory was 56.3MB in the beginning and 252.1MB in the end (delta: -195.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-12-06 04:41:48,559 INFO L158 Benchmark]: RCFGBuilder took 11003.98ms. Allocated memory was 369.1MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 252.1MB in the beginning and 835.9MB in the end (delta: -583.7MB). Peak memory consumption was 741.1MB. Max. memory is 16.1GB. [2024-12-06 04:41:48,560 INFO L158 Benchmark]: CodeCheck took 81952.14ms. Allocated memory was 1.1GB in the beginning and 2.2GB in the end (delta: 1.1GB). Free memory was 835.9MB in the beginning and 720.6MB in the end (delta: 115.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 04:41:48,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.22ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 56.7MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 456.17ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 56.7MB in the beginning and 56.3MB in the end (delta: 365.1kB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 450.08ms. Allocated memory was 159.4MB in the beginning and 369.1MB in the end (delta: 209.7MB). Free memory was 56.3MB in the beginning and 252.1MB in the end (delta: -195.8MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * RCFGBuilder took 11003.98ms. Allocated memory was 369.1MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 252.1MB in the beginning and 835.9MB in the end (delta: -583.7MB). Peak memory consumption was 741.1MB. Max. memory is 16.1GB. * CodeCheck took 81952.14ms. Allocated memory was 1.1GB in the beginning and 2.2GB in the end (delta: 1.1GB). Free memory was 835.9MB in the beginning and 720.6MB in the end (delta: 115.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:41:48,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/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_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/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_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/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_3ed67e11-1dff-4dee-93b9-004343c10fa2/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 d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:41:50,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:41:51,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:41:51,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:41:51,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:41:51,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:41:51,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:41:51,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:41:51,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:41:51,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:41:51,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:41:51,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:41:51,056 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:41:51,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:51,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:41:51,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:41:51,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:41:51,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:41:51,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:51,058 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:41:51,058 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/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 -> d62e11467b4f8e6e4377d512785402cf64afe5554a5b65452d03a3048801a40a [2024-12-06 04:41:51,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:41:51,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:41:51,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:41:51,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:41:51,379 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:41:51,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-12-06 04:41:54,585 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/006182011/a8561c0552ca4b9185d3ae34c1d9b128/FLAGfa2b21d17 [2024-12-06 04:41:54,882 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:41:54,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c [2024-12-06 04:41:54,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/006182011/a8561c0552ca4b9185d3ae34c1d9b128/FLAGfa2b21d17 [2024-12-06 04:41:55,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/data/006182011/a8561c0552ca4b9185d3ae34c1d9b128 [2024-12-06 04:41:55,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:41:55,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:41:55,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:55,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:41:55,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:41:55,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5506c4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55, skipping insertion in model container [2024-12-06 04:41:55,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:41:55,352 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-12-06 04:41:55,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:55,599 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:41:55,608 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_3ed67e11-1dff-4dee-93b9-004343c10fa2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.1.prop1-back-serstep.c[1174,1187] [2024-12-06 04:41:55,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:41:55,740 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:41:55,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55 WrapperNode [2024-12-06 04:41:55,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:41:55,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:55,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:41:55,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:41:55,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,843 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2024-12-06 04:41:55,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:41:55,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:41:55,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:41:55,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:41:55,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,892 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:41:55,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:41:55,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:41:55,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:41:55,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:55" (1/1) ... [2024-12-06 04:41:55,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:41:55,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:41:55,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:41:55,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:41:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:41:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:41:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:41:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:41:56,306 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:41:56,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:41:58,173 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-12-06 04:41:58,174 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:41:58,217 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:41:58,218 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:41:58,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:58 BoogieIcfgContainer [2024-12-06 04:41:58,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:41:58,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:41:58,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:41:58,227 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:41:58,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:58" (1/1) ... [2024-12-06 04:41:58,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:41:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:41:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:41:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:41:58,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:58,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:58,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:58,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:41:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:58,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:59,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:41:59,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:41:59,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:41:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:41:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:41:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:41:59,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:59,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:59,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed67e11-1dff-4dee-93b9-004343c10fa2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:42:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 04:42:00,530 INFO L279 TraceCheckSpWp]: Computing forward predicates...