./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.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_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/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_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/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_c426c416-0dfa-43bb-94ab-0252991e7260/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 3e2571d431f866a83cbf594ac39e889d5156e539a02a70db1b10a13fde51517b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:11:11,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:11:11,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:11:11,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:11:11,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:11:11,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:11:11,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:11:11,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:11:11,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:11:11,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:11:11,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:11:11,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:11:11,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:11,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:11:11,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:11:11,491 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_c426c416-0dfa-43bb-94ab-0252991e7260/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 -> 3e2571d431f866a83cbf594ac39e889d5156e539a02a70db1b10a13fde51517b [2024-12-05 23:11:11,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:11:11,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:11:11,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:11:11,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:11:11,741 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:11:11,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c [2024-12-05 23:11:14,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/9a9a9aabd/924579dacafc4cd188956689bf3ce3ee/FLAG232ce7edf [2024-12-05 23:11:14,622 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:11:14,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c [2024-12-05 23:11:14,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/9a9a9aabd/924579dacafc4cd188956689bf3ce3ee/FLAG232ce7edf [2024-12-05 23:11:14,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/9a9a9aabd/924579dacafc4cd188956689bf3ce3ee [2024-12-05 23:11:14,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:11:14,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:11:14,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:14,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:11:14,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:11:14,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:14" (1/1) ... [2024-12-05 23:11:14,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24728091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:14, skipping insertion in model container [2024-12-05 23:11:14,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:14" (1/1) ... [2024-12-05 23:11:14,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:11:15,136 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_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c[1171,1184] [2024-12-05 23:11:15,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:15,590 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:11:15,598 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_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c[1171,1184] [2024-12-05 23:11:15,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:15,869 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:11:15,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15 WrapperNode [2024-12-05 23:11:15,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:15,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:15,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:11:15,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:11:15,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:15,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:16,798 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10714 [2024-12-05 23:11:16,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:16,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:11:16,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:11:16,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:11:16,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:16,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:11:17,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:11:17,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:11:17,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:11:17,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:15" (1/1) ... [2024-12-05 23:11:17,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:17,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:11:17,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:11:17,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:11:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:11:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:11:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:11:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:11:18,300 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:11:18,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:11:32,773 INFO L? ?]: Removed 5857 outVars from TransFormulas that were not future-live. [2024-12-05 23:11:32,773 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:11:46,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:11:46,950 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:11:46,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:46 BoogieIcfgContainer [2024-12-05 23:11:46,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:11:46,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:11:46,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:11:46,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:11:46,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:46" (1/1) ... [2024-12-05 23:11:46,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:11:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:11:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:11:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:11:46,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:46,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:52,045 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 23:12:02,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:12,464 WARN L539 Checker$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 23:12:14,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:17,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:27,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:12:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:12:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:12:27,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:17:35,460 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:21:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:21:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:21:39,930 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 23:21:39,938 INFO L158 Benchmark]: Toolchain (without parser) took 625037.56ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 87.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 751.2MB. Max. memory is 16.1GB. [2024-12-05 23:21:39,939 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:21:39,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 968.91ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 87.6MB in the beginning and 101.4MB in the end (delta: -13.8MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-12-05 23:21:39,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 927.81ms. Allocated memory was 209.7MB in the beginning and 629.1MB in the end (delta: 419.4MB). Free memory was 101.4MB in the beginning and 389.6MB in the end (delta: -288.2MB). Peak memory consumption was 184.0MB. Max. memory is 16.1GB. [2024-12-05 23:21:39,944 INFO L158 Benchmark]: Boogie Preprocessor took 906.76ms. Allocated memory was 629.1MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 388.1MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2024-12-05 23:21:39,944 INFO L158 Benchmark]: RCFGBuilder took 29244.51ms. Allocated memory was 1.9GB in the beginning and 1.3GB in the end (delta: -629.1MB). Free memory was 1.6GB in the beginning and 543.7MB in the end (delta: 1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-05 23:21:39,945 INFO L158 Benchmark]: CodeCheck took 592985.81ms. Allocated memory was 1.3GB in the beginning and 2.1GB in the end (delta: 838.9MB). Free memory was 543.7MB in the beginning and 1.3GB in the end (delta: -766.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-12-05 23:21:39,956 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 968.91ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 87.6MB in the beginning and 101.4MB in the end (delta: -13.8MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 927.81ms. Allocated memory was 209.7MB in the beginning and 629.1MB in the end (delta: 419.4MB). Free memory was 101.4MB in the beginning and 389.6MB in the end (delta: -288.2MB). Peak memory consumption was 184.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 906.76ms. Allocated memory was 629.1MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 388.1MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. * RCFGBuilder took 29244.51ms. Allocated memory was 1.9GB in the beginning and 1.3GB in the end (delta: -629.1MB). Free memory was 1.6GB in the beginning and 543.7MB in the end (delta: 1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 592985.81ms. Allocated memory was 1.3GB in the beginning and 2.1GB in the end (delta: 838.9MB). Free memory was 543.7MB in the beginning and 1.3GB in the end (delta: -766.4MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:21:40,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/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_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/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_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/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_c426c416-0dfa-43bb-94ab-0252991e7260/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 3e2571d431f866a83cbf594ac39e889d5156e539a02a70db1b10a13fde51517b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:21:42,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:21:42,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:21:42,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:21:42,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:21:42,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:21:42,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:21:42,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:21:42,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:21:42,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:21:42,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:21:42,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:21:42,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:21:42,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:42,113 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:21:42,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:21:42,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:42,114 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:21:42,114 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_c426c416-0dfa-43bb-94ab-0252991e7260/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 -> 3e2571d431f866a83cbf594ac39e889d5156e539a02a70db1b10a13fde51517b [2024-12-05 23:21:42,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:21:42,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:21:42,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:21:42,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:21:42,363 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:21:42,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c [2024-12-05 23:21:45,003 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/758457254/dc33ef6abe714976a7fffad2f461b93e/FLAG72b2aa5f9 [2024-12-05 23:21:45,312 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:21:45,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c [2024-12-05 23:21:45,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/758457254/dc33ef6abe714976a7fffad2f461b93e/FLAG72b2aa5f9 [2024-12-05 23:21:45,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/data/758457254/dc33ef6abe714976a7fffad2f461b93e [2024-12-05 23:21:45,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:21:45,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:21:45,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:21:45,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:21:45,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:21:45,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:21:45" (1/1) ... [2024-12-05 23:21:45,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:45, skipping insertion in model container [2024-12-05 23:21:45,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:21:45" (1/1) ... [2024-12-05 23:21:45,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:21:45,591 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_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c[1171,1184] [2024-12-05 23:21:45,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:21:45,907 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:21:45,914 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_c426c416-0dfa-43bb-94ab-0252991e7260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp.5.prop1-back-serstep.c[1171,1184] [2024-12-05 23:21:46,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:21:46,100 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:21:46,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46 WrapperNode [2024-12-05 23:21:46,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:21:46,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:21:46,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:21:46,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:21:46,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,226 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3250 [2024-12-05 23:21:46,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:21:46,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:21:46,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:21:46,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:21:46,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:21:46,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:21:46,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:21:46,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:21:46,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:21:46" (1/1) ... [2024-12-05 23:21:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:21:46,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:21:46,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:21:46,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:21:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:21:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:21:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:21:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:21:46,865 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:21:46,867 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:21:50,639 INFO L? ?]: Removed 288 outVars from TransFormulas that were not future-live. [2024-12-05 23:21:50,640 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:21:50,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:21:50,736 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:21:50,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:50 BoogieIcfgContainer [2024-12-05 23:21:50,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:21:50,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:21:50,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:21:50,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:21:50,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:21:50" (1/1) ... [2024-12-05 23:21:50,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:21:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:21:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:21:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:21:50,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:50,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:50,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:50,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:50,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:21:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:51,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:51,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:21:51,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:52,015 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 23:21:52,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:21:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:21:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:21:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:21:52,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:52,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:52,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c426c416-0dfa-43bb-94ab-0252991e7260/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:21:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:53,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:54,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 23:21:54,191 INFO L279 TraceCheckSpWp]: Computing forward predicates...