./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.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_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/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_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/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_337c120c-cad4-428d-ae12-7dd6446ae528/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 1b2ddc3667ce788eb9b265cc007fcbad14e8f5e6e21526623a6389ac8c9d2360 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:06:58,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:06:58,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 05:06:58,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:06:58,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:06:58,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:06:58,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:06:58,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:06:58,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:06:58,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:06:58,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:06:58,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:06:58,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:06:58,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:06:58,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:06:58,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:06:58,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:06:58,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:06:58,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:06:58,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:06:58,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:06:58,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:06:58,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:06:58,545 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_337c120c-cad4-428d-ae12-7dd6446ae528/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 -> 1b2ddc3667ce788eb9b265cc007fcbad14e8f5e6e21526623a6389ac8c9d2360 [2024-12-06 05:06:58,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:06:58,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:06:58,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:06:58,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:06:58,800 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:06:58,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c [2024-12-06 05:07:01,565 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/18a3e16ee/627ddb91baf54d63b3aed84e84973f88/FLAG19c236c2a [2024-12-06 05:07:01,893 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:07:01,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c [2024-12-06 05:07:01,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/18a3e16ee/627ddb91baf54d63b3aed84e84973f88/FLAG19c236c2a [2024-12-06 05:07:01,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/18a3e16ee/627ddb91baf54d63b3aed84e84973f88 [2024-12-06 05:07:01,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:07:01,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:07:01,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:07:01,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:07:01,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:07:01,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:07:01" (1/1) ... [2024-12-06 05:07:01,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ff741b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:01, skipping insertion in model container [2024-12-06 05:07:01,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:07:01" (1/1) ... [2024-12-06 05:07:01,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:07:02,196 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_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c[1175,1188] [2024-12-06 05:07:02,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:07:02,619 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:07:02,627 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_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c[1175,1188] [2024-12-06 05:07:02,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:07:02,846 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:07:02,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02 WrapperNode [2024-12-06 05:07:02,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:07:02,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:07:02,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:07:02,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:07:02,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:02,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:03,745 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9041 [2024-12-06 05:07:03,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:07:03,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:07:03,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:07:03,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:07:03,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:03,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,234 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:07:04,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:07:04,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:07:04,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:07:04,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:07:02" (1/1) ... [2024-12-06 05:07:04,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:07:04,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:07:04,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:07:04,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:07:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:07:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:07:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:07:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:07:05,231 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:07:05,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:07:19,656 INFO L? ?]: Removed 4993 outVars from TransFormulas that were not future-live. [2024-12-06 05:07:19,656 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:07:34,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:07:34,691 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:07:34,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:07:34 BoogieIcfgContainer [2024-12-06 05:07:34,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:07:34,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:07:34,692 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:07:34,699 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:07:34,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:07:34" (1/1) ... [2024-12-06 05:07:34,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:07:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:07:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:07:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:07:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:07:34,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:07:34,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:07:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:07:39,638 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 05:07:49,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:08:00,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:08:05,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:08,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:18,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:28,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:08:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:08:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 05:08:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 05:08:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:08:28,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:08:28,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:11:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:11:32,719 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 05:11:32,723 INFO L158 Benchmark]: Toolchain (without parser) took 270789.55ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 113.2MB in the beginning and 382.4MB in the end (delta: -269.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 05:11:32,723 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:32,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.64ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 74.9MB in the end (delta: 38.0MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2024-12-06 05:11:32,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 897.53ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 74.9MB in the beginning and 127.0MB in the end (delta: -52.1MB). Peak memory consumption was 222.9MB. Max. memory is 16.1GB. [2024-12-06 05:11:32,725 INFO L158 Benchmark]: Boogie Preprocessor took 913.38ms. Allocated memory was 343.9MB in the beginning and 729.8MB in the end (delta: 385.9MB). Free memory was 127.0MB in the beginning and 476.0MB in the end (delta: -349.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2024-12-06 05:11:32,726 INFO L158 Benchmark]: RCFGBuilder took 30030.92ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 394.3MB). Free memory was 476.0MB in the beginning and 352.7MB in the end (delta: 123.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 05:11:32,726 INFO L158 Benchmark]: CodeCheck took 238029.85ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 612.4MB). Free memory was 352.7MB in the beginning and 382.4MB in the end (delta: -29.8MB). Peak memory consumption was 580.5MB. Max. memory is 16.1GB. [2024-12-06 05:11:32,729 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.64ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 74.9MB in the end (delta: 38.0MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 897.53ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 74.9MB in the beginning and 127.0MB in the end (delta: -52.1MB). Peak memory consumption was 222.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 913.38ms. Allocated memory was 343.9MB in the beginning and 729.8MB in the end (delta: 385.9MB). Free memory was 127.0MB in the beginning and 476.0MB in the end (delta: -349.0MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * RCFGBuilder took 30030.92ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 394.3MB). Free memory was 476.0MB in the beginning and 352.7MB in the end (delta: 123.3MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 238029.85ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 612.4MB). Free memory was 352.7MB in the beginning and 382.4MB in the end (delta: -29.8MB). Peak memory consumption was 580.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:11:32,939 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 05:11:32,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/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_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/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_337c120c-cad4-428d-ae12-7dd6446ae528/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 1b2ddc3667ce788eb9b265cc007fcbad14e8f5e6e21526623a6389ac8c9d2360 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:11:34,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:11:35,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:11:35,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:11:35,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:11:35,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:11:35,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:11:35,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:11:35,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:11:35,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:11:35,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:11:35,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:11:35,059 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:35,059 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:11:35,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:11:35,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:35,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:11:35,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:11:35,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:11:35,060 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:11:35,060 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:35,060 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:11:35,060 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_337c120c-cad4-428d-ae12-7dd6446ae528/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 -> 1b2ddc3667ce788eb9b265cc007fcbad14e8f5e6e21526623a6389ac8c9d2360 [2024-12-06 05:11:35,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:35,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:35,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:35,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:35,330 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:35,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c [2024-12-06 05:11:38,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/cb765b148/7353d86272d540fbaf92d115ecfc2ba3/FLAGf6be894b3 [2024-12-06 05:11:38,398 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:11:38,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c [2024-12-06 05:11:38,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/cb765b148/7353d86272d540fbaf92d115ecfc2ba3/FLAGf6be894b3 [2024-12-06 05:11:38,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/data/cb765b148/7353d86272d540fbaf92d115ecfc2ba3 [2024-12-06 05:11:38,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:11:38,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:11:38,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:38,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:11:38,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:11:38,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:38" (1/1) ... [2024-12-06 05:11:38,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17064f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:38, skipping insertion in model container [2024-12-06 05:11:38,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:38" (1/1) ... [2024-12-06 05:11:38,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:11:38,715 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_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c[1175,1188] [2024-12-06 05:11:39,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:39,091 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:11:39,103 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_337c120c-cad4-428d-ae12-7dd6446ae528/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.4.prop1-back-serstep.c[1175,1188] [2024-12-06 05:11:39,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:39,281 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:11:39,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39 WrapperNode [2024-12-06 05:11:39,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:39,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:39,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:11:39,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:11:39,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,438 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2889 [2024-12-06 05:11:39,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:39,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:11:39,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:11:39,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:11:39,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:11:39,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:11:39,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:11:39,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:11:39,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:39" (1/1) ... [2024-12-06 05:11:39,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:11:39,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:11:39,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:11:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:11:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:11:39,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:11:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:11:40,124 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:11:40,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:11:44,133 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-12-06 05:11:44,133 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:11:44,252 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:11:44,252 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:11:44,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:44 BoogieIcfgContainer [2024-12-06 05:11:44,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:11:44,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:11:44,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:11:44,264 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:11:44,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:44" (1/1) ... [2024-12-06 05:11:44,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:11:44,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:11:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:11:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:11:44,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:44,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:44,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:44,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:11:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:45,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:11:45,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:11:45,536 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 05:11:45,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:11:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:11:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:11:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:11:45,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:11:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:11:45,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:11:45,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337c120c-cad4-428d-ae12-7dd6446ae528/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:11:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:47,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:11:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:47,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-06 05:11:47,702 INFO L279 TraceCheckSpWp]: Computing forward predicates...