./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/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_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/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_27e232f5-342f-49ac-b5a7-53c2fb44a606/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 edcd3b88905cdb3dfa6352c7312a9e62232b34d98b184187999b7d487914cd6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:48:23,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:48:23,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:48:23,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:48:23,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:48:23,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:48:23,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:48:23,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:48:23,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:48:23,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:48:23,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:48:23,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:48:23,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:48:23,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:48:23,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:48:23,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:23,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:48:23,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:48:23,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:48:23,732 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:48:23,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:48:23,732 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/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 -> edcd3b88905cdb3dfa6352c7312a9e62232b34d98b184187999b7d487914cd6b [2024-12-06 04:48:23,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:23,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:23,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:23,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:23,947 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:23,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c [2024-12-06 04:48:26,553 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/54de9c28d/83f762e1c6324ec6aef4bf4433cd47b1/FLAG6cfdf5b8a [2024-12-06 04:48:26,885 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:48:26,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c [2024-12-06 04:48:26,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/54de9c28d/83f762e1c6324ec6aef4bf4433cd47b1/FLAG6cfdf5b8a [2024-12-06 04:48:27,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/54de9c28d/83f762e1c6324ec6aef4bf4433cd47b1 [2024-12-06 04:48:27,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:48:27,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:48:27,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:27,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:48:27,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:48:27,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:27,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7b324e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27, skipping insertion in model container [2024-12-06 04:48:27,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:27,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:48:27,345 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c[1181,1194] [2024-12-06 04:48:27,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:27,690 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:48:27,697 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c[1181,1194] [2024-12-06 04:48:27,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:27,908 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:48:27,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27 WrapperNode [2024-12-06 04:48:27,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:27,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:27,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:48:27,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:48:27,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:27,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:28,758 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12489 [2024-12-06 04:48:28,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:28,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:48:28,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:48:28,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:48:28,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:28,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,495 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:48:29,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:48:29,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:48:29,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:48:29,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:27" (1/1) ... [2024-12-06 04:48:29,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:48:29,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:48:29,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:48:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:48:29,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:48:30,549 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:48:30,551 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:48:47,168 INFO L? ?]: Removed 6764 outVars from TransFormulas that were not future-live. [2024-12-06 04:48:47,169 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:06,023 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:49:06,023 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:49:06,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:06 BoogieIcfgContainer [2024-12-06 04:49:06,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:49:06,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:49:06,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:49:06,030 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:49:06,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:06" (1/1) ... [2024-12-06 04:49:06,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:49:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:49:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:49:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:49:06,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:49:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:49:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:49:23,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:33,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:35,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:37,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:49:47,704 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 [] [2024-12-06 04:49:47,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:49:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:49:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:49:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:49:47,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:49:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:54:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:54:26,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:59:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:00:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:00:04,575 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 05:00:04,579 INFO L158 Benchmark]: Toolchain (without parser) took 697451.97ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 113.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 05:00:04,580 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:00:04,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.86ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 113.5MB in the beginning and 333.8MB in the end (delta: -220.3MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2024-12-06 05:00:04,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 849.29ms. Allocated memory is still 419.4MB. Free memory was 333.8MB in the beginning and 119.4MB in the end (delta: 214.4MB). Peak memory consumption was 352.8MB. Max. memory is 16.1GB. [2024-12-06 05:00:04,582 INFO L158 Benchmark]: Boogie Preprocessor took 1118.35ms. Allocated memory was 419.4MB in the beginning and 981.5MB in the end (delta: 562.0MB). Free memory was 119.4MB in the beginning and 601.3MB in the end (delta: -482.0MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2024-12-06 05:00:04,583 INFO L158 Benchmark]: RCFGBuilder took 36145.21ms. Allocated memory was 981.5MB in the beginning and 1.9GB in the end (delta: 897.6MB). Free memory was 601.3MB in the beginning and 421.7MB in the end (delta: 179.6MB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-12-06 05:00:04,584 INFO L158 Benchmark]: CodeCheck took 658554.35ms. Allocated memory was 1.9GB in the beginning and 2.5GB in the end (delta: 587.2MB). Free memory was 421.7MB in the beginning and 1.4GB in the end (delta: -968.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:00:04,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.86ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 113.5MB in the beginning and 333.8MB in the end (delta: -220.3MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 849.29ms. Allocated memory is still 419.4MB. Free memory was 333.8MB in the beginning and 119.4MB in the end (delta: 214.4MB). Peak memory consumption was 352.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1118.35ms. Allocated memory was 419.4MB in the beginning and 981.5MB in the end (delta: 562.0MB). Free memory was 119.4MB in the beginning and 601.3MB in the end (delta: -482.0MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * RCFGBuilder took 36145.21ms. Allocated memory was 981.5MB in the beginning and 1.9GB in the end (delta: 897.6MB). Free memory was 601.3MB in the beginning and 421.7MB in the end (delta: 179.6MB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * CodeCheck took 658554.35ms. Allocated memory was 1.9GB in the beginning and 2.5GB in the end (delta: 587.2MB). Free memory was 421.7MB in the beginning and 1.4GB in the end (delta: -968.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:00:04,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/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_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/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_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/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_27e232f5-342f-49ac-b5a7-53c2fb44a606/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 edcd3b88905cdb3dfa6352c7312a9e62232b34d98b184187999b7d487914cd6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:00:06,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:00:06,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 05:00:06,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:00:06,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:00:06,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:00:06,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:00:06,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:00:06,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:00:06,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:00:06,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:00:06,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:00:06,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:06,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:00:06,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:00:06,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:00:06,769 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:00:06,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:06,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:00:06,769 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/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 -> edcd3b88905cdb3dfa6352c7312a9e62232b34d98b184187999b7d487914cd6b [2024-12-06 05:00:07,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:00:07,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:00:07,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:00:07,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:00:07,022 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:00:07,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c [2024-12-06 05:00:09,818 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/9b8d0043c/24fed38408994126a323977ed5cc7277/FLAG665066583 [2024-12-06 05:00:10,104 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:00:10,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c [2024-12-06 05:00:10,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/9b8d0043c/24fed38408994126a323977ed5cc7277/FLAG665066583 [2024-12-06 05:00:10,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/data/9b8d0043c/24fed38408994126a323977ed5cc7277 [2024-12-06 05:00:10,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:00:10,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:00:10,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:00:10,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:00:10,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:00:10,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:10" (1/1) ... [2024-12-06 05:00:10,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6156a462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:10, skipping insertion in model container [2024-12-06 05:00:10,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:00:10" (1/1) ... [2024-12-06 05:00:10,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:00:10,619 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c[1181,1194] [2024-12-06 05:00:10,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:00:10,945 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:00:10,953 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_27e232f5-342f-49ac-b5a7-53c2fb44a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.1.prop1-back-serstep.c[1181,1194] [2024-12-06 05:00:11,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:00:11,149 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:00:11,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11 WrapperNode [2024-12-06 05:00:11,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:00:11,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:00:11,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:00:11,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:00:11,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,334 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3529 [2024-12-06 05:00:11,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:00:11,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:00:11,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:00:11,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:00:11,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:00:11,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:00:11,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:00:11,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:00:11,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:00:11" (1/1) ... [2024-12-06 05:00:11,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:00:11,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:00:11,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:00:11,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:00:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:00:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:00:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:00:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:00:12,065 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:00:12,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:00:16,621 INFO L? ?]: Removed 265 outVars from TransFormulas that were not future-live. [2024-12-06 05:00:16,621 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:00:16,753 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:00:16,753 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:00:16,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:00:16 BoogieIcfgContainer [2024-12-06 05:00:16,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:00:16,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:00:16,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:00:16,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:00:16,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:00:16" (1/1) ... [2024-12-06 05:00:16,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:00:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 05:00:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 05:00:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:00:16,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:16,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:16,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:16,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:00:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:17,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:00:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:00:18,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:00:18,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:00:18,146 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 05:00:18,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:00:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:00:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 05:00:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 05:00:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:00:18,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:00:18,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:00:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:00:18,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:00:18,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e232f5-342f-49ac-b5a7-53c2fb44a606/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process