./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:31:00,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:31:00,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:31:00,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:31:00,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:31:00,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:31:00,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:31:00,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:31:00,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:31:00,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:31:00,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:31:00,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:31:00,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:31:00,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:31:00,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:31:00,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:31:00,675 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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 -> 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 [2024-12-06 04:31:00,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:31:00,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:31:00,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:31:00,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:31:00,889 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:31:00,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-12-06 04:31:03,505 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/2fcbf3a04/8e4f5de660704acc84d40ccaa298dee2/FLAG5b02cd804 [2024-12-06 04:31:03,759 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:31:03,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-12-06 04:31:03,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/2fcbf3a04/8e4f5de660704acc84d40ccaa298dee2/FLAG5b02cd804 [2024-12-06 04:31:04,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/2fcbf3a04/8e4f5de660704acc84d40ccaa298dee2 [2024-12-06 04:31:04,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:31:04,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:31:04,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:31:04,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:31:04,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:31:04,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:04,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6160b750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04, skipping insertion in model container [2024-12-06 04:31:04,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:04,120 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:31:04,263 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 04:31:04,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:31:04,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:31:04,491 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 04:31:04,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:31:04,615 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:31:04,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04 WrapperNode [2024-12-06 04:31:04,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:31:04,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:31:04,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:31:04,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:31:04,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:04,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:04,986 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3668 [2024-12-06 04:31:04,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:31:04,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:31:04,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:31:04,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:31:04,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:04,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:31:05,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:31:05,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:31:05,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:31:05,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:31:04" (1/1) ... [2024-12-06 04:31:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:31:05,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:31:05,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:31:05,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:31:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:31:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:31:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:31:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:31:05,613 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:31:05,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:31:09,417 INFO L? ?]: Removed 1947 outVars from TransFormulas that were not future-live. [2024-12-06 04:31:09,417 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:31:13,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:31:13,853 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:31:13,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:13 BoogieIcfgContainer [2024-12-06 04:31:13,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:31:13,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:31:13,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:31:13,863 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:31:13,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:31:13" (1/1) ... [2024-12-06 04:31:13,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:31:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:31:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:31:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:31:13,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:13,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:31:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:31:17,740 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 04:31:27,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:31:37,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:31:41,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:31:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:31:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:31:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:31:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:31:41,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:31:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:31:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:04,901 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:32:04,905 INFO L158 Benchmark]: Toolchain (without parser) took 60819.80ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 114.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 290.2MB. Max. memory is 16.1GB. [2024-12-06 04:32:04,905 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:32:04,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.33ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 65.9MB in the end (delta: 49.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:32:04,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.15ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 65.9MB in the beginning and 66.2MB in the end (delta: -340.9kB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-06 04:32:04,906 INFO L158 Benchmark]: Boogie Preprocessor took 319.86ms. Allocated memory was 151.0MB in the beginning and 385.9MB in the end (delta: 234.9MB). Free memory was 66.2MB in the beginning and 280.5MB in the end (delta: -214.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:32:04,906 INFO L158 Benchmark]: RCFGBuilder took 8546.17ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 280.5MB in the beginning and 230.5MB in the end (delta: 50.0MB). Peak memory consumption was 550.9MB. Max. memory is 16.1GB. [2024-12-06 04:32:04,907 INFO L158 Benchmark]: CodeCheck took 51049.58ms. Allocated memory was 771.8MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 230.5MB in the beginning and 1.7GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:32:04,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.33ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 65.9MB in the end (delta: 49.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.15ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 65.9MB in the beginning and 66.2MB in the end (delta: -340.9kB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 319.86ms. Allocated memory was 151.0MB in the beginning and 385.9MB in the end (delta: 234.9MB). Free memory was 66.2MB in the beginning and 280.5MB in the end (delta: -214.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8546.17ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 280.5MB in the beginning and 230.5MB in the end (delta: 50.0MB). Peak memory consumption was 550.9MB. Max. memory is 16.1GB. * CodeCheck took 51049.58ms. Allocated memory was 771.8MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 230.5MB in the beginning and 1.7GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:32:05,115 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:32:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:32:06,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:32:06,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:32:07,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:32:07,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:32:07,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:32:07,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:32:07,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:32:07,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:32:07,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:32:07,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:32:07,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:32:07,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:32:07,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:32:07,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:07,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:07,013 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:32:07,013 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/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 -> 76c1e76c188e4e53b19696e0f63f4cc9993d2d71ccec1e1c5c45d086c179ea78 [2024-12-06 04:32:07,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:32:07,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:32:07,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:32:07,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:32:07,283 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:32:07,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-12-06 04:32:09,973 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/556753faa/e043b41409e947fd89bafaedb7553453/FLAG3b6ebab40 [2024-12-06 04:32:10,223 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:32:10,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c [2024-12-06 04:32:10,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/556753faa/e043b41409e947fd89bafaedb7553453/FLAG3b6ebab40 [2024-12-06 04:32:10,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/data/556753faa/e043b41409e947fd89bafaedb7553453 [2024-12-06 04:32:10,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:32:10,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:32:10,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:10,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:32:10,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:32:10,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447063fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10, skipping insertion in model container [2024-12-06 04:32:10,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:32:10,416 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 04:32:10,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:10,610 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:32:10,620 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_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-back-serstep.c[1176,1189] [2024-12-06 04:32:10,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:10,728 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:32:10,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10 WrapperNode [2024-12-06 04:32:10,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:10,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:10,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:32:10,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:32:10,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,804 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1116 [2024-12-06 04:32:10,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:10,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:32:10,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:32:10,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:32:10,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:32:10,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:32:10,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:32:10,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:32:10,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:10" (1/1) ... [2024-12-06 04:32:10,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:32:10,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:32:10,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:32:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:32:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:32:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:32:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:32:11,136 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:32:11,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:32:12,942 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-12-06 04:32:12,943 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:32:12,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:32:12,998 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:32:12,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:12 BoogieIcfgContainer [2024-12-06 04:32:12,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:32:13,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:32:13,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:32:13,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:32:13,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:12" (1/1) ... [2024-12-06 04:32:13,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:32:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:32:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:32:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:32:13,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:13,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:13,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:32:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:13,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:13,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 04:32:13,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:13,695 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 04:32:13,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:32:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:32:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:32:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:32:14,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:32:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:32:14,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:32:14,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8584f01a-5df7-4c42-a53e-b1474dbdf6c5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:32:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:15,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:32:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:15,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 04:32:15,960 INFO L279 TraceCheckSpWp]: Computing forward predicates...