./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.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_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/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_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/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_117197ad-2243-47dd-a23b-22ddc098f9aa/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 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:32:44,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:32:44,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:32:44,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:32:44,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:32:44,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:32:44,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:32:44,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:32:44,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:32:44,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:32:44,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:32:44,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:32:44,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:32:44,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:32:44,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:32:44,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:44,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:32:44,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:32:44,680 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_117197ad-2243-47dd-a23b-22ddc098f9aa/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 -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-12-06 00:32:44,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:32:44,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:32:44,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:32:44,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:32:44,954 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:32:44,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-12-06 00:32:47,596 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/42e8f4c63/50a33bdab22d4da592a3537d9dab9cad/FLAGac3e10616 [2024-12-06 00:32:47,872 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:32:47,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-12-06 00:32:47,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/42e8f4c63/50a33bdab22d4da592a3537d9dab9cad/FLAGac3e10616 [2024-12-06 00:32:47,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/42e8f4c63/50a33bdab22d4da592a3537d9dab9cad [2024-12-06 00:32:47,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:32:47,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:32:47,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:47,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:32:47,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:32:47,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:47" (1/1) ... [2024-12-06 00:32:47,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42584471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:47, skipping insertion in model container [2024-12-06 00:32:47,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:32:47" (1/1) ... [2024-12-06 00:32:47,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:32:48,123 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_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-12-06 00:32:48,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:48,413 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:32:48,420 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_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-12-06 00:32:48,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:32:48,603 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:32:48,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48 WrapperNode [2024-12-06 00:32:48,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:32:48,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:48,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:32:48,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:32:48,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:48,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,027 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4469 [2024-12-06 00:32:49,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:32:49,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:32:49,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:32:49,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:32:49,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:32:49,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:32:49,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:32:49,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:32:49,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:32:48" (1/1) ... [2024-12-06 00:32:49,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:32:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:32:49,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:32:49,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:32:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:32:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:32:49,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:32:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:32:49,737 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:32:49,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:32:54,905 INFO L? ?]: Removed 2795 outVars from TransFormulas that were not future-live. [2024-12-06 00:32:54,905 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:33:00,046 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:33:00,046 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:33:00,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:33:00 BoogieIcfgContainer [2024-12-06 00:33:00,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:33:00,047 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:33:00,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:33:00,053 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:33:00,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:33:00" (1/1) ... [2024-12-06 00:33:00,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:33:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:33:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:33:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:33:00,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:33:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:02,876 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 00:33:13,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:33:23,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:33:29,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:33:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:33:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:33:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:33:29,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:29,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:35:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:35:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:35:33,095 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 00:35:33,099 INFO L158 Benchmark]: Toolchain (without parser) took 165193.54ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 114.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 946.4MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,100 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:35:33,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.72ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 89.0MB in the end (delta: 25.5MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 423.14ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 89.0MB in the beginning and 258.6MB in the end (delta: -169.5MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,101 INFO L158 Benchmark]: Boogie Preprocessor took 316.71ms. Allocated memory is still 369.1MB. Free memory was 258.6MB in the beginning and 237.8MB in the end (delta: 20.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,102 INFO L158 Benchmark]: RCFGBuilder took 10701.19ms. Allocated memory was 369.1MB in the beginning and 914.4MB in the end (delta: 545.3MB). Free memory was 237.8MB in the beginning and 333.0MB in the end (delta: -95.2MB). Peak memory consumption was 609.7MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,102 INFO L158 Benchmark]: CodeCheck took 153051.59ms. Allocated memory was 914.4MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 333.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 391.1MB. Max. memory is 16.1GB. [2024-12-06 00:35:33,105 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.72ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 89.0MB in the end (delta: 25.5MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 423.14ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 89.0MB in the beginning and 258.6MB in the end (delta: -169.5MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 316.71ms. Allocated memory is still 369.1MB. Free memory was 258.6MB in the beginning and 237.8MB in the end (delta: 20.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * RCFGBuilder took 10701.19ms. Allocated memory was 369.1MB in the beginning and 914.4MB in the end (delta: 545.3MB). Free memory was 237.8MB in the beginning and 333.0MB in the end (delta: -95.2MB). Peak memory consumption was 609.7MB. Max. memory is 16.1GB. * CodeCheck took 153051.59ms. Allocated memory was 914.4MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 333.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 391.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:35:33,313 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:35:33,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/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_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/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_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/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_117197ad-2243-47dd-a23b-22ddc098f9aa/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 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:35:35,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:35:35,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:35:35,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:35:35,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:35:35,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:35:35,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:35:35,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:35:35,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:35:35,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:35:35,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:35:35,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:35:35,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:35:35,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:35:35,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:35:35,355 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:35:35,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:35,355 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:35:35,355 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_117197ad-2243-47dd-a23b-22ddc098f9aa/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 -> 8c332d68cb028f73a0956d8476d86631f99d300b58627ad7418ed2c2ca15e8e8 [2024-12-06 00:35:35,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:35:35,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:35:35,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:35:35,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:35:35,619 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:35:35,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-12-06 00:35:38,266 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/e16684b9f/cda13840c9194aa997cf97c02b42a751/FLAG677e8ce9e [2024-12-06 00:35:38,594 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:35:38,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c [2024-12-06 00:35:38,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/e16684b9f/cda13840c9194aa997cf97c02b42a751/FLAG677e8ce9e [2024-12-06 00:35:38,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/data/e16684b9f/cda13840c9194aa997cf97c02b42a751 [2024-12-06 00:35:38,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:35:38,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:35:38,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:35:38,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:35:38,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:35:38,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:35:38" (1/1) ... [2024-12-06 00:35:38,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d87d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:38, skipping insertion in model container [2024-12-06 00:35:38,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:35:38" (1/1) ... [2024-12-06 00:35:38,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:35:39,031 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_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-12-06 00:35:39,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:35:39,279 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:35:39,286 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_117197ad-2243-47dd-a23b-22ddc098f9aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-back-serstep.c[1172,1185] [2024-12-06 00:35:39,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:35:39,415 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:35:39,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39 WrapperNode [2024-12-06 00:35:39,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:35:39,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:35:39,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:35:39,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:35:39,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,523 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1989 [2024-12-06 00:35:39,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:35:39,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:35:39,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:35:39,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:35:39,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:35:39,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:35:39,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:35:39,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:35:39,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:35:39" (1/1) ... [2024-12-06 00:35:39,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:35:39,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:35:39,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:35:39,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:35:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:35:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:35:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:35:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:35:40,017 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:35:40,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:35:43,451 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-12-06 00:35:43,451 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:35:43,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:35:43,500 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:35:43,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:43 BoogieIcfgContainer [2024-12-06 00:35:43,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:35:43,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:35:43,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:35:43,509 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:35:43,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:35:43" (1/1) ... [2024-12-06 00:35:43,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:35:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:35:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:35:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:35:43,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:43,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:43,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:43,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:43,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:35:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:44,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:44,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:35:44,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:35:44,484 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 00:35:44,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-06 00:35:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:35:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:35:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:35:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:35:44,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:35:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:35:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:35:44,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:35:44,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117197ad-2243-47dd-a23b-22ddc098f9aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:35:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:45,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:35:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:35:46,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 00:35:46,201 INFO L279 TraceCheckSpWp]: Computing forward predicates...