./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3 --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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:28:15,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:28:15,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:28:15,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:28:15,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:28:15,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:28:15,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:28:15,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:28:15,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:28:15,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:28:15,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:28:15,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:28:15,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:28:15,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:28:15,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:28:15,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:28:15,353 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:15,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:28:15,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:28:15,353 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3 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 -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-25 03:28:15,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:28:15,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:28:15,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:28:15,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:28:15,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:28:15,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-25 03:28:18,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/b96689d9e/605f486010f24999b8fc977c450e3a7e/FLAG0ab33f920 [2024-11-25 03:28:18,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:28:18,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-25 03:28:18,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/b96689d9e/605f486010f24999b8fc977c450e3a7e/FLAG0ab33f920 [2024-11-25 03:28:18,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/b96689d9e/605f486010f24999b8fc977c450e3a7e [2024-11-25 03:28:18,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:28:18,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:28:18,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:18,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:28:18,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:28:18,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:18" (1/1) ... [2024-11-25 03:28:18,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dab861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:18, skipping insertion in model container [2024-11-25 03:28:18,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:18" (1/1) ... [2024-11-25 03:28:19,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:28:19,237 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-25 03:28:19,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:19,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:28:19,761 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-25 03:28:20,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:20,025 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:28:20,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20 WrapperNode [2024-11-25 03:28:20,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:20,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:20,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:28:20,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:28:20,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:20,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:20,731 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6208 [2024-11-25 03:28:20,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:20,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:28:20,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:28:20,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:28:20,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:20,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,306 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:28:21,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:28:21,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:28:21,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:28:21,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:20" (1/1) ... [2024-11-25 03:28:21,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:28:21,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:28:21,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:28:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:28:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:28:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:28:21,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:28:22,304 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:28:22,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:28:30,083 INFO L? ?]: Removed 3702 outVars from TransFormulas that were not future-live. [2024-11-25 03:28:30,084 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:28:38,413 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:28:38,413 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:28:38,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:38 BoogieIcfgContainer [2024-11-25 03:28:38,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:28:38,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:28:38,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:28:38,428 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:28:38,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:38" (1/1) ... [2024-11-25 03:28:38,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:28:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:28:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:28:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:28:38,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:38,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:28:53,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:03,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:09,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:29:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:29:09,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:29:09,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:09,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:13,214 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:31:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:31:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:31:38,638 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) [2024-11-25 03:31:38,643 INFO L158 Benchmark]: Toolchain (without parser) took 199697.24ms. Allocated memory was 142.6MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 114.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-25 03:31:38,643 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:31:38,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1079.64ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.6MB in the beginning and 367.6MB in the end (delta: -253.0MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2024-11-25 03:31:38,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 704.18ms. Allocated memory is still 427.8MB. Free memory was 367.6MB in the beginning and 219.8MB in the end (delta: 147.8MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. [2024-11-25 03:31:38,645 INFO L158 Benchmark]: Boogie Preprocessor took 915.12ms. Allocated memory is still 427.8MB. Free memory was 219.8MB in the beginning and 247.2MB in the end (delta: -27.4MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2024-11-25 03:31:38,646 INFO L158 Benchmark]: RCFGBuilder took 16764.97ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 246.9MB in the beginning and 1.0GB in the end (delta: -798.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 03:31:38,646 INFO L158 Benchmark]: CodeCheck took 180227.01ms. Allocated memory was 2.2GB in the beginning and 4.7GB in the end (delta: 2.6GB). Free memory was 1.0GB in the beginning and 2.6GB in the end (delta: -1.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 03:31:38,649 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 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1079.64ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.6MB in the beginning and 367.6MB in the end (delta: -253.0MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 704.18ms. Allocated memory is still 427.8MB. Free memory was 367.6MB in the beginning and 219.8MB in the end (delta: 147.8MB). Peak memory consumption was 142.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 915.12ms. Allocated memory is still 427.8MB. Free memory was 219.8MB in the beginning and 247.2MB in the end (delta: -27.4MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. * RCFGBuilder took 16764.97ms. Allocated memory was 427.8MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 246.9MB in the beginning and 1.0GB in the end (delta: -798.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 180227.01ms. Allocated memory was 2.2GB in the beginning and 4.7GB in the end (delta: 2.6GB). Free memory was 1.0GB in the beginning and 2.6GB in the end (delta: -1.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:31:38,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3 --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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:31:41,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:31:41,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:31:41,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:31:41,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:31:41,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:31:41,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:31:41,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:31:41,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:31:41,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:31:41,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:31:41,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:31:41,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:41,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:31:41,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:31:41,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:31:41,448 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:31:41,448 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:41,448 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:31:41,448 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3 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 -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-25 03:31:41,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:31:41,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:31:41,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:31:41,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:31:41,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:31:41,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-25 03:31:44,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/3f70c1a1b/7d0a803deb3f43409aff9b46098b264e/FLAGfcf758d92 [2024-11-25 03:31:45,134 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:31:45,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-25 03:31:45,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/3f70c1a1b/7d0a803deb3f43409aff9b46098b264e/FLAGfcf758d92 [2024-11-25 03:31:45,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/data/3f70c1a1b/7d0a803deb3f43409aff9b46098b264e [2024-11-25 03:31:45,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:31:45,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:31:45,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:45,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:31:45,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:31:45,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:45" (1/1) ... [2024-11-25 03:31:45,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cfc885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:45, skipping insertion in model container [2024-11-25 03:31:45,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:45" (1/1) ... [2024-11-25 03:31:45,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:31:45,540 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-25 03:31:45,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:45,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:31:45,942 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_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-25 03:31:46,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:31:46,159 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:31:46,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46 WrapperNode [2024-11-25 03:31:46,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:31:46,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:46,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:31:46,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:31:46,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,356 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2448 [2024-11-25 03:31:46,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:31:46,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:31:46,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:31:46,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:31:46,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:31:46,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:31:46,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:31:46,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:31:46,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:46" (1/1) ... [2024-11-25 03:31:46,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:31:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:31:46,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:31:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:31:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:31:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:31:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:31:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:31:47,169 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:31:47,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:31:51,382 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-25 03:31:51,382 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:31:51,463 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:31:51,463 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:31:51,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:51 BoogieIcfgContainer [2024-11-25 03:31:51,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:31:51,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:31:51,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:31:51,474 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:31:51,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:51" (1/1) ... [2024-11-25 03:31:51,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:31:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:31:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:31:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:31:51,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:51,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:51,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:31:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:52,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:52,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:31:52,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:31:52,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:31:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:31:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:31:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:31:53,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:53,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:53,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffd8df2-fd3b-4aa2-bcec-4bc2025cb186/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:31:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:54,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:55,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:31:55,344 INFO L279 TraceCheckSpWp]: Computing forward predicates...