./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/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_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/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_fb826042-64e1-427e-8370-c69ab7f0eec9/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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:00:32,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:00:32,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:00:32,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:00:32,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:00:32,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:00:32,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:00:32,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:00:32,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:00:32,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:00:32,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:00:32,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:00:32,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:00:32,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:00:32,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:00:32,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:00:32,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:00:32,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:00:32,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:00:32,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:00:32,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:00:32,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:00:32,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:00:32,774 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_fb826042-64e1-427e-8370-c69ab7f0eec9/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 -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-12-06 03:00:33,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:00:33,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:00:33,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:00:33,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:00:33,082 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:00:33,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-12-06 03:00:36,398 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/c57fe73ac/90c2efa21dab4ba3bf1a772c5c676ac2/FLAG6e935039e [2024-12-06 03:00:36,686 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:00:36,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-12-06 03:00:36,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/c57fe73ac/90c2efa21dab4ba3bf1a772c5c676ac2/FLAG6e935039e [2024-12-06 03:00:36,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/c57fe73ac/90c2efa21dab4ba3bf1a772c5c676ac2 [2024-12-06 03:00:36,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:00:36,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:00:36,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:00:36,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:00:36,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:00:36,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:00:36" (1/1) ... [2024-12-06 03:00:36,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ea1dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:36, skipping insertion in model container [2024-12-06 03:00:36,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:00:36" (1/1) ... [2024-12-06 03:00:36,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:00:36,928 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_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-12-06 03:00:37,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:00:37,220 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:00:37,229 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_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-12-06 03:00:37,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:00:37,370 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:00:37,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37 WrapperNode [2024-12-06 03:00:37,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:00:37,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:00:37,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:00:37,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:00:37,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:37,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:37,836 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4067 [2024-12-06 03:00:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:00:37,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:00:37,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:00:37,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:00:37,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:37,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:37,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:37,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:00:38,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:00:38,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:00:38,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:00:38,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:00:37" (1/1) ... [2024-12-06 03:00:38,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:00:38,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:00:38,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:00:38,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:00:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:00:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:00:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:00:38,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:00:38,799 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:00:38,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:00:43,151 INFO L? ?]: Removed 2176 outVars from TransFormulas that were not future-live. [2024-12-06 03:00:43,151 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:00:48,373 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:00:48,373 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:00:48,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:00:48 BoogieIcfgContainer [2024-12-06 03:00:48,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:00:48,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:00:48,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:00:48,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:00:48,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:00:48" (1/1) ... [2024-12-06 03:00:48,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:00:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:00:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:00:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:00:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:00:48,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:00:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:00:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:50,872 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 03:01:01,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:01:11,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:01:15,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:01:25,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:01:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:01:25,332 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:01:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:01:25,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:01:55,515 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:02:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:02:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:02:32,887 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 03:02:32,892 INFO L158 Benchmark]: Toolchain (without parser) took 116169.41ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 90.9MB in the beginning and 812.6MB in the end (delta: -721.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 03:02:32,893 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:02:32,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.32ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 78.0MB in the end (delta: 12.9MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2024-12-06 03:02:32,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 464.32ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 77.4MB in the beginning and 105.3MB in the end (delta: -27.8MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2024-12-06 03:02:32,895 INFO L158 Benchmark]: Boogie Preprocessor took 591.60ms. Allocated memory was 201.3MB in the beginning and 503.3MB in the end (delta: 302.0MB). Free memory was 105.3MB in the beginning and 382.4MB in the end (delta: -277.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-12-06 03:02:32,896 INFO L158 Benchmark]: RCFGBuilder took 9942.94ms. Allocated memory was 503.3MB in the beginning and 1.3GB in the end (delta: 822.1MB). Free memory was 382.4MB in the beginning and 964.8MB in the end (delta: -582.4MB). Peak memory consumption was 457.6MB. Max. memory is 16.1GB. [2024-12-06 03:02:32,896 INFO L158 Benchmark]: CodeCheck took 104516.86ms. Allocated memory was 1.3GB in the beginning and 2.3GB in the end (delta: 1.0GB). Free memory was 964.8MB in the beginning and 812.6MB in the end (delta: 152.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 03:02:32,900 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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.32ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 78.0MB in the end (delta: 12.9MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 464.32ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 77.4MB in the beginning and 105.3MB in the end (delta: -27.8MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 591.60ms. Allocated memory was 201.3MB in the beginning and 503.3MB in the end (delta: 302.0MB). Free memory was 105.3MB in the beginning and 382.4MB in the end (delta: -277.1MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9942.94ms. Allocated memory was 503.3MB in the beginning and 1.3GB in the end (delta: 822.1MB). Free memory was 382.4MB in the beginning and 964.8MB in the end (delta: -582.4MB). Peak memory consumption was 457.6MB. Max. memory is 16.1GB. * CodeCheck took 104516.86ms. Allocated memory was 1.3GB in the beginning and 2.3GB in the end (delta: 1.0GB). Free memory was 964.8MB in the beginning and 812.6MB in the end (delta: 152.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:02:32,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/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_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/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_fb826042-64e1-427e-8370-c69ab7f0eec9/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 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:02:35,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:02:35,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:02:35,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:02:35,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:02:35,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:02:35,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:02:35,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:02:35,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:02:35,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:02:35,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:02:35,573 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:02:35,574 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:35,574 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:02:35,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:02:35,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:35,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:02:35,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:02:35,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:02:35,575 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:02:35,575 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:35,575 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:02:35,575 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_fb826042-64e1-427e-8370-c69ab7f0eec9/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 -> 2e2d9d2edf7ef9ac8635f9a307425f0db3fcdf30b6f3620ad75a928e7dc256e0 [2024-12-06 03:02:35,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:02:35,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:02:35,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:02:35,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:02:35,873 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:02:35,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-12-06 03:02:39,121 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/20077a6f9/7284606b5abf400e8ad6ab2f87d1250f/FLAGc1d65dc40 [2024-12-06 03:02:39,351 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:02:39,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c [2024-12-06 03:02:39,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/20077a6f9/7284606b5abf400e8ad6ab2f87d1250f/FLAGc1d65dc40 [2024-12-06 03:02:39,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/data/20077a6f9/7284606b5abf400e8ad6ab2f87d1250f [2024-12-06 03:02:39,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:02:39,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:02:39,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:39,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:02:39,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:02:39,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc32ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39, skipping insertion in model container [2024-12-06 03:02:39,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:02:39,574 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_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-12-06 03:02:39,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:39,758 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:02:39,766 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_fb826042-64e1-427e-8370-c69ab7f0eec9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-back-serstep.c[1177,1190] [2024-12-06 03:02:39,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:02:39,865 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:02:39,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39 WrapperNode [2024-12-06 03:02:39,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:02:39,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:39,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:02:39,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:02:39,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,953 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1267 [2024-12-06 03:02:39,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:02:39,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:02:39,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:02:39,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:02:39,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:39,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:40,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:40,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:40,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:02:40,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:02:40,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:02:40,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:02:40,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:02:39" (1/1) ... [2024-12-06 03:02:40,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:02:40,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:02:40,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:02:40,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:02:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:02:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:02:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:02:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:02:40,352 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:02:40,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:02:41,475 INFO L? ?]: Removed 169 outVars from TransFormulas that were not future-live. [2024-12-06 03:02:41,475 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:02:41,531 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:02:41,531 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:02:41,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:41 BoogieIcfgContainer [2024-12-06 03:02:41,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:02:41,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:02:41,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:02:41,543 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:02:41,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:02:41" (1/1) ... [2024-12-06 03:02:41,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:02:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:02:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:02:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:02:41,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:41,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:41,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:41,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:02:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:42,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:42,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:02:42,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:42,449 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 03:02:42,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:02:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:02:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:02:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:02:42,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:42,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:42,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb826042-64e1-427e-8370-c69ab7f0eec9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:02:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:43,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:43,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 03:02:43,965 INFO L279 TraceCheckSpWp]: Computing forward predicates...