./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/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_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/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 32bit --witnessprinter.graph.data.programhash 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:46:05,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:46:05,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:46:05,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:46:05,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:46:06,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:46:06,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:46:06,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:46:06,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:46:06,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:46:06,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:46:06,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:46:06,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:46:06,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:06,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:46:06,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:46:06,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:46:06,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:46:06,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:46:06,007 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_e63ec288-4066-4083-8f36-03e4b00f5cc9/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe [2024-12-05 23:46:06,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:46:06,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:46:06,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:46:06,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:46:06,326 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:46:06,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2024-12-05 23:46:09,090 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/data/7df8737a6/f701937160d6417eaf04d88321e8b2af/FLAG1b21161cf [2024-12-05 23:46:09,107 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:46:09,290 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:46:09,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2024-12-05 23:46:09,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/data/7df8737a6/f701937160d6417eaf04d88321e8b2af/FLAG1b21161cf [2024-12-05 23:46:09,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/data/7df8737a6/f701937160d6417eaf04d88321e8b2af [2024-12-05 23:46:09,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:46:09,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:46:09,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:09,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:46:09,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:46:09,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437ed998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09, skipping insertion in model container [2024-12-05 23:46:09,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:46:09,444 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_e63ec288-4066-4083-8f36-03e4b00f5cc9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-12-05 23:46:09,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:09,466 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:46:09,476 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_e63ec288-4066-4083-8f36-03e4b00f5cc9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-12-05 23:46:09,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:09,490 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:46:09,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09 WrapperNode [2024-12-05 23:46:09,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:09,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:09,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:46:09,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:46:09,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,518 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-12-05 23:46:09,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:09,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:46:09,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:46:09,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:46:09,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:46:09,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:46:09,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:46:09,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:46:09,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:09,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:46:09,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:46:09,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e63ec288-4066-4083-8f36-03e4b00f5cc9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:46:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:46:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:46:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:46:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:46:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:46:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:46:09,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:46:09,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:46:09,786 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:46:09,786 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:46:09,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:46:09,808 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:46:09,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:09 BoogieIcfgContainer [2024-12-05 23:46:09,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:46:09,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:46:09,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:46:09,818 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:46:09,818 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:09" (1/1) ... [2024-12-05 23:46:09,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:46:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-05 23:46:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-05 23:46:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:46:09,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:09,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:10,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-05 23:46:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-05 23:46:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:46:10,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:10,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:46:10,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 23:46:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 23:46:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:46:10,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:10,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-05 23:46:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-05 23:46:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:46:10,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-05 23:46:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-05 23:46:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:46:11,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:11,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:46:11,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-05 23:46:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-05 23:46:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:46:12,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:12,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:12,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:46:12,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:46:19,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-05 23:46:19,536 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-05 23:46:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:46:19,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:19,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:46:19,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:46:35,279 WARN L286 SmtUtils]: Spent 14.73s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:46:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-12-05 23:46:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-05 23:46:36,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:46:36,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:46:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:36,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 23:46:36,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:46:51,855 WARN L286 SmtUtils]: Spent 14.90s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:47:12,408 WARN L286 SmtUtils]: Spent 20.36s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:47:17,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:47:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:47:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2024-12-05 23:47:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-12-05 23:47:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:47:17,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:47:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:47:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:47:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:47:17,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:47:17,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:47:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:47:53,802 WARN L286 SmtUtils]: Spent 35.09s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:48:26,539 WARN L286 SmtUtils]: Spent 32.23s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:48:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-12-05 23:48:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-05 23:48:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:48:31,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:48:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:31,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 23:48:31,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 20 proven. 85 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 23:49:27,336 WARN L286 SmtUtils]: Spent 43.59s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:25,516 WARN L286 SmtUtils]: Spent 57.68s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:50:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-12-05 23:50:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-12-05 23:50:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 23:50:29,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:50:29,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:50:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:50:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:50:29,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 23:50:29,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:50:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 44 proven. 111 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-05 23:51:19,139 WARN L286 SmtUtils]: Spent 44.19s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:10,972 WARN L286 SmtUtils]: Spent 3.85m on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:55:24,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:55:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:55:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2024-12-05 23:55:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2024-12-05 23:55:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 23:55:25,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:55:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:55:25,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 23:55:25,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:55:26,091 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 18 proven. 155 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:56:36,838 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:57:29,479 WARN L286 SmtUtils]: Spent 51.61s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:57:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:57:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2024-12-05 23:57:54,511 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2024-12-05 23:57:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:57:54,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:57:54,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:57:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:57:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:57:54,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-05 23:57:54,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:57:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 38 proven. 193 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.