./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.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_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/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_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/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_581256b3-cbc4-4596-b0f8-2ad341734010/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 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:16:19,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:16:19,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:16:19,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:16:19,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:16:19,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:16:19,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:16:19,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:16:19,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:16:19,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:16:19,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:16:19,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:16:19,564 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:16:19,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:16:19,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:19,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:16:19,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:16:19,566 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_581256b3-cbc4-4596-b0f8-2ad341734010/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 -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2024-12-05 22:16:19,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:16:19,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:16:19,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:16:19,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:16:19,844 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:16:19,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2024-12-05 22:16:23,021 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/data/3a69827db/1958ad9d4979453f80c987960cb4e2b4/FLAGf170a56b8 [2024-12-05 22:16:23,188 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:16:23,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2024-12-05 22:16:23,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/data/3a69827db/1958ad9d4979453f80c987960cb4e2b4/FLAGf170a56b8 [2024-12-05 22:16:23,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/data/3a69827db/1958ad9d4979453f80c987960cb4e2b4 [2024-12-05 22:16:23,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:16:23,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:16:23,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:23,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:16:23,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:16:23,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377fc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23, skipping insertion in model container [2024-12-05 22:16:23,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:16:23,374 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_581256b3-cbc4-4596-b0f8-2ad341734010/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2024-12-05 22:16:23,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:23,407 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:16:23,418 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_581256b3-cbc4-4596-b0f8-2ad341734010/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2024-12-05 22:16:23,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:23,438 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:16:23,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23 WrapperNode [2024-12-05 22:16:23,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:23,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:23,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:16:23,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:16:23,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,467 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-12-05 22:16:23,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:23,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:16:23,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:16:23,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:16:23,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,482 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:16:23,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:16:23,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:16:23,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:16:23,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:16:23,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:16:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_581256b3-cbc4-4596-b0f8-2ad341734010/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:16:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:16:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:16:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:16:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:16:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:16:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:16:23,635 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:16:23,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:16:23,808 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:16:23,808 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:16:23,909 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:16:23,909 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:16:23,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:23 BoogieIcfgContainer [2024-12-05 22:16:23,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:16:23,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:16:23,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:16:23,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:16:23,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:23" (1/1) ... [2024-12-05 22:16:23,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:16:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:16:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:16:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:16:23,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:23,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:24,115 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 22:16:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 22:16:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 22:16:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:24,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:24,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:16:24,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:24,360 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 22:16:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 22:16:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 22:16:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:24,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:24,574 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 22:16:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-05 22:16:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-05 22:16:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:16:24,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:24,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:16:24,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:25,258 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 22:16:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2024-12-05 22:16:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2024-12-05 22:16:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:16:26,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2024-12-05 22:16:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2024-12-05 22:16:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:16:27,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:27,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:27,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:16:27,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 79 transitions. [2024-12-05 22:16:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 79 transitions. [2024-12-05 22:16:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:16:30,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 82 transitions. [2024-12-05 22:16:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 82 transitions. [2024-12-05 22:16:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:16:31,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:31,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:31,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:16:31,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-12-05 22:16:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-12-05 22:16:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:16:32,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:32,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:16:32,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:39,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:16:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 96 transitions. [2024-12-05 22:16:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 96 transitions. [2024-12-05 22:16:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:16:39,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:39,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 22:16:39,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:17:37,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:17:41,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:17:42,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:17:52,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:17:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 47 states and 109 transitions. [2024-12-05 22:17:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 109 transitions. [2024-12-05 22:17:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:17:52,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:18:16,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:18:26,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:18:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 50 states and 118 transitions. [2024-12-05 22:18:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 118 transitions. [2024-12-05 22:18:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:18:52,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:18:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:18:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 51 states and 125 transitions. [2024-12-05 22:18:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 125 transitions. [2024-12-05 22:18:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:18:53,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:18:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:18:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 53 states and 129 transitions. [2024-12-05 22:18:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 129 transitions. [2024-12-05 22:18:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:18:55,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:55,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:18:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:18:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:55,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:18:56,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:19:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 54 states and 131 transitions. [2024-12-05 22:19:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 131 transitions. [2024-12-05 22:19:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:19:11,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:11,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:19:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 140 transitions. [2024-12-05 22:19:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 140 transitions. [2024-12-05 22:19:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:19:33,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:33,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:19:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:33,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:19:33,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:19:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 56 states and 143 transitions. [2024-12-05 22:19:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 143 transitions. [2024-12-05 22:19:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:19:57,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:57,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:19:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:57,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:19:57,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:19:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 58 states and 148 transitions. [2024-12-05 22:19:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 148 transitions. [2024-12-05 22:19:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:19:59,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:19:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:59,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 22:19:59,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:21:02,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:21:14,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:21:18,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:21:20,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:21:23,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-05 22:21:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 62 states and 165 transitions. [2024-12-05 22:21:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 165 transitions. [2024-12-05 22:21:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:21:23,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:21:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:23,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 22:21:23,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:38,275 WARN L286 SmtUtils]: Spent 10.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:21:51,006 WARN L286 SmtUtils]: Spent 12.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:22:03,566 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:23:12,751 WARN L286 SmtUtils]: Spent 42.17s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:23:21,836 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:23:35,341 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:23:56,777 WARN L286 SmtUtils]: Spent 21.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:24:22,930 WARN L286 SmtUtils]: Spent 12.74s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:24:32,997 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:24:47,774 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:25:20,553 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:25:35,061 WARN L286 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:25:56,832 WARN L286 SmtUtils]: Spent 10.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:26:25,712 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:28:17,334 WARN L286 SmtUtils]: Spent 56.90s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:28:30,719 WARN L286 SmtUtils]: Spent 10.51s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:29:03,745 WARN L286 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:29:15,715 WARN L286 SmtUtils]: Spent 11.93s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:29:26,433 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:29:47,537 WARN L286 SmtUtils]: Spent 11.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:30:14,915 WARN L286 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:30:29,061 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:30:40,784 WARN L286 SmtUtils]: Spent 11.60s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 22:30:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.