./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i --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_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/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_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/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_51032567-6882-4c9c-a42c-5da44832d25b/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 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:34,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:34,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:10:34,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:10:34,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:10:34,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:34,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:34,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:34,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:34,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:34,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:34,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:34,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:10:34,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:34,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:34,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:34,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:34,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:10:34,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:10:34,146 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_51032567-6882-4c9c-a42c-5da44832d25b/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 -> 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 [2024-12-05 23:10:34,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:34,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:34,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:34,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:34,405 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:34,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-12-05 23:10:37,034 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/data/e064294a4/004a3dad8cbf48b5b9a48b7bff8b6a73/FLAG7fece1788 [2024-12-05 23:10:37,239 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:37,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-12-05 23:10:37,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/data/e064294a4/004a3dad8cbf48b5b9a48b7bff8b6a73/FLAG7fece1788 [2024-12-05 23:10:37,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/data/e064294a4/004a3dad8cbf48b5b9a48b7bff8b6a73 [2024-12-05 23:10:37,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:37,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:37,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:37,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:37,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:37,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dcc4c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37, skipping insertion in model container [2024-12-05 23:10:37,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:37,390 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_51032567-6882-4c9c-a42c-5da44832d25b/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-12-05 23:10:37,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:37,409 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:37,418 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_51032567-6882-4c9c-a42c-5da44832d25b/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-12-05 23:10:37,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:37,436 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:37,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37 WrapperNode [2024-12-05 23:10:37,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:37,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:37,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:37,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:37,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,458 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-12-05 23:10:37,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:37,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:37,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:37,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:37,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:37,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:37,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:37,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:37,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:37,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:37,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:37,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51032567-6882-4c9c-a42c-5da44832d25b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:10:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:10:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:10:37,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:10:37,566 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:37,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:37,683 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:10:37,683 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:37,729 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:10:37,730 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 23:10:37,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:37 BoogieIcfgContainer [2024-12-05 23:10:37,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:10:37,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:10:37,731 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:10:37,739 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:10:37,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:10:37" (1/1) ... [2024-12-05 23:10:37,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:10:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 23:10:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 23:10:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:10:37,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:37,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:37,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:10:37,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:38,014 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 23:10:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-05 23:10:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-05 23:10:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:10:38,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:38,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:38,403 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 23:10:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 23:10:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 23:10:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:10:38,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-05 23:10:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-05 23:10:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:10:39,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:39,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:10:39,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:39,538 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 23:10:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-12-05 23:10:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-12-05 23:10:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:10:40,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:40,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:10:40,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2024-12-05 23:10:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2024-12-05 23:10:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:10:42,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:42,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:10:42,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2024-12-05 23:10:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-12-05 23:10:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:10:44,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:44,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:44,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:10:44,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 38 states and 86 transitions. [2024-12-05 23:10:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 86 transitions. [2024-12-05 23:10:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:10:46,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:46,100 WARN L254 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:10:46,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 43 states and 100 transitions. [2024-12-05 23:10:48,734 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 100 transitions. [2024-12-05 23:10:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:10:48,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:48,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:48,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 23:10:48,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:10:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 48 states and 113 transitions. [2024-12-05 23:10:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 113 transitions. [2024-12-05 23:10:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:10:51,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:10:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 125 transitions. [2024-12-05 23:10:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 125 transitions. [2024-12-05 23:10:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:10:55,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:55,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:10:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-12-05 23:10:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-12-05 23:10:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:10:58,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:58,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:10:58,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:11:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 54 states and 121 transitions. [2024-12-05 23:11:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 121 transitions. [2024-12-05 23:11:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:11:03,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:03,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:11:03,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:03,715 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 23:11:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 131 transitions. [2024-12-05 23:11:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-12-05 23:11:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:11:07,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:07,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:07,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 23:11:07,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:11:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 59 states and 138 transitions. [2024-12-05 23:11:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 138 transitions. [2024-12-05 23:11:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:11:24,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:24,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:24,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 23:11:24,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:11:41,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 150 transitions. [2024-12-05 23:11:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 150 transitions. [2024-12-05 23:11:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:11:41,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:41,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 23:11:41,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:11:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 65 states and 152 transitions. [2024-12-05 23:11:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 152 transitions. [2024-12-05 23:11:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:11:46,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:46,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:46,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 23:11:46,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:11:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 156 transitions. [2024-12-05 23:11:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 156 transitions. [2024-12-05 23:11:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:11:56,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:12:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 158 transitions. [2024-12-05 23:12:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 158 transitions. [2024-12-05 23:12:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:12:01,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:01,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:12:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:01,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 23:12:01,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:12:43,008 WARN L286 SmtUtils]: Spent 12.00s on a formula simplification that was a NOOP. DAG size: 113 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:12:56,296 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:13:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 75 states and 174 transitions. [2024-12-05 23:13:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 174 transitions. [2024-12-05 23:13:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:13:26,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:13:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:27,052 WARN L254 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 23:13:27,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:14:12,606 WARN L286 SmtUtils]: Spent 22.42s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:14:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 82 states and 190 transitions. [2024-12-05 23:14:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 190 transitions. [2024-12-05 23:14:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:14:50,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:14:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:50,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 23:14:50,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:15:54,902 WARN L286 SmtUtils]: Spent 21.23s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:16:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 84 states and 196 transitions. [2024-12-05 23:16:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 196 transitions. [2024-12-05 23:16:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:16:27,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:16:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:28,207 WARN L254 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 23:16:28,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:41,325 WARN L286 SmtUtils]: Spent 10.21s 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 23:16:51,343 WARN L286 SmtUtils]: Spent 10.02s 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 23:17:11,365 WARN L286 SmtUtils]: Spent 20.02s 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 23:17:21,377 WARN L286 SmtUtils]: Spent 10.01s 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 23:18:40,764 WARN L286 SmtUtils]: Spent 51.74s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:19:01,259 WARN L286 SmtUtils]: Spent 20.40s 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 23:19:11,418 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-05 23:19:21,431 WARN L286 SmtUtils]: Spent 10.01s 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 23:19:32,266 WARN L286 SmtUtils]: Spent 10.01s 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 23:19:52,280 WARN L286 SmtUtils]: Spent 20.01s 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 23:20:02,405 WARN L286 SmtUtils]: Spent 10.12s 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 23:20:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:20:42,069 WARN L286 SmtUtils]: Spent 13.36s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:21:21,211 WARN L286 SmtUtils]: Spent 36.01s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:22:40,517 WARN L286 SmtUtils]: Spent 51.41s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:24:32,427 WARN L286 SmtUtils]: Spent 1.84m on a formula simplification that was a NOOP. DAG size: 257 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:25:28,619 WARN L286 SmtUtils]: Spent 52.75s on a formula simplification that was a NOOP. DAG size: 258 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:25:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:25:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 86 states and 202 transitions. [2024-12-05 23:25:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 202 transitions. [2024-12-05 23:25:29,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-05 23:25:29,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:25:29,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:25:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:25:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.