./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:39:14,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:15,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:39:15,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:39:15,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:39:15,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:15,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:15,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:15,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:15,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:15,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:15,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:15,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:15,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:39:15,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:15,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:15,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:15,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:15,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:15,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:15,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:15,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:15,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:15,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:15,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:15,106 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:15,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:15,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:15,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:15,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:15,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:15,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:39:15,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:39:15,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 [2024-11-08 19:39:15,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:15,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:15,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:15,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:15,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:15,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i Unable to find full path for "g++" [2024-11-08 19:39:17,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:17,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:17,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2024-11-08 19:39:17,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/data/b8dd57220/5c07416145a540d698177f153fb511b2/FLAG14aaedc88 [2024-11-08 19:39:17,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/data/b8dd57220/5c07416145a540d698177f153fb511b2 [2024-11-08 19:39:17,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:17,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:17,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:17,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:17,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:17,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a7521d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17, skipping insertion in model container [2024-11-08 19:39:17,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:17,883 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_4f052648-61ea-46ec-8c80-e70dc14ef458/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-08 19:39:17,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:17,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:17,924 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_4f052648-61ea-46ec-8c80-e70dc14ef458/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2024-11-08 19:39:17,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:17,947 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:17,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17 WrapperNode [2024-11-08 19:39:17,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:17,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:17,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:17,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:17,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,975 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-08 19:39:17,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:17,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:17,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:17,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:17,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:17,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:18,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:18,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:18,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:18,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:18,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:18,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:18,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:18,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:17" (1/1) ... [2024-11-08 19:39:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:18,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:18,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:18,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f052648-61ea-46ec-8c80-e70dc14ef458/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:39:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:18,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:39:18,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:39:18,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:18,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:18,278 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:39:18,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:18,337 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:39:18,338 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:39:18,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:18 BoogieIcfgContainer [2024-11-08 19:39:18,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:39:18,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:39:18,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:39:18,350 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:39:18,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:18" (1/1) ... [2024-11-08 19:39:18,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:39:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:18,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 19:39:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 19:39:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:39:18,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 19:39:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 19:39:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:39:18,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:18,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:39:18,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 19:39:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 19:39:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:39:19,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:19,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:20,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 19:39:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 19:39:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:39:20,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 19:39:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 19:39:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:39:20,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:20,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:20,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:39:20,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-08 19:39:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-08 19:39:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:39:22,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:22,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:23,012 WARN L253 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:39:23,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-08 19:39:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-08 19:39:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:39:24,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:25,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:39:25,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-11-08 19:39:27,718 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-08 19:39:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:39:27,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:27,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:39:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2024-11-08 19:39:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2024-11-08 19:39:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:39:31,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:31,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:39:31,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 66 states and 125 transitions. [2024-11-08 19:39:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2024-11-08 19:39:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:39:35,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:35,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:35,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:39:35,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2024-11-08 19:39:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2024-11-08 19:39:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:39:40,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:40,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:40,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:39:40,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 165 transitions. [2024-11-08 19:40:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2024-11-08 19:40:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:40:06,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:07,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:40:07,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 172 transitions. [2024-11-08 19:40:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2024-11-08 19:40:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:40:13,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:40:13,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 99 states and 189 transitions. [2024-11-08 19:40:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 189 transitions. [2024-11-08 19:40:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 19:40:22,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:22,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 87 states and 163 transitions. [2024-11-08 19:40:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 163 transitions. [2024-11-08 19:40:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:40:51,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:51,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:51,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:40:51,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:41:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:41:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 91 states and 171 transitions. [2024-11-08 19:41:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2024-11-08 19:41:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:41:27,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:27,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:42:36,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:36,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 93 states and 174 transitions. [2024-11-08 19:42:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-08 19:42:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:42:36,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:36,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:42:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:37,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:42:37,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:43:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:14,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 99 states and 187 transitions. [2024-11-08 19:43:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 187 transitions. [2024-11-08 19:43:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:43:14,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:14,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:43:14,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:44:48,810 WARN L286 SmtUtils]: Spent 33.38s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:45:23,728 WARN L286 SmtUtils]: Spent 33.34s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:46:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 110 states and 208 transitions. [2024-11-08 19:46:10,081 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-08 19:46:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:46:10,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:10,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:10,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:46:10,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:46:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 215 transitions. [2024-11-08 19:46:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 215 transitions. [2024-11-08 19:46:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 19:46:59,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:59,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:47:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:00,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:47:00,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:48:22,972 WARN L286 SmtUtils]: Spent 54.16s on a formula simplification. DAG size of input: 123 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:49:57,828 WARN L286 SmtUtils]: Spent 1.56m on a formula simplification that was a NOOP. DAG size: 125 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:50:23,117 WARN L286 SmtUtils]: Spent 12.23s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:51:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 116 states and 222 transitions. [2024-11-08 19:51:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 222 transitions. [2024-11-08 19:51:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:51:00,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:51:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:51:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:01,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:51:01,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:52:52,097 WARN L286 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 140 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:53:48,465 WARN L286 SmtUtils]: Spent 54.25s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)