./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/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_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/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_56dd87cb-0eeb-4022-89d7-be71fe05485a/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 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:48:37,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:48:37,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:48:37,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:48:37,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:48:38,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:48:38,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:48:38,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:48:38,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:48:38,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:48:38,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:48:38,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:48:38,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:48:38,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:48:38,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:48:38,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:48:38,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:48:38,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:48:38,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:48:38,008 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:48:38,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:48:38,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:48:38,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:48:38,019 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:48:38,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:48:38,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:48:38,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:48:38,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:38,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:48:38,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:48:38,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:48:38,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:48:38,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:48:38,022 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_56dd87cb-0eeb-4022-89d7-be71fe05485a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c [2024-11-08 19:48:38,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:48:38,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:48:38,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:48:38,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:48:38,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:48:38,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 19:48:40,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:48:40,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:48:40,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2024-11-08 19:48:40,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/data/114c49c02/649bd848e14a4c6e957fda11fb9bbdb3/FLAG7035c4964 [2024-11-08 19:48:40,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/data/114c49c02/649bd848e14a4c6e957fda11fb9bbdb3 [2024-11-08 19:48:40,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:48:40,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:48:40,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:40,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:48:40,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:48:40,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:40" (1/1) ... [2024-11-08 19:48:40,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e730ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:40, skipping insertion in model container [2024-11-08 19:48:40,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:48:40" (1/1) ... [2024-11-08 19:48:40,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:48:40,989 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_56dd87cb-0eeb-4022-89d7-be71fe05485a/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-11-08 19:48:41,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:41,024 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:48:41,038 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_56dd87cb-0eeb-4022-89d7-be71fe05485a/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-11-08 19:48:41,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:48:41,068 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:48:41,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41 WrapperNode [2024-11-08 19:48:41,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:48:41,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:41,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:48:41,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:48:41,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,103 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-08 19:48:41,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:48:41,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:48:41,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:48:41,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:48:41,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:48:41,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:48:41,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:48:41,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:48:41,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:48:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:48:41,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:48:41,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56dd87cb-0eeb-4022-89d7-be71fe05485a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:48:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:48:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:48:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:48:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:48:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:48:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:48:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:48:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:48:41,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:48:41,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:48:41,440 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 19:48:41,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:48:41,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:48:41,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:48:41,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:41 BoogieIcfgContainer [2024-11-08 19:48:41,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:48:41,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:48:41,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:48:41,506 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:48:41,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:48:41" (1/1) ... [2024-11-08 19:48:41,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:48:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 19:48:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 19:48:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:48:41,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:48:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-08 19:48:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-08 19:48:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:48:41,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:48:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:41,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:48:41,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:48:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 19:48:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 19:48:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:48:42,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:48:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-08 19:48:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 19:48:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:48:42,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:48:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-08 19:48:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 19:48:44,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:48:44,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:44,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:48:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:44,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:48:44,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:48:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-11-08 19:48:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-08 19:48:47,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:48:47,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:48:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:47,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:48:47,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:47,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:48:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-11-08 19:48:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-08 19:48:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 19:48:50,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:50,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:48:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:50,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:48:50,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 19:49:04,671 WARN L286 SmtUtils]: Spent 10.33s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:49:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-11-08 19:49:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-08 19:49:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 19:49:05,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:05,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:49:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:05,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:49:05,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 19:49:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 71 transitions. [2024-11-08 19:49:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-08 19:49:11,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 19:49:11,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:11,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:49:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:11,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:49:11,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-08 19:50:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 112 transitions. [2024-11-08 19:50:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-11-08 19:50:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 19:50:52,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:50:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:52,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:50:52,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:50:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 19:51:11,109 WARN L286 SmtUtils]: Spent 17.22s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:51:54,773 WARN L286 SmtUtils]: Spent 40.13s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:51:55,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:52:00,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:52:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:52:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 119 transitions. [2024-11-08 19:52:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-11-08 19:52:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 19:52:00,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:52:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:52:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:00,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 19:52:00,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 31 proven. 107 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:53:09,845 WARN L286 SmtUtils]: Spent 54.23s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:53:48,276 WARN L286 SmtUtils]: Spent 21.91s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:53:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 126 transitions. [2024-11-08 19:53:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2024-11-08 19:53:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 19:53:51,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:51,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:53:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:53:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:52,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 19:53:52,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-08 19:54:48,246 WARN L286 SmtUtils]: Spent 54.28s 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) [2024-11-08 19:55:28,441 WARN L286 SmtUtils]: Spent 35.24s 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) [2024-11-08 19:55:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:55:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 133 transitions. [2024-11-08 19:55:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2024-11-08 19:55:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 19:55:34,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:55:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:55:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:55:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:55:35,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 19:55:35,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:55:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 41 proven. 173 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-08 19:56:47,296 WARN L286 SmtUtils]: Spent 58.70s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:58:00,352 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:58:07,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:58:16,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:58:29,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:58:40,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:58:49,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:58:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:58:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 140 transitions. [2024-11-08 19:58:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2024-11-08 19:58:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 19:58:49,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:58:49,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:58:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:58:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:58:49,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 19:58:49,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:58:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 20 proven. 211 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:59:57,703 WARN L286 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 20:01:13,629 WARN L286 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 20:01:40,812 WARN L286 SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 20:01:43,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 20:01:53,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 20:01:55,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 20:01:55,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 20:01:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 91 states and 147 transitions. [2024-11-08 20:01:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2024-11-08 20:01:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 20:01:55,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 20:01:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:01:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 20:01:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:01:55,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 20:01:55,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 20:02:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 51 proven. 255 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-08 20:03:42,281 WARN L286 SmtUtils]: Spent 1.48m on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)