./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/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_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:49:26,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:49:26,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:49:26,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:49:26,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:49:26,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:49:26,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:49:26,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:49:26,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:49:26,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:49:26,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:49:26,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:49:26,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:49:26,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:49:26,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:49:26,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:49:26,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:49:26,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:49:26,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:49:26,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:49:26,754 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:49:26,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:49:26,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:49:26,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:49:26,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:49:26,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:49:26,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:49:26,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:49:26,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:49:26,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:26,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:49:26,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:49:26,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:49:26,779 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:49:26,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:49:26,780 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_81fafda5-1a28-4ac1-bf59-d86c774961d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e [2024-11-08 22:49:27,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:49:27,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:49:27,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:49:27,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:49:27,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:49:27,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 22:49:29,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:49:29,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:49:29,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2024-11-08 22:49:29,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/data/141dbcb30/27625b88f1434114923a2dd81fd4a8f8/FLAG00b74c3f3 [2024-11-08 22:49:29,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/data/141dbcb30/27625b88f1434114923a2dd81fd4a8f8 [2024-11-08 22:49:29,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:49:29,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:49:29,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:29,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:49:29,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:49:29,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f841e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29, skipping insertion in model container [2024-11-08 22:49:29,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:49:29,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:29,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:49:29,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:29,712 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:49:29,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29 WrapperNode [2024-11-08 22:49:29,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:29,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:29,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:49:29,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:49:29,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,758 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-08 22:49:29,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:29,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:49:29,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:49:29,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:49:29,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:49:29,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:49:29,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:49:29,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:49:29,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:29" (1/1) ... [2024-11-08 22:49:29,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:49:29,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:49:29,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fafda5-1a28-4ac1-bf59-d86c774961d9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:49:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:49:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:49:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:49:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:49:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:49:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:49:29,979 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:49:29,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:49:30,338 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-08 22:49:30,338 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:49:30,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:49:30,419 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:49:30,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:30 BoogieIcfgContainer [2024-11-08 22:49:30,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:49:30,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:49:30,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:49:30,438 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:49:30,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:30" (1/1) ... [2024-11-08 22:49:30,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:49:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2024-11-08 22:49:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-11-08 22:49:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:49:30,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,716 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 22:49:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-11-08 22:49:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-11-08 22:49:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:49:30,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:30,879 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 22:49:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2024-11-08 22:49:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-11-08 22:49:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:49:30,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:30,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,006 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 22:49:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2024-11-08 22:49:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2024-11-08 22:49:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:49:31,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:31,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,193 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 22:49:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2024-11-08 22:49:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-08 22:49:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:49:31,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:49:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:31,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:49:31,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:31,537 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 22:49:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2024-11-08 22:49:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2024-11-08 22:49:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:49:31,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:49:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:32,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:49:32,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:32,092 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 22:49:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2024-11-08 22:49:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2024-11-08 22:49:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:49:32,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:32,982 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 22:49:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2024-11-08 22:49:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-11-08 22:49:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:49:34,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:34,496 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 22:49:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2024-11-08 22:49:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2024-11-08 22:49:35,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:49:35,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:35,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:49:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:35,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:49:35,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:35,814 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 22:49:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2024-11-08 22:49:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-11-08 22:49:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:49:38,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:49:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:38,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:49:38,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:39,042 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 22:49:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2024-11-08 22:49:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2024-11-08 22:49:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:49:42,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,654 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 22:49:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 103 states and 142 transitions. [2024-11-08 22:49:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2024-11-08 22:49:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:49:46,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:46,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:46,850 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 22:49:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 112 states and 158 transitions. [2024-11-08 22:49:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-08 22:49:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:49:48,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:48,795 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 22:49:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 169 transitions. [2024-11-08 22:49:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2024-11-08 22:49:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:49:49,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:49,939 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 22:49:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 127 states and 185 transitions. [2024-11-08 22:49:51,521 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2024-11-08 22:49:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:49:51,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:51,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:51,652 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 22:49:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 129 states and 188 transitions. [2024-11-08 22:49:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 188 transitions. [2024-11-08 22:49:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:49:51,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:52,152 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 22:49:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 135 states and 202 transitions. [2024-11-08 22:49:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2024-11-08 22:49:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:49:53,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:53,914 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 22:49:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 137 states and 206 transitions. [2024-11-08 22:49:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 206 transitions. [2024-11-08 22:49:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:49:54,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:54,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:54,835 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 22:49:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 144 states and 230 transitions. [2024-11-08 22:49:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 230 transitions. [2024-11-08 22:49:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:49:56,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:56,527 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 22:49:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 148 states and 238 transitions. [2024-11-08 22:49:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 238 transitions. [2024-11-08 22:49:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:49:57,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:57,087 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 22:49:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 151 states and 242 transitions. [2024-11-08 22:49:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 242 transitions. [2024-11-08 22:49:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:49:57,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:57,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 166 states and 270 transitions. [2024-11-08 22:50:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2024-11-08 22:50:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:50:00,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:00,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:00,324 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 22:50:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 168 states and 273 transitions. [2024-11-08 22:50:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 273 transitions. [2024-11-08 22:50:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:50:00,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:00,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 184 states and 304 transitions. [2024-11-08 22:50:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 304 transitions. [2024-11-08 22:50:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:50:04,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:04,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,299 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 22:50:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 185 states and 304 transitions. [2024-11-08 22:50:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 304 transitions. [2024-11-08 22:50:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:50:04,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:04,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:04,709 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 22:50:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 195 states and 330 transitions. [2024-11-08 22:50:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 330 transitions. [2024-11-08 22:50:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:50:09,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:09,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:50:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:09,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:50:09,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:50:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 204 states and 359 transitions. [2024-11-08 22:50:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2024-11-08 22:50:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:50:14,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:14,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:14,953 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 22:50:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 215 states and 383 transitions. [2024-11-08 22:50:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 383 transitions. [2024-11-08 22:50:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:50:30,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:50:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:30,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:50:30,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:54,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:52:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 223 states and 404 transitions. [2024-11-08 22:52:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 404 transitions. [2024-11-08 22:52:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:52:00,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 227 states and 408 transitions. [2024-11-08 22:52:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 408 transitions. [2024-11-08 22:52:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:52:02,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:52:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 236 states and 425 transitions. [2024-11-08 22:52:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 425 transitions. [2024-11-08 22:52:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:52:14,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:14,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 22:52:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 238 states and 431 transitions. [2024-11-08 22:52:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 431 transitions. [2024-11-08 22:52:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:52:19,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 242 states and 435 transitions. [2024-11-08 22:52:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 435 transitions. [2024-11-08 22:52:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:20,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:20,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 247 states and 445 transitions. [2024-11-08 22:52:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 445 transitions. [2024-11-08 22:52:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:28,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 248 states and 446 transitions. [2024-11-08 22:52:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 446 transitions. [2024-11-08 22:52:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:30,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 250 states and 449 transitions. [2024-11-08 22:52:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 449 transitions. [2024-11-08 22:52:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:34,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:34,217 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 22:52:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 254 states and 453 transitions. [2024-11-08 22:52:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 453 transitions. [2024-11-08 22:52:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:52:35,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:35,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:52:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:35,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:52:35,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:52:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 265 states and 492 transitions. [2024-11-08 22:53:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 492 transitions. [2024-11-08 22:53:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:10,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:10,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 271 states and 506 transitions. [2024-11-08 22:53:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 506 transitions. [2024-11-08 22:53:31,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:31,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:31,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 274 states and 511 transitions. [2024-11-08 22:53:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 511 transitions. [2024-11-08 22:53:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:41,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 276 states and 518 transitions. [2024-11-08 22:53:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 518 transitions. [2024-11-08 22:53:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:46,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 277 states and 520 transitions. [2024-11-08 22:53:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 520 transitions. [2024-11-08 22:53:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:50,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:50,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 278 states and 523 transitions. [2024-11-08 22:53:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 523 transitions. [2024-11-08 22:53:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:53,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 279 states and 526 transitions. [2024-11-08 22:53:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 526 transitions. [2024-11-08 22:53:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:53:55,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,925 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 22:54:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 283 states and 531 transitions. [2024-11-08 22:54:03,859 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 531 transitions. [2024-11-08 22:54:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:54:03,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:03,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:03,881 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 22:54:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 291 states and 550 transitions. [2024-11-08 22:54:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 550 transitions. [2024-11-08 22:54:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:54:38,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:54:38,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:55:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 298 states and 578 transitions. [2024-11-08 22:55:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 578 transitions. [2024-11-08 22:55:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:55:45,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:55:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:45,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:55:45,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:56:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 311 states and 612 transitions. [2024-11-08 22:56:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 612 transitions. [2024-11-08 22:56:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:56:31,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:56:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:31,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:56:31,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:57:33,834 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 37 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:58:02,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.79s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:58:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 322 states and 654 transitions. [2024-11-08 22:58:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 654 transitions. [2024-11-08 22:58:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:58:02,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:02,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:02,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:58:02,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 323 states and 658 transitions. [2024-11-08 22:58:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 658 transitions. [2024-11-08 22:58:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:58:06,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:58:06,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 325 states and 666 transitions. [2024-11-08 22:59:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 666 transitions. [2024-11-08 22:59:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:59:05,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:59:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:05,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:59:05,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 328 states and 679 transitions. [2024-11-08 22:59:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 679 transitions. [2024-11-08 22:59:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:59:52,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:59:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:52,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:59:52,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 342 states and 730 transitions. [2024-11-08 23:02:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 730 transitions. [2024-11-08 23:02:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:02:02,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:02,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:02,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:02:02,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:03:33,398 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)