./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV --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 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:29,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:29,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:57:29,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:29,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:29,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:29,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:29,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:29,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:29,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:29,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:29,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:29,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:29,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:29,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:29,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:29,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:29,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:29,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:29,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:29,615 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:29,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:29,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:29,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:29,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:29,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:29,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:29,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:29,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:29,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:29,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:29,620 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:29,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:29,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:29,623 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_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2023-11-11 23:57:29,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:29,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:29,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:29,989 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:29,992 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:29,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2023-11-11 23:57:33,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:33,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:33,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2023-11-11 23:57:33,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/data/652662813/25e32ef708a447e08041c3714da8fdba/FLAGebd964b44 [2023-11-11 23:57:33,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/data/652662813/25e32ef708a447e08041c3714da8fdba [2023-11-11 23:57:33,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:33,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:33,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:33,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:33,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:33,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1945c278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33, skipping insertion in model container [2023-11-11 23:57:33,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:33,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:33,631 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:33,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:33,666 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:33,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33 WrapperNode [2023-11-11 23:57:33,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:33,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:33,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:33,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:33,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,712 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-11-11 23:57:33,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:33,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:33,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:33,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:33,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:33,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:33,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:33,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:33,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:33" (1/1) ... [2023-11-11 23:57:33,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:33,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:33,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ff8885-5afd-4f4a-8512-41a8efb15496/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:57:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:57:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:33,939 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:33,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:34,288 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:34,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:34,346 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:57:34,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:34 BoogieIcfgContainer [2023-11-11 23:57:34,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:34,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:34,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:34,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:34,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:34" (1/1) ... [2023-11-11 23:57:34,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-11 23:57:34,437 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-11 23:57:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:34,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:34,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:34,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 45 transitions. [2023-11-11 23:57:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-11 23:57:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:34,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:34,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:34,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:34,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 47 transitions. [2023-11-11 23:57:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-11 23:57:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:57:34,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:34,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:35,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:35,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:35,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 54 transitions. [2023-11-11 23:57:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-11 23:57:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:57:35,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:35,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:35,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 60 transitions. [2023-11-11 23:57:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-11 23:57:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:57:35,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:35,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:35,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:35,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 66 transitions. [2023-11-11 23:57:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-11 23:57:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:57:35,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:35,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:35,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:35,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 70 transitions. [2023-11-11 23:57:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2023-11-11 23:57:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:57:35,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:35,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:35,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 74 transitions. [2023-11-11 23:57:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2023-11-11 23:57:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:36,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:36,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:36,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:36,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 78 transitions. [2023-11-11 23:57:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-11 23:57:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:57:36,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:36,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:36,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 89 transitions. [2023-11-11 23:57:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2023-11-11 23:57:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:57:36,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:36,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:36,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:36,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 89 transitions. [2023-11-11 23:57:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2023-11-11 23:57:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:37,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:37,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:37,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:37,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 92 transitions. [2023-11-11 23:57:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-11 23:57:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:37,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:37,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:37,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:37,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 101 transitions. [2023-11-11 23:57:37,909 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2023-11-11 23:57:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:37,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:37,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:37,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 105 transitions. [2023-11-11 23:57:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2023-11-11 23:57:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:57:38,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:38,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:38,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:38,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 117 transitions. [2023-11-11 23:57:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2023-11-11 23:57:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:38,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:38,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:38,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:38,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 125 transitions. [2023-11-11 23:57:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2023-11-11 23:57:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:39,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:39,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:39,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:39,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 134 transitions. [2023-11-11 23:57:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2023-11-11 23:57:39,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:57:39,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:39,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:39,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:39,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 79 states and 141 transitions. [2023-11-11 23:57:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 141 transitions. [2023-11-11 23:57:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:40,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:40,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:40,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 80 states and 141 transitions. [2023-11-11 23:57:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2023-11-11 23:57:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:40,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:40,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:40,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 143 transitions. [2023-11-11 23:57:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2023-11-11 23:57:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:40,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:40,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:40,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 86 states and 154 transitions. [2023-11-11 23:57:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 154 transitions. [2023-11-11 23:57:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:41,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:41,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:41,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:57:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 88 states and 155 transitions. [2023-11-11 23:57:41,847 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 155 transitions. [2023-11-11 23:57:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:41,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:41,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:41,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 92 states and 169 transitions. [2023-11-11 23:57:42,524 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 169 transitions. [2023-11-11 23:57:42,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:42,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:42,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:42,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:57:42,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 95 states and 171 transitions. [2023-11-11 23:57:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 171 transitions. [2023-11-11 23:57:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:43,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:43,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:43,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 97 states and 177 transitions. [2023-11-11 23:57:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2023-11-11 23:57:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:43,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:43,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:43,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:43,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 186 transitions. [2023-11-11 23:57:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 186 transitions. [2023-11-11 23:57:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:57:44,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:44,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:44,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:57:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 105 states and 197 transitions. [2023-11-11 23:57:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 197 transitions. [2023-11-11 23:57:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:44,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:44,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:44,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:57:44,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 110 states and 205 transitions. [2023-11-11 23:57:46,281 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2023-11-11 23:57:46,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:46,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:46,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:46,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 208 transitions. [2023-11-11 23:57:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2023-11-11 23:57:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:46,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:46,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:46,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 115 states and 213 transitions. [2023-11-11 23:57:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 213 transitions. [2023-11-11 23:57:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:57:47,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 116 states and 213 transitions. [2023-11-11 23:57:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2023-11-11 23:57:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:57:47,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 118 states and 217 transitions. [2023-11-11 23:57:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2023-11-11 23:57:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:47,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 120 states and 225 transitions. [2023-11-11 23:57:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 225 transitions. [2023-11-11 23:57:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:47,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 234 transitions. [2023-11-11 23:57:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 234 transitions. [2023-11-11 23:57:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:47,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 126 states and 249 transitions. [2023-11-11 23:57:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 249 transitions. [2023-11-11 23:57:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:57:48,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:48,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:48,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:48,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:57:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 128 states and 250 transitions. [2023-11-11 23:57:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 250 transitions. [2023-11-11 23:57:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:49,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:49,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:57:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 129 states and 250 transitions. [2023-11-11 23:57:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 250 transitions. [2023-11-11 23:57:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:49,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:49,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:49,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:57:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 131 states and 254 transitions. [2023-11-11 23:57:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 254 transitions. [2023-11-11 23:57:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:57:50,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:57:50,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:57:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 133 states and 255 transitions. [2023-11-11 23:57:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 255 transitions. [2023-11-11 23:57:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:50,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:50,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:50,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 136 states and 257 transitions. [2023-11-11 23:57:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 257 transitions. [2023-11-11 23:57:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:51,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:51,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:57:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 139 states and 260 transitions. [2023-11-11 23:57:51,633 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 260 transitions. [2023-11-11 23:57:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:51,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:51,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:51,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:54,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:54,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 148 states and 283 transitions. [2023-11-11 23:57:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 283 transitions. [2023-11-11 23:57:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:54,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:54,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:54,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:54,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:54,198 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 154 states and 297 transitions. [2023-11-11 23:57:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2023-11-11 23:57:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:55,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:55,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:55,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 156 states and 299 transitions. [2023-11-11 23:57:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 299 transitions. [2023-11-11 23:57:55,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:57:55,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:55,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:55,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:57:55,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:57:56,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 157 states and 302 transitions. [2023-11-11 23:57:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2023-11-11 23:57:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:56,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:56,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:56,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:57:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 159 states and 306 transitions. [2023-11-11 23:57:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2023-11-11 23:57:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:56,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:56,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 162 states and 311 transitions. [2023-11-11 23:57:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2023-11-11 23:57:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:58,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:58,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:58,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 163 states and 313 transitions. [2023-11-11 23:57:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 313 transitions. [2023-11-11 23:57:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:58,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:58,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:58,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:58,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:57:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 164 states and 316 transitions. [2023-11-11 23:57:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 316 transitions. [2023-11-11 23:57:59,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:57:59,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:57:59,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:57:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 166 states and 317 transitions. [2023-11-11 23:57:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 317 transitions. [2023-11-11 23:57:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:57:59,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:59,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:59,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:57:59,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 170 states and 333 transitions. [2023-11-11 23:58:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 333 transitions. [2023-11-11 23:58:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:58:00,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:00,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:00,503 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-11 23:58:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 172 states and 334 transitions. [2023-11-11 23:58:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 334 transitions. [2023-11-11 23:58:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:00,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:58:00,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 174 states and 346 transitions. [2023-11-11 23:58:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 346 transitions. [2023-11-11 23:58:01,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:01,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:01,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:01,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:58:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 178 states and 360 transitions. [2023-11-11 23:58:02,125 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 360 transitions. [2023-11-11 23:58:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:02,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:02,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:02,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:58:02,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 187 states and 383 transitions. [2023-11-11 23:58:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 383 transitions. [2023-11-11 23:58:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:05,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:05,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:05,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:58:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 189 states and 388 transitions. [2023-11-11 23:58:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 388 transitions. [2023-11-11 23:58:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:58:05,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:05,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:58:05,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 193 states and 399 transitions. [2023-11-11 23:58:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 399 transitions. [2023-11-11 23:58:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:58:07,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:07,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:07,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:58:07,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 196 states and 401 transitions. [2023-11-11 23:58:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 401 transitions. [2023-11-11 23:58:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:58:08,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:08,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:08,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:08,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:58:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 197 states and 404 transitions. [2023-11-11 23:58:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 404 transitions. [2023-11-11 23:58:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:58:09,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:09,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:58:09,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:58:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 202 states and 409 transitions. [2023-11-11 23:58:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 409 transitions. [2023-11-11 23:58:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:58:11,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:11,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:58:11,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:58:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 209 states and 420 transitions. [2023-11-11 23:58:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 420 transitions. [2023-11-11 23:58:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:58:12,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:12,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:12,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:58:12,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:58:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 210 states and 420 transitions. [2023-11-11 23:58:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2023-11-11 23:58:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:12,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:13,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:58:13,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-11 23:58:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 212 states and 424 transitions. [2023-11-11 23:58:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 424 transitions. [2023-11-11 23:58:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:13,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:13,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:13,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:58:13,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 215 states and 429 transitions. [2023-11-11 23:58:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 429 transitions. [2023-11-11 23:58:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:15,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:15,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:15,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:15,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:58:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 220 states and 434 transitions. [2023-11-11 23:58:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 434 transitions. [2023-11-11 23:58:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:16,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:16,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:58:16,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 224 states and 452 transitions. [2023-11-11 23:58:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 452 transitions. [2023-11-11 23:58:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:58:17,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:17,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:17,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:17,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-11 23:58:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 226 states and 453 transitions. [2023-11-11 23:58:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 453 transitions. [2023-11-11 23:58:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:58:17,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:17,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:17,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:58:17,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 227 states and 453 transitions. [2023-11-11 23:58:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 453 transitions. [2023-11-11 23:58:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:58:18,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:18,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:18,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:58:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 229 states and 454 transitions. [2023-11-11 23:58:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 454 transitions. [2023-11-11 23:58:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:58:18,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:18,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:18,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:58:18,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 231 states and 467 transitions. [2023-11-11 23:58:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 467 transitions. [2023-11-11 23:58:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:58:19,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:19,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:19,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:58:19,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:58:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 233 states and 484 transitions. [2023-11-11 23:58:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 484 transitions. [2023-11-11 23:58:19,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:58:19,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:19,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:58:19,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:58:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 236 states and 491 transitions. [2023-11-11 23:58:20,594 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 491 transitions. [2023-11-11 23:58:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:58:20,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:58:20,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:58:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 242 states and 498 transitions. [2023-11-11 23:58:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 498 transitions. [2023-11-11 23:58:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:21,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:21,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:21,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:58:21,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:58:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 245 states and 500 transitions. [2023-11-11 23:58:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 500 transitions. [2023-11-11 23:58:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:22,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:22,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:58:22,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:58:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 248 states and 502 transitions. [2023-11-11 23:58:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 502 transitions. [2023-11-11 23:58:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:22,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:22,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:22,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:58:22,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-11 23:58:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 250 states and 504 transitions. [2023-11-11 23:58:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 504 transitions. [2023-11-11 23:58:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:58:23,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:23,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:58:23,375 INFO L285 TraceCheckSpWp]: Computing forward predicates...