./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/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_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/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_5441eae9-57e9-41da-bdee-de92ce696d4f/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 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:53,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:53,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:53,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:53,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:54,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:54,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:54,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:54,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:54,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:54,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:54,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:54,015 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:54,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:54,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:54,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:54,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:54,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:54,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:54,018 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:54,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:54,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:54,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:54,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:54,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:54,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:54,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:54,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:54,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:54,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:54,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:54,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:54,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:54,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:54,026 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_5441eae9-57e9-41da-bdee-de92ce696d4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a2fba2a92db51b6a97ddc82d5dc9e2df7a8770315ef841bfaf5f0764404946 [2023-11-11 23:52:54,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:54,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:54,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:54,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:54,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:54,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2023-11-11 23:52:57,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:57,845 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:57,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/sv-benchmarks/c/ldv-memsafety/memleaks_test17_3.i [2023-11-11 23:52:57,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/data/ccc7c52d5/313d5c5f4c0e4b178f92c7f74afe81b6/FLAGa32e617c1 [2023-11-11 23:52:57,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/data/ccc7c52d5/313d5c5f4c0e4b178f92c7f74afe81b6 [2023-11-11 23:52:57,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:57,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:57,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:57,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:57,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:57,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:57" (1/1) ... [2023-11-11 23:52:57,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ed9c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:57, skipping insertion in model container [2023-11-11 23:52:57,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:57" (1/1) ... [2023-11-11 23:52:57,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:58,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:58,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:58,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:58,633 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:58,640 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:58,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58 WrapperNode [2023-11-11 23:52:58,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:58,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:58,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:58,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:58,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,718 INFO L138 Inliner]: procedures = 165, calls = 76, calls flagged for inlining = 22, calls inlined = 4, statements flattened = 71 [2023-11-11 23:52:58,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:58,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:58,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:58,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:58,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:58,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:58,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:58,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:58,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:58" (1/1) ... [2023-11-11 23:52:58,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:58,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:58,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:58,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5441eae9-57e9-41da-bdee-de92ce696d4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-11 23:52:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-11 23:52:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:52:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:52:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:52:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:58,985 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:58,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:59,175 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:59,228 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:59,228 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:52:59,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:59 BoogieIcfgContainer [2023-11-11 23:52:59,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:59,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:59,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:59,247 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:59,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:59" (1/1) ... [2023-11-11 23:52:59,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-11 23:52:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-11 23:52:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:52:59,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:59,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2023-11-11 23:52:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-11 23:52:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:52:59,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-11 23:53:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-11 23:53:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:00,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:00,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-11 23:53:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-11 23:53:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:00,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:00,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-11 23:53:00,552 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-11 23:53:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:00,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:00,709 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 23:53:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 51 transitions. [2023-11-11 23:53:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-11 23:53:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:00,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 42 transitions. [2023-11-11 23:53:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-11 23:53:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:53:01,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 46 transitions. [2023-11-11 23:53:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-11 23:53:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:53:01,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,496 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 23:53:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 55 transitions. [2023-11-11 23:53:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-11 23:53:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:53:01,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,672 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 23:53:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 56 transitions. [2023-11-11 23:53:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-11 23:53:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:53:01,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,784 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 23:53:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 57 transitions. [2023-11-11 23:53:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-11 23:53:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:53:01,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,873 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 23:53:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 58 transitions. [2023-11-11 23:53:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-11 23:53:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:53:01,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:01,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:02,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 62 transitions. [2023-11-11 23:53:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-11 23:53:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:53:02,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:02,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:02,444 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 23:53:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 64 transitions. [2023-11-11 23:53:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-11 23:53:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:53:02,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 68 transitions. [2023-11-11 23:53:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-11 23:53:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:53:03,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 54 states and 67 transitions. [2023-11-11 23:53:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-11 23:53:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:53:03,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:04,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 71 transitions. [2023-11-11 23:53:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-11 23:53:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:53:04,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 70 transitions. [2023-11-11 23:53:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-11 23:53:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:53:04,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 74 transitions. [2023-11-11 23:53:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-11 23:53:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:53:05,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 73 transitions. [2023-11-11 23:53:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2023-11-11 23:53:06,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:53:06,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:06,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 77 transitions. [2023-11-11 23:53:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-11 23:53:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:07,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 76 transitions. [2023-11-11 23:53:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2023-11-11 23:53:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:53:08,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 80 transitions. [2023-11-11 23:53:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2023-11-11 23:53:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:53:09,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:09,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 79 transitions. [2023-11-11 23:53:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2023-11-11 23:53:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:53:10,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:10,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 83 transitions. [2023-11-11 23:53:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2023-11-11 23:53:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:53:11,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:11,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 82 transitions. [2023-11-11 23:53:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2023-11-11 23:53:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:53:12,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 137 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 66 states and 78 transitions. [2023-11-11 23:53:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2023-11-11 23:53:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:53:23,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 66 states and 77 transitions. [2023-11-11 23:53:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2023-11-11 23:53:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:53:25,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 76 transitions. [2023-11-11 23:53:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2023-11-11 23:53:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:53:26,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:26,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-11 23:53:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 66 states and 75 transitions. [2023-11-11 23:53:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2023-11-11 23:53:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-11 23:53:28,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:28,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-11 23:53:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 84 transitions. [2023-11-11 23:53:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2023-11-11 23:53:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-11 23:53:30,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-11 23:53:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 72 states and 85 transitions. [2023-11-11 23:53:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2023-11-11 23:53:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-11 23:53:30,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:30,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-11 23:53:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 78 states and 94 transitions. [2023-11-11 23:53:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-11-11 23:53:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-11 23:53:31,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:31,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-11 23:53:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 80 states and 96 transitions. [2023-11-11 23:53:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2023-11-11 23:53:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-11 23:53:32,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-11 23:53:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 79 states and 95 transitions. [2023-11-11 23:53:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2023-11-11 23:53:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:53:32,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:32,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-11 23:53:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 82 states and 98 transitions. [2023-11-11 23:53:34,046 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-11 23:53:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:53:34,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-11 23:53:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 74 states and 85 transitions. [2023-11-11 23:53:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2023-11-11 23:53:34,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:53:34,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:34,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-11 23:53:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 80 states and 94 transitions. [2023-11-11 23:53:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-11 23:53:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:53:36,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:36,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-11 23:53:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 97 transitions. [2023-11-11 23:53:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2023-11-11 23:53:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:53:37,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-11 23:53:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 87 states and 102 transitions. [2023-11-11 23:53:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-11 23:53:39,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:53:39,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:39,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-11 23:53:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 93 states and 111 transitions. [2023-11-11 23:53:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2023-11-11 23:53:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-11 23:53:40,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-11 23:53:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:42,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 98 states and 116 transitions. [2023-11-11 23:53:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2023-11-11 23:53:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:53:42,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:42,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-11-11 23:53:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 125 transitions. [2023-11-11 23:53:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2023-11-11 23:53:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-11 23:53:44,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat