./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/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_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:57,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:58,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:47:58,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:58,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:58,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:58,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:58,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:58,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:58,089 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:58,091 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:58,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:58,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:58,094 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:47:58,095 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:47:58,095 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:47:58,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:58,096 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:58,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:58,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:58,098 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:58,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:58,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:58,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:58,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:58,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:58,103 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:58,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:58,104 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_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2023-11-11 23:47:58,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:58,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:58,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:58,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:58,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:58,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2023-11-11 23:48:01,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:02,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:02,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2023-11-11 23:48:02,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/data/caf9cc43c/dcfcdb1854a7401faf0367ed3bcf1f3c/FLAGd0572665c [2023-11-11 23:48:02,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/data/caf9cc43c/dcfcdb1854a7401faf0367ed3bcf1f3c [2023-11-11 23:48:02,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:02,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:02,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:02,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:02,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:02,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28704857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02, skipping insertion in model container [2023-11-11 23:48:02,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:02,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:02,805 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:02,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:02,873 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:02,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02 WrapperNode [2023-11-11 23:48:02,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:02,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:02,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:02,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:02,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,918 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2023-11-11 23:48:02,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:02,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:02,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:02,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:02,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:02,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:02,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:02,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:02,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:02" (1/1) ... [2023-11-11 23:48:02,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:02,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:03,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7878c85f-ec38-43e5-9cd2-ea01bac8eb81/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:03,148 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:03,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:03,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:03,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:03,479 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:48:03,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:03 BoogieIcfgContainer [2023-11-11 23:48:03,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:03,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:03,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:03,494 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:03,494 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:03" (1/1) ... [2023-11-11 23:48:03,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-11 23:48:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-11 23:48:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:48:03,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:03,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,060 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 23:48:04,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-11 23:48:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-11 23:48:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:48:04,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:04,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:04,509 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 23:48:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:04,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-11 23:48:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-11 23:48:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:48:04,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:04,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:05,028 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 23:48:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2023-11-11 23:48:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-11 23:48:05,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:48:05,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:05,452 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 23:48:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2023-11-11 23:48:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2023-11-11 23:48:05,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:48:05,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:06,292 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 23:48:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2023-11-11 23:48:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2023-11-11 23:48:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:07,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-11 23:48:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-11 23:48:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:07,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:07,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:08,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2023-11-11 23:48:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-11-11 23:48:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:08,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:08,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2023-11-11 23:48:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2023-11-11 23:48:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:10,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:10,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2023-11-11 23:48:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2023-11-11 23:48:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:13,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2023-11-11 23:48:13,635 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2023-11-11 23:48:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:48:13,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:14,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2023-11-11 23:48:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2023-11-11 23:48:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:48:14,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2023-11-11 23:48:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2023-11-11 23:48:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:48:15,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:15,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2023-11-11 23:48:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2023-11-11 23:48:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:16,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2023-11-11 23:48:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2023-11-11 23:48:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:17,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:17,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-11 23:48:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-11 23:48:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:18,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2023-11-11 23:48:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2023-11-11 23:48:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:21,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:22,367 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 23:48:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 103 transitions. [2023-11-11 23:48:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2023-11-11 23:48:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:25,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:25,513 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 23:48:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 103 transitions. [2023-11-11 23:48:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2023-11-11 23:48:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:26,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2023-11-11 23:48:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2023-11-11 23:48:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:28,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:28,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2023-11-11 23:48:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2023-11-11 23:48:28,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:28,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 107 transitions. [2023-11-11 23:48:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 107 transitions. [2023-11-11 23:48:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:32,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,839 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 23:48:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2023-11-11 23:48:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-11-11 23:48:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:33,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:33,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:48:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2023-11-11 23:48:34,414 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2023-11-11 23:48:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:34,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:34,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2023-11-11 23:48:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2023-11-11 23:48:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:48:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:48:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-11 23:48:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-11 23:48:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:37,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-11 23:48:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-11 23:48:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:39,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-11 23:48:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-11 23:48:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:48:42,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:42,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-11 23:48:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-11 23:48:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:45,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:45,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:48:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2023-11-11 23:48:48,036 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-11 23:48:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:48,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.