./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9 --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 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:33:36,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:33:36,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 04:33:36,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:33:36,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:33:36,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:33:36,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:33:36,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:33:36,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:33:36,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:33:36,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:33:36,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:33:36,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:33:36,679 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 04:33:36,680 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 04:33:36,680 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 04:33:36,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:33:36,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:33:36,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:33:36,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:33:36,682 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:33:36,683 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:33:36,683 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:33:36,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:33:36,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:36,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:33:36,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:33:36,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:33:36,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:33:36,686 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_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 [2023-12-03 04:33:36,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:33:36,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:33:36,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:33:36,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:33:36,947 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:33:36,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-12-03 04:33:39,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:33:39,893 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:33:39,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-12-03 04:33:39,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/data/116314a35/0e273b474ffe45cd9bc235d8bbadcfcd/FLAG77bbc9fb3 [2023-12-03 04:33:39,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/data/116314a35/0e273b474ffe45cd9bc235d8bbadcfcd [2023-12-03 04:33:39,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:33:39,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:33:39,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:39,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:33:39,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:33:39,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:39" (1/1) ... [2023-12-03 04:33:39,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15499916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:39, skipping insertion in model container [2023-12-03 04:33:39,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:39" (1/1) ... [2023-12-03 04:33:39,974 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:33:40,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:40,271 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:33:40,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:40,340 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:33:40,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40 WrapperNode [2023-12-03 04:33:40,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:40,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:40,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:33:40,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:33:40,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,381 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-12-03 04:33:40,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:40,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:33:40,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:33:40,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:33:40,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:33:40,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:33:40,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:33:40,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:33:40,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:40,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:33:40,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:33:40,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30211cd8-98e6-4a8a-8dcb-2cd94162ee96/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:33:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:33:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:33:40,583 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:33:40,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:33:40,747 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:33:40,810 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:33:40,811 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 04:33:40,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:40 BoogieIcfgContainer [2023-12-03 04:33:40,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:33:40,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:33:40,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:33:40,822 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:33:40,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:40" (1/1) ... [2023-12-03 04:33:40,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:33:40,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-12-03 04:33:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-12-03 04:33:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:40,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-12-03 04:33:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-03 04:33:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:41,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-12-03 04:33:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-12-03 04:33:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:41,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-12-03 04:33:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-12-03 04:33:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:41,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:42,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-12-03 04:33:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-12-03 04:33:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:33:42,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:42,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-03 04:33:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-03 04:33:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:33:43,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:43,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-12-03 04:33:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-12-03 04:33:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:33:45,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-12-03 04:33:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-12-03 04:33:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:33:45,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:45,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-12-03 04:33:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-12-03 04:33:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:33:46,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2023-12-03 04:33:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2023-12-03 04:33:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:33:47,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2023-12-03 04:33:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2023-12-03 04:33:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:33:49,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:49,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2023-12-03 04:33:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-12-03 04:33:52,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:33:52,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:52,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2023-12-03 04:33:55,805 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2023-12-03 04:33:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:33:55,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:55,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-12-03 04:33:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-03 04:33:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:33:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:33:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2023-12-03 04:33:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-12-03 04:33:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:33:59,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-03 04:34:00,531 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-03 04:34:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:34:00,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:00,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:02,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2023-12-03 04:34:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2023-12-03 04:34:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:34:02,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:02,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2023-12-03 04:34:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-12-03 04:34:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:34:03,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:03,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2023-12-03 04:34:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-12-03 04:34:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:34:08,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:08,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-12-03 04:34:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-12-03 04:34:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:34:09,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:34:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2023-12-03 04:34:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2023-12-03 04:34:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:34:10,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:10,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:34:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2023-12-03 04:34:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-12-03 04:34:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:34:11,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:11,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:14,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-12-03 04:34:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-12-03 04:34:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:34:14,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:14,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2023-12-03 04:34:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-12-03 04:34:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:34:23,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:23,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 59 states and 91 transitions. [2023-12-03 04:34:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-12-03 04:34:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:34:31,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:31,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:34:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2023-12-03 04:34:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2023-12-03 04:34:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:34:40,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:34:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 125 transitions. [2023-12-03 04:34:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2023-12-03 04:34:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:34:49,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:35:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 81 states and 148 transitions. [2023-12-03 04:35:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 148 transitions. [2023-12-03 04:35:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:35:04,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:35:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 84 states and 154 transitions. [2023-12-03 04:35:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 154 transitions. [2023-12-03 04:35:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:35:07,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:35:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 84 states and 153 transitions. [2023-12-03 04:35:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 153 transitions. [2023-12-03 04:35:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:35:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:08,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:35:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:31,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 182 transitions. [2023-12-03 04:35:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2023-12-03 04:35:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:35:31,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:35:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2023-12-03 04:35:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2023-12-03 04:35:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:35:33,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:35:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 92 states and 180 transitions. [2023-12-03 04:35:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2023-12-03 04:35:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:35:35,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:35:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 92 states and 179 transitions. [2023-12-03 04:35:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 179 transitions. [2023-12-03 04:35:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:35:39,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2023-12-03 04:36:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2023-12-03 04:36:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:36:01,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:01,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:36:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 102 states and 206 transitions. [2023-12-03 04:36:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2023-12-03 04:36:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:36:11,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 105 states and 214 transitions. [2023-12-03 04:36:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 214 transitions. [2023-12-03 04:36:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:36:36,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 111 states and 233 transitions. [2023-12-03 04:36:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 233 transitions. [2023-12-03 04:36:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:36:57,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:37:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 111 states and 232 transitions. [2023-12-03 04:37:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 232 transitions. [2023-12-03 04:37:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:37:03,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:03,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:37:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 109 states and 225 transitions. [2023-12-03 04:37:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 225 transitions. [2023-12-03 04:37:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:37:14,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:37:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 111 states and 227 transitions. [2023-12-03 04:37:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 227 transitions. [2023-12-03 04:37:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:37:18,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:18,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:37:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 112 states and 227 transitions. [2023-12-03 04:37:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 227 transitions. [2023-12-03 04:37:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:37:20,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:20,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:37:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 115 states and 233 transitions. [2023-12-03 04:37:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 233 transitions. [2023-12-03 04:37:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:37:28,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:37:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 116 states and 234 transitions. [2023-12-03 04:37:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 234 transitions. [2023-12-03 04:37:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:37:30,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:37:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:38,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 118 states and 244 transitions. [2023-12-03 04:37:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 244 transitions. [2023-12-03 04:37:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:37:38,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:38,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:45,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 126 states and 265 transitions. [2023-12-03 04:38:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 265 transitions. [2023-12-03 04:38:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:38:14,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:14,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:39:00,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 137 states and 297 transitions. [2023-12-03 04:39:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 297 transitions. [2023-12-03 04:39:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:39:00,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:00,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:39:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 140 states and 306 transitions. [2023-12-03 04:39:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 306 transitions. [2023-12-03 04:39:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:39:21,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:21,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:39:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 147 states and 331 transitions. [2023-12-03 04:40:04,020 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 331 transitions. [2023-12-03 04:40:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:40:04,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:40:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 153 states and 345 transitions. [2023-12-03 04:40:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 345 transitions. [2023-12-03 04:40:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:40:37,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:37,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:40:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:41:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 157 states and 361 transitions. [2023-12-03 04:41:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 361 transitions. [2023-12-03 04:41:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:41:08,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:41:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 160 states and 375 transitions. [2023-12-03 04:41:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 375 transitions. [2023-12-03 04:41:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:41:31,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:31,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 170 states and 405 transitions. [2023-12-03 04:42:21,676 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 405 transitions. [2023-12-03 04:42:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:42:21,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:21,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:42:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 171 states and 411 transitions. [2023-12-03 04:42:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 411 transitions. [2023-12-03 04:42:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:42:25,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:25,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 172 states and 413 transitions. [2023-12-03 04:42:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 413 transitions. [2023-12-03 04:42:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:42:29,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 182 states and 446 transitions. [2023-12-03 04:43:22,073 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 446 transitions. [2023-12-03 04:43:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:43:22,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:22,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 183 states and 448 transitions. [2023-12-03 04:43:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 448 transitions. [2023-12-03 04:43:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:43:26,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 184 states and 458 transitions. [2023-12-03 04:43:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 458 transitions. [2023-12-03 04:43:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:43:36,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:43:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 185 states and 466 transitions. [2023-12-03 04:43:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 466 transitions. [2023-12-03 04:43:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:43:50,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:50,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 181 states and 457 transitions. [2023-12-03 04:44:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 457 transitions. [2023-12-03 04:44:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:44:09,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:09,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 192 states and 493 transitions. [2023-12-03 04:45:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 493 transitions. [2023-12-03 04:45:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:45:14,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 04:46:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 196 states and 503 transitions. [2023-12-03 04:46:00,408 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 503 transitions. [2023-12-03 04:46:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:46:00,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 197 states and 505 transitions. [2023-12-03 04:46:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 505 transitions. [2023-12-03 04:46:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:46:05,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 204 states and 537 transitions. [2023-12-03 04:47:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 537 transitions. [2023-12-03 04:47:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:47:04,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:04,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 205 states and 539 transitions. [2023-12-03 04:47:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 539 transitions. [2023-12-03 04:47:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:47:09,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:09,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.