./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-broom/sll-shared-after.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/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_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-broom/sll-shared-after.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/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 64bit --witnessprinter.graph.data.programhash 5faf2b9991f99879bc04c4df6a221302164ff0866019f72f7b8508bf5bf7cdcb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:17:18,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:17:18,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-02 21:17:18,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:17:18,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:17:18,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:17:18,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:17:18,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:17:18,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:17:18,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:17:18,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:17:18,483 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:17:18,484 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:17:18,484 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:17:18,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:17:18,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:17:18,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:17:18,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:17:18,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:17:18,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:17:18,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:17:18,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:18,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:17:18,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:17:18,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:17:18,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:17:18,490 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_3acb2410-e912-4f99-bf44-f1adafb35531/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5faf2b9991f99879bc04c4df6a221302164ff0866019f72f7b8508bf5bf7cdcb [2023-12-02 21:17:18,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:17:18,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:17:18,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:17:18,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:17:18,734 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:17:18,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/memsafety-broom/sll-shared-after.i [2023-12-02 21:17:21,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:17:21,666 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:17:21,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/sv-benchmarks/c/memsafety-broom/sll-shared-after.i [2023-12-02 21:17:21,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/data/3aec5e750/e02003786a75489c95343b1dccffa4e3/FLAG10aaab44d [2023-12-02 21:17:21,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/data/3aec5e750/e02003786a75489c95343b1dccffa4e3 [2023-12-02 21:17:21,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:17:21,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:17:21,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:21,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:17:21,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:17:21,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:21" (1/1) ... [2023-12-02 21:17:21,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f039023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:21, skipping insertion in model container [2023-12-02 21:17:21,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:17:21" (1/1) ... [2023-12-02 21:17:21,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:17:22,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:22,047 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:17:22,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:17:22,117 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:17:22,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22 WrapperNode [2023-12-02 21:17:22,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:17:22,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:22,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:17:22,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:17:22,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,161 INFO L138 Inliner]: procedures = 121, calls = 18, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2023-12-02 21:17:22,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:17:22,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:17:22,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:17:22,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:17:22,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:17:22,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:17:22,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:17:22,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:17:22,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:17:22,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:17:22,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:17:22,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3acb2410-e912-4f99-bf44-f1adafb35531/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:17:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:17:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:17:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:17:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:17:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:17:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:17:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:17:22,359 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:17:22,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:17:22,569 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:17:22,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:17:22,618 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 21:17:22,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:22 BoogieIcfgContainer [2023-12-02 21:17:22,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:17:22,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:17:22,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:17:22,628 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:17:22,628 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:22" (1/1) ... [2023-12-02 21:17:22,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:17:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2023-12-02 21:17:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2023-12-02 21:17:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:17:22,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-12-02 21:17:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-12-02 21:17:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 21:17:22,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2023-12-02 21:17:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2023-12-02 21:17:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:17:23,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2023-12-02 21:17:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2023-12-02 21:17:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:17:23,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2023-12-02 21:17:23,170 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2023-12-02 21:17:23,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:17:23,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2023-12-02 21:17:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2023-12-02 21:17:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:17:23,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2023-12-02 21:17:23,431 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2023-12-02 21:17:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:17:23,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2023-12-02 21:17:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2023-12-02 21:17:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:17:23,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-12-02 21:17:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-12-02 21:17:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:17:23,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-12-02 21:17:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-12-02 21:17:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:17:24,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:24,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2023-12-02 21:17:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-12-02 21:17:24,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:17:24,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:24,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-12-02 21:17:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-12-02 21:17:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:17:24,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2023-12-02 21:17:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2023-12-02 21:17:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:17:25,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2023-12-02 21:17:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2023-12-02 21:17:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:17:26,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2023-12-02 21:17:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-12-02 21:17:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:17:26,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2023-12-02 21:17:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2023-12-02 21:17:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:17:27,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:27,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2023-12-02 21:17:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2023-12-02 21:17:29,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:17:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2023-12-02 21:17:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2023-12-02 21:17:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:17:32,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:32,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-12-02 21:17:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-12-02 21:17:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:17:32,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2023-12-02 21:17:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-12-02 21:17:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:17:35,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2023-12-02 21:17:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-12-02 21:17:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:36,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-12-02 21:17:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-12-02 21:17:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:38,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:39,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 118 transitions. [2023-12-02 21:17:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2023-12-02 21:17:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:42,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2023-12-02 21:17:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2023-12-02 21:17:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:42,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:42,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:17:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2023-12-02 21:17:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2023-12-02 21:17:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:44,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:44,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2023-12-02 21:17:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2023-12-02 21:17:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:45,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2023-12-02 21:17:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2023-12-02 21:17:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:45,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:45,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-12-02 21:17:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-12-02 21:17:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:17:46,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:17:47,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2023-12-02 21:17:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2023-12-02 21:17:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:17:47,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:47,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:17:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 84 states and 144 transitions. [2023-12-02 21:17:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 144 transitions. [2023-12-02 21:17:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:17:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:17:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 85 states and 146 transitions. [2023-12-02 21:17:49,651 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 146 transitions. [2023-12-02 21:17:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:17:49,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:17:50,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2023-12-02 21:17:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2023-12-02 21:17:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:17:50,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:50,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:17:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 97 states and 171 transitions. [2023-12-02 21:17:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 171 transitions. [2023-12-02 21:17:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:17:58,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:18:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 194 transitions. [2023-12-02 21:18:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 194 transitions. [2023-12-02 21:18:06,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:18:06,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:18:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 110 states and 196 transitions. [2023-12-02 21:18:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 196 transitions. [2023-12-02 21:18:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:18:06,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:18:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 198 transitions. [2023-12-02 21:18:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 198 transitions. [2023-12-02 21:18:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:18:07,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:07,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 208 transitions. [2023-12-02 21:18:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 208 transitions. [2023-12-02 21:18:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:18:12,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 119 states and 233 transitions. [2023-12-02 21:18:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 233 transitions. [2023-12-02 21:18:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:18:14,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:18:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 118 states and 232 transitions. [2023-12-02 21:18:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 232 transitions. [2023-12-02 21:18:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:18:16,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 252 transitions. [2023-12-02 21:18:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 252 transitions. [2023-12-02 21:18:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:18:28,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:37,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 135 states and 268 transitions. [2023-12-02 21:18:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 268 transitions. [2023-12-02 21:18:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:18:37,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 139 states and 274 transitions. [2023-12-02 21:18:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 274 transitions. [2023-12-02 21:18:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:18:42,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 146 states and 288 transitions. [2023-12-02 21:18:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 288 transitions. [2023-12-02 21:18:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:18:48,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:18:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 157 states and 318 transitions. [2023-12-02 21:18:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 318 transitions. [2023-12-02 21:18:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:18:56,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:18:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 164 states and 335 transitions. [2023-12-02 21:19:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 335 transitions. [2023-12-02 21:19:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:07,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:07,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 165 states and 338 transitions. [2023-12-02 21:19:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 338 transitions. [2023-12-02 21:19:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:08,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:08,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 167 states and 343 transitions. [2023-12-02 21:19:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 343 transitions. [2023-12-02 21:19:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:10,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:15,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 172 states and 351 transitions. [2023-12-02 21:19:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 351 transitions. [2023-12-02 21:19:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:15,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:15,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 173 states and 354 transitions. [2023-12-02 21:19:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 354 transitions. [2023-12-02 21:19:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:17,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:17,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 174 states and 355 transitions. [2023-12-02 21:19:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 355 transitions. [2023-12-02 21:19:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:18,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:18,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 175 states and 358 transitions. [2023-12-02 21:19:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 358 transitions. [2023-12-02 21:19:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:19,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:19,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 176 states and 359 transitions. [2023-12-02 21:19:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 359 transitions. [2023-12-02 21:19:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:20,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:20,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:19:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 179 states and 374 transitions. [2023-12-02 21:19:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 374 transitions. [2023-12-02 21:19:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:19:23,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 185 states and 397 transitions. [2023-12-02 21:19:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 397 transitions. [2023-12-02 21:19:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:19:35,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:55,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 197 states and 417 transitions. [2023-12-02 21:19:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 417 transitions. [2023-12-02 21:19:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:19:55,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 209 states and 441 transitions. [2023-12-02 21:20:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 441 transitions. [2023-12-02 21:20:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:20:06,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 210 states and 444 transitions. [2023-12-02 21:20:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 444 transitions. [2023-12-02 21:20:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:20:08,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:08,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:20:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 202 states and 429 transitions. [2023-12-02 21:20:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 429 transitions. [2023-12-02 21:20:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:20:13,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:20:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 205 states and 438 transitions. [2023-12-02 21:20:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 438 transitions. [2023-12-02 21:20:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:20:17,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:20:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 218 states and 462 transitions. [2023-12-02 21:20:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 462 transitions. [2023-12-02 21:20:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:20:31,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:31,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:56,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 228 states and 486 transitions. [2023-12-02 21:20:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 486 transitions. [2023-12-02 21:20:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:20:56,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:56,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:21:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 233 states and 503 transitions. [2023-12-02 21:21:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 503 transitions. [2023-12-02 21:21:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:21:04,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:21:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 240 states and 520 transitions. [2023-12-02 21:21:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 520 transitions. [2023-12-02 21:21:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:21:14,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:14,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:21:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 229 states and 499 transitions. [2023-12-02 21:21:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 499 transitions. [2023-12-02 21:21:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:21:20,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:20,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:21:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 236 states and 514 transitions. [2023-12-02 21:21:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 514 transitions. [2023-12-02 21:21:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:21:46,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 254 states and 546 transitions. [2023-12-02 21:22:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 546 transitions. [2023-12-02 21:22:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:19,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:19,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 260 states and 563 transitions. [2023-12-02 21:22:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 563 transitions. [2023-12-02 21:22:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:28,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:28,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 261 states and 566 transitions. [2023-12-02 21:22:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 566 transitions. [2023-12-02 21:22:29,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:29,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:29,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:22:34,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:34,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 264 states and 578 transitions. [2023-12-02 21:22:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 578 transitions. [2023-12-02 21:22:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:34,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:22:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 267 states and 584 transitions. [2023-12-02 21:22:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 584 transitions. [2023-12-02 21:22:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:38,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:38,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:22:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 268 states and 587 transitions. [2023-12-02 21:22:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 587 transitions. [2023-12-02 21:22:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:40,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:40,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:22:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 268 states and 586 transitions. [2023-12-02 21:22:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 586 transitions. [2023-12-02 21:22:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:42,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:42,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:22:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 269 states and 591 transitions. [2023-12-02 21:22:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 591 transitions. [2023-12-02 21:22:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:22:43,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:22:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 270 states and 594 transitions. [2023-12-02 21:22:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 594 transitions. [2023-12-02 21:22:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:22:45,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 275 states and 622 transitions. [2023-12-02 21:23:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 622 transitions. [2023-12-02 21:23:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:23:08,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:08,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:23:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 281 states and 633 transitions. [2023-12-02 21:23:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 633 transitions. [2023-12-02 21:23:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:23:15,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:15,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 290 states and 656 transitions. [2023-12-02 21:23:35,365 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 656 transitions. [2023-12-02 21:23:35,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:23:35,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:35,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 295 states and 669 transitions. [2023-12-02 21:24:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 669 transitions. [2023-12-02 21:24:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:24:00,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 307 states and 721 transitions. [2023-12-02 21:24:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 721 transitions. [2023-12-02 21:24:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:24:41,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:41,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 316 states and 736 transitions. [2023-12-02 21:25:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 736 transitions. [2023-12-02 21:25:09,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:25:09,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:09,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:25:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 326 states and 755 transitions. [2023-12-02 21:25:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 755 transitions. [2023-12-02 21:25:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:25:25,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 333 states and 771 transitions. [2023-12-02 21:26:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 771 transitions. [2023-12-02 21:26:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:26:00,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:00,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 343 states and 812 transitions. [2023-12-02 21:26:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 812 transitions. [2023-12-02 21:26:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:26:48,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 350 states and 837 transitions. [2023-12-02 21:27:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 837 transitions. [2023-12-02 21:27:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:27:24,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:24,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 354 states and 849 transitions. [2023-12-02 21:27:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 849 transitions. [2023-12-02 21:27:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:27:49,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:49,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:28:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 361 states and 867 transitions. [2023-12-02 21:28:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 867 transitions. [2023-12-02 21:28:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:28:33,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:33,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:29:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 368 states and 881 transitions. [2023-12-02 21:29:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 881 transitions. [2023-12-02 21:29:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:29:08,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:29:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 371 states and 890 transitions. [2023-12-02 21:29:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 890 transitions. [2023-12-02 21:29:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:29:18,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:29:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 377 states and 904 transitions. [2023-12-02 21:29:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 904 transitions. [2023-12-02 21:29:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:29:27,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 386 states and 934 transitions. [2023-12-02 21:30:11,337 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 934 transitions. [2023-12-02 21:30:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:30:11,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:11,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:30:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 392 states and 946 transitions. [2023-12-02 21:30:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 946 transitions. [2023-12-02 21:30:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:30:55,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:30:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 395 states and 951 transitions. [2023-12-02 21:30:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 951 transitions. [2023-12-02 21:30:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:30:58,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat