./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:16,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:16,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:16,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:16,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:16,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:16,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:16,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:16,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:16,522 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:16,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:16,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:16,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:16,524 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:16,525 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:16,526 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:16,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:16,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:16,528 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:16,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:16,529 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:16,532 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:16,533 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:16,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:16,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:16,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:16,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:16,536 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:16,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:16,537 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_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 [2023-11-24 23:01:16,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:16,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:16,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:16,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:16,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:16,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2023-11-24 23:01:20,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:20,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:20,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2023-11-24 23:01:20,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/data/823c7a5a4/3e86b0e9c35b43f98749ae6f6b47acae/FLAGd0e17f02d [2023-11-24 23:01:20,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/data/823c7a5a4/3e86b0e9c35b43f98749ae6f6b47acae [2023-11-24 23:01:20,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:20,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:20,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:20,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:20,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:20,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:20" (1/1) ... [2023-11-24 23:01:20,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526d67da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:20, skipping insertion in model container [2023-11-24 23:01:20,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:20" (1/1) ... [2023-11-24 23:01:20,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:20,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:20,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:20,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:21,021 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:21,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21 WrapperNode [2023-11-24 23:01:21,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:21,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:21,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:21,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:21,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,088 INFO L138 Inliner]: procedures = 116, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 139 [2023-11-24 23:01:21,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:21,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:21,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:21,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:21,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:21,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:21,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:21,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:21,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:21,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:21,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ad0ccc-c7ef-4f98-8933-63d16a7cabc1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:21,382 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:21,399 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:21,847 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:21,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:21,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:01:21,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:21 BoogieIcfgContainer [2023-11-24 23:01:21,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:21,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:21,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:21,931 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:21,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:21" (1/1) ... [2023-11-24 23:01:21,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2023-11-24 23:01:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2023-11-24 23:01:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:22,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 128 states and 135 transitions. [2023-11-24 23:01:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2023-11-24 23:01:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:22,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 127 states and 134 transitions. [2023-11-24 23:01:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2023-11-24 23:01:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:22,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 126 states and 133 transitions. [2023-11-24 23:01:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2023-11-24 23:01:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:01:22,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 125 states and 132 transitions. [2023-11-24 23:01:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2023-11-24 23:01:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:23,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2023-11-24 23:01:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2023-11-24 23:01:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:23,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-24 23:01:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-24 23:01:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:23,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 141 transitions. [2023-11-24 23:01:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2023-11-24 23:01:23,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:23,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2023-11-24 23:01:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2023-11-24 23:01:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:23,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 128 states and 139 transitions. [2023-11-24 23:01:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2023-11-24 23:01:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:24,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 132 states and 149 transitions. [2023-11-24 23:01:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2023-11-24 23:01:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:24,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 136 states and 164 transitions. [2023-11-24 23:01:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2023-11-24 23:01:25,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:25,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:25,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 140 states and 171 transitions. [2023-11-24 23:01:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 171 transitions. [2023-11-24 23:01:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:26,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:26,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 144 states and 179 transitions. [2023-11-24 23:01:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions. [2023-11-24 23:01:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:27,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:27,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 180 transitions. [2023-11-24 23:01:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 180 transitions. [2023-11-24 23:01:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:28,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2023-11-24 23:01:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2023-11-24 23:01:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:28,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:28,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 181 transitions. [2023-11-24 23:01:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2023-11-24 23:01:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:29,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 147 states and 182 transitions. [2023-11-24 23:01:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 182 transitions. [2023-11-24 23:01:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:29,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 148 states and 186 transitions. [2023-11-24 23:01:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2023-11-24 23:01:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:29,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 152 states and 207 transitions. [2023-11-24 23:01:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 207 transitions. [2023-11-24 23:01:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:31,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:33,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 159 states and 225 transitions. [2023-11-24 23:01:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 225 transitions. [2023-11-24 23:01:33,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:33,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:33,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 163 states and 234 transitions. [2023-11-24 23:01:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 234 transitions. [2023-11-24 23:01:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:35,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 166 states and 242 transitions. [2023-11-24 23:01:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 242 transitions. [2023-11-24 23:01:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:36,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:01:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 169 states and 248 transitions. [2023-11-24 23:01:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2023-11-24 23:01:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:37,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:01:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 169 states and 247 transitions. [2023-11-24 23:01:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 247 transitions. [2023-11-24 23:01:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:38,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 169 states and 246 transitions. [2023-11-24 23:01:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 246 transitions. [2023-11-24 23:01:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:38,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:01:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 168 states and 245 transitions. [2023-11-24 23:01:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 245 transitions. [2023-11-24 23:01:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:01:38,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 169 states and 247 transitions. [2023-11-24 23:01:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 247 transitions. [2023-11-24 23:01:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:39,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:01:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 246 transitions. [2023-11-24 23:01:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 246 transitions. [2023-11-24 23:01:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:01:39,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 169 states and 247 transitions. [2023-11-24 23:01:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 247 transitions. [2023-11-24 23:01:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:01:40,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2023-11-24 23:01:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2023-11-24 23:01:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:01:41,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 120 states and 129 transitions. [2023-11-24 23:01:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2023-11-24 23:01:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:42,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 140 transitions. [2023-11-24 23:01:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2023-11-24 23:01:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:49,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:01:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 136 states and 152 transitions. [2023-11-24 23:01:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2023-11-24 23:01:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:55,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:03,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 144 states and 164 transitions. [2023-11-24 23:02:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2023-11-24 23:02:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:03,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 135 states and 148 transitions. [2023-11-24 23:02:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 148 transitions. [2023-11-24 23:02:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:05,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:02:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-24 23:02:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-24 23:02:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:02:07,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:07,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.