./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/substring-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/substring-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL --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 79a0aa7f506a25068fe5f831c3bf60ccd6ee82a9d4cedb42c580c3cecf620506 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:40:10,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:40:10,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:40:10,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:40:10,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:40:10,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:40:10,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:40:10,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:40:10,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:40:10,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:40:10,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:40:10,355 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:40:10,356 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:40:10,358 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:40:10,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:40:10,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:40:10,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:40:10,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:40:10,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:40:10,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:40:10,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:40:10,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:10,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:40:10,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:40:10,364 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:40:10,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:40:10,365 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_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79a0aa7f506a25068fe5f831c3bf60ccd6ee82a9d4cedb42c580c3cecf620506 [2023-11-19 02:40:10,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:40:10,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:40:10,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:40:10,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:40:10,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:40:10,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-memory-alloca/substring-alloca-1.i [2023-11-19 02:40:13,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:40:14,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:40:14,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/sv-benchmarks/c/termination-memory-alloca/substring-alloca-1.i [2023-11-19 02:40:14,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/data/9607bb539/07848553947b460d89863a38c02345c6/FLAGb617543fd [2023-11-19 02:40:14,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/data/9607bb539/07848553947b460d89863a38c02345c6 [2023-11-19 02:40:14,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:40:14,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:40:14,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:14,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:40:14,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:40:14,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29abeafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14, skipping insertion in model container [2023-11-19 02:40:14,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:40:14,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:14,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:40:14,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:40:14,641 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:40:14,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14 WrapperNode [2023-11-19 02:40:14,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:40:14,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:14,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:40:14,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:40:14,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,706 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-19 02:40:14,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:40:14,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:40:14,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:40:14,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:40:14,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:40:14,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:40:14,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:40:14,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:40:14,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:14" (1/1) ... [2023-11-19 02:40:14,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:40:14,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:40:14,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:40:14,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61296e39-754c-4cde-b1d3-cfe8b79af7ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:40:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:40:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:40:14,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:40:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:40:14,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:40:14,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:40:14,954 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:40:14,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:40:15,227 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:40:15,284 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:40:15,284 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:40:15,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:15 BoogieIcfgContainer [2023-11-19 02:40:15,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:40:15,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:40:15,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:40:15,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:40:15,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:15" (1/1) ... [2023-11-19 02:40:15,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:40:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-19 02:40:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-19 02:40:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:40:15,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-19 02:40:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-19 02:40:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:40:15,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-19 02:40:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-19 02:40:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:40:16,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:16,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 02:40:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 02:40:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:40:16,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 02:40:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 02:40:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:40:17,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:17,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 02:40:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 02:40:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:40:17,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:17,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-19 02:40:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-19 02:40:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:40:18,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2023-11-19 02:40:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2023-11-19 02:40:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:40:18,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:18,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-19 02:40:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 02:40:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:40:20,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:20,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2023-11-19 02:40:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 02:40:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:40:21,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:21,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2023-11-19 02:40:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2023-11-19 02:40:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:40:22,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2023-11-19 02:40:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-19 02:40:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:22,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-19 02:40:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-19 02:40:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:22,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:22,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2023-11-19 02:40:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-19 02:40:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:22,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2023-11-19 02:40:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2023-11-19 02:40:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:23,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:23,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 02:40:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 02:40:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:40:24,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:25,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:25,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2023-11-19 02:40:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-19 02:40:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:40:25,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:25,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 58 states and 88 transitions. [2023-11-19 02:40:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2023-11-19 02:40:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:40:27,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:27,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2023-11-19 02:40:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2023-11-19 02:40:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:40:27,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-19 02:40:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-19 02:40:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:40:27,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:27,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2023-11-19 02:40:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2023-11-19 02:40:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:40:32,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 72 states and 114 transitions. [2023-11-19 02:40:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2023-11-19 02:40:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:40:34,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 79 states and 131 transitions. [2023-11-19 02:40:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 131 transitions. [2023-11-19 02:40:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:40:38,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:40:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 130 transitions. [2023-11-19 02:40:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2023-11-19 02:40:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:40:38,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:38,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 87 states and 156 transitions. [2023-11-19 02:40:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2023-11-19 02:40:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:40:48,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:40:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 86 states and 154 transitions. [2023-11-19 02:40:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 154 transitions. [2023-11-19 02:40:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:48,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:40:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:49,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 88 states and 157 transitions. [2023-11-19 02:40:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 157 transitions. [2023-11-19 02:40:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:49,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:40:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 89 states and 158 transitions. [2023-11-19 02:40:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 158 transitions. [2023-11-19 02:40:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:49,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 92 states and 163 transitions. [2023-11-19 02:40:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 163 transitions. [2023-11-19 02:40:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:50,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:40:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:40:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 100 states and 183 transitions. [2023-11-19 02:40:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 183 transitions. [2023-11-19 02:40:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:40:59,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:40:59,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:40:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:40:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 102 states and 186 transitions. [2023-11-19 02:41:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 186 transitions. [2023-11-19 02:41:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:41:01,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.