./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7e74a0e03b60f29f7d157510f3d5b3a3ebad4fa8c21c80c2e088ad68134a4dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:30:47,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:30:47,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-12-03 03:30:47,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:30:47,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:30:48,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:30:48,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:30:48,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:30:48,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:30:48,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:30:48,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:30:48,014 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:30:48,015 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:30:48,015 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 03:30:48,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:30:48,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:30:48,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:30:48,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:30:48,018 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:30:48,018 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:30:48,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:30:48,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:48,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:30:48,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:30:48,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:30:48,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:30:48,022 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_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e74a0e03b60f29f7d157510f3d5b3a3ebad4fa8c21c80c2e088ad68134a4dc [2023-12-03 03:30:48,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:30:48,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:30:48,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:30:48,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:30:48,279 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:30:48,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2023-12-03 03:30:51,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:30:51,225 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:30:51,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2023-12-03 03:30:51,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/data/cf8985448/4581bd1b89db4b57b22ebba8b2e5e3e4/FLAG21fa5b9f6 [2023-12-03 03:30:51,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/data/cf8985448/4581bd1b89db4b57b22ebba8b2e5e3e4 [2023-12-03 03:30:51,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:30:51,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:30:51,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:51,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:30:51,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:30:51,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe61dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51, skipping insertion in model container [2023-12-03 03:30:51,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:30:51,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:51,555 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:30:51,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:30:51,622 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:30:51,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51 WrapperNode [2023-12-03 03:30:51,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:30:51,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:51,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:30:51,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:30:51,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,661 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-12-03 03:30:51,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:30:51,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:30:51,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:30:51,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:30:51,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:30:51,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:30:51,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:30:51,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:30:51,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:30:51" (1/1) ... [2023-12-03 03:30:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:30:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:30:51,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:30:51,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e99e67fc-b36d-448f-8714-48643f5c47db/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:30:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:30:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:30:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:30:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:30:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:30:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:30:51,840 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:30:51,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:30:52,003 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:30:52,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:30:52,058 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:30:52,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:30:52 BoogieIcfgContainer [2023-12-03 03:30:52,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:30:52,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:30:52,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:30:52,070 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:30:52,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:30:52" (1/1) ... [2023-12-03 03:30:52,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:30:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-12-03 03:30:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-03 03:30:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:30:52,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:52,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-12-03 03:30:52,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-12-03 03:30:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:30:52,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:52,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-12-03 03:30:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-03 03:30:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:30:52,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:52,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-12-03 03:30:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-12-03 03:30:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:30:53,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:53,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-12-03 03:30:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-12-03 03:30:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:30:53,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:53,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-12-03 03:30:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-12-03 03:30:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:30:54,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:54,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-12-03 03:30:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-12-03 03:30:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:30:54,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-03 03:30:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 03:30:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:30:56,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:56,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-03 03:30:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-03 03:30:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:30:57,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-12-03 03:30:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-03 03:30:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:30:57,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:57,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:30:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-03 03:30:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-03 03:30:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:30:58,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:58,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:30:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-12-03 03:31:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-12-03 03:31:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:01,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-12-03 03:31:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-03 03:31:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:01,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:01,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-12-03 03:31:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-12-03 03:31:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:04,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:04,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:31:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-12-03 03:31:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-03 03:31:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:05,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:05,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-12-03 03:31:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-12-03 03:31:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:31:07,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:07,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 59 transitions. [2023-12-03 03:31:13,093 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2023-12-03 03:31:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:31:13,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:13,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:18,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2023-12-03 03:31:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-12-03 03:31:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:31:18,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:18,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:20,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2023-12-03 03:31:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-12-03 03:31:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:31:20,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:20,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2023-12-03 03:31:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2023-12-03 03:31:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:31:29,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:29,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-12-03 03:31:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-12-03 03:31:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:31:32,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2023-12-03 03:31:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2023-12-03 03:31:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:31:43,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:31:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2023-12-03 03:31:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2023-12-03 03:31:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:31:51,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:32:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2023-12-03 03:32:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2023-12-03 03:32:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:32:00,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:00,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:32:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:32:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 132 transitions. [2023-12-03 03:32:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2023-12-03 03:32:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:32:12,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:12,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:32:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:32:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 135 transitions. [2023-12-03 03:32:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 135 transitions. [2023-12-03 03:32:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:32:27,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:32:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:32:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:32:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 80 states and 152 transitions. [2023-12-03 03:32:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2023-12-03 03:32:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:32:49,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:32:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:32:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:32:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:33:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 84 states and 159 transitions. [2023-12-03 03:33:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2023-12-03 03:33:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:33:10,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:33:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 184 transitions. [2023-12-03 03:33:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 184 transitions. [2023-12-03 03:33:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:33:30,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2023-12-03 03:34:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2023-12-03 03:34:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:34:01,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 100 states and 205 transitions. [2023-12-03 03:34:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 205 transitions. [2023-12-03 03:34:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:34:18,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 102 states and 206 transitions. [2023-12-03 03:34:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2023-12-03 03:34:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:34:29,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 106 states and 216 transitions. [2023-12-03 03:34:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 216 transitions. [2023-12-03 03:34:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:34:49,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 114 states and 239 transitions. [2023-12-03 03:35:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 239 transitions. [2023-12-03 03:35:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:35:22,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 116 states and 242 transitions. [2023-12-03 03:35:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 242 transitions. [2023-12-03 03:35:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:35:53,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:53,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 118 states and 246 transitions. [2023-12-03 03:36:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 246 transitions. [2023-12-03 03:36:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:36:35,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 124 states and 259 transitions. [2023-12-03 03:37:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 259 transitions. [2023-12-03 03:37:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:37:23,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 128 states and 270 transitions. [2023-12-03 03:37:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 270 transitions. [2023-12-03 03:37:56,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:37:56,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:38:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 130 states and 273 transitions. [2023-12-03 03:38:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 273 transitions. [2023-12-03 03:38:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:38:50,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:39:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 138 states and 288 transitions. [2023-12-03 03:39:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 288 transitions. [2023-12-03 03:39:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:39:48,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:48,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:39:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:39:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 139 states and 290 transitions. [2023-12-03 03:39:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 290 transitions. [2023-12-03 03:39:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:39:57,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:39:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 143 states and 297 transitions. [2023-12-03 03:41:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 297 transitions. [2023-12-03 03:41:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:41:11,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 145 states and 303 transitions. [2023-12-03 03:42:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 303 transitions. [2023-12-03 03:42:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:42:01,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:42:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 149 states and 313 transitions. [2023-12-03 03:43:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 313 transitions. [2023-12-03 03:43:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:43:07,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:07,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:39,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 151 states and 316 transitions. [2023-12-03 03:44:39,793 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 316 transitions. [2023-12-03 03:44:39,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:44:39,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat