./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV --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 828f2d43c6fb78b536699442877ab1c5eeed38c7b04fa279d6e864f4ea28e6e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:16,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:16,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-11 23:42:16,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:16,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:16,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:16,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:16,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:16,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:16,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:16,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:16,907 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:42:16,908 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:42:16,910 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:42:16,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:16,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:42:16,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:16,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:16,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:16,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:16,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:16,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:16,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:16,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:16,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:16,917 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_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 828f2d43c6fb78b536699442877ab1c5eeed38c7b04fa279d6e864f4ea28e6e4 [2023-11-11 23:42:17,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:17,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:17,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:17,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:17,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:17,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-15/cstrlen_malloc.i [2023-11-11 23:42:20,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:20,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:20,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/sv-benchmarks/c/termination-15/cstrlen_malloc.i [2023-11-11 23:42:20,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/data/5aa89d550/6bfa593aae3248f28b231e3c1fc1d40b/FLAG50ce64bdc [2023-11-11 23:42:20,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/data/5aa89d550/6bfa593aae3248f28b231e3c1fc1d40b [2023-11-11 23:42:20,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:20,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:20,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:20,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:20,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:20,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:20" (1/1) ... [2023-11-11 23:42:20,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ce333a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:20, skipping insertion in model container [2023-11-11 23:42:20,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:20" (1/1) ... [2023-11-11 23:42:20,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:21,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:21,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:21,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:21,295 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:21,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21 WrapperNode [2023-11-11 23:42:21,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:21,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:21,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:21,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:21,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,347 INFO L138 Inliner]: procedures = 152, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-11 23:42:21,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:21,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:21,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:21,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:21,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:21,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:21,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:21,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:21,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:21,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:21,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f84734b0-a864-4635-9964-62b7ba1668de/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:42:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:21,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:21,560 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:21,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:21,731 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:21,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:21,810 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:42:21,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:21 BoogieIcfgContainer [2023-11-11 23:42:21,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:21,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:21,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:21,828 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:21,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:21" (1/1) ... [2023-11-11 23:42:21,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-11 23:42:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-11 23:42:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:42:21,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-11 23:42:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-11 23:42:22,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-11 23:42:22,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-11 23:42:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-11 23:42:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:42:22,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:22,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-11 23:42:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-11 23:42:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:42:22,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:22,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-11 23:42:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-11 23:42:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:42:23,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:23,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-11 23:42:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-11 23:42:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:42:23,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-11 23:42:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-11 23:42:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:42:24,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-11 23:42:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-11 23:42:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:42:25,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:25,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-11 23:42:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-11 23:42:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:42:26,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2023-11-11 23:42:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2023-11-11 23:42:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:42:31,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:31,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2023-11-11 23:42:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2023-11-11 23:42:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:42:32,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 44 states and 80 transitions. [2023-11-11 23:42:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2023-11-11 23:42:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:42:36,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:36,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 101 transitions. [2023-11-11 23:42:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2023-11-11 23:42:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:42:41,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 103 transitions. [2023-11-11 23:42:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 103 transitions. [2023-11-11 23:42:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:42:42,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:42:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 106 transitions. [2023-11-11 23:42:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 106 transitions. [2023-11-11 23:42:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:42:43,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2023-11-11 23:42:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-11-11 23:42:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:42:44,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2023-11-11 23:42:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2023-11-11 23:42:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:42:51,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:42:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 120 transitions. [2023-11-11 23:42:53,201 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 120 transitions. [2023-11-11 23:42:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:42:53,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 121 transitions. [2023-11-11 23:42:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 121 transitions. [2023-11-11 23:42:54,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:42:54,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:42:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2023-11-11 23:42:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2023-11-11 23:42:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:42:55,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:55,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:42:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 126 transitions. [2023-11-11 23:42:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 126 transitions. [2023-11-11 23:42:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:42:56,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 65 states and 133 transitions. [2023-11-11 23:43:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 133 transitions. [2023-11-11 23:43:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:43:00,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:00,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:43:02,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 67 states and 136 transitions. [2023-11-11 23:43:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 136 transitions. [2023-11-11 23:43:02,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:43:02,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 69 states and 138 transitions. [2023-11-11 23:43:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 138 transitions. [2023-11-11 23:43:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:43:04,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:04,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:43:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 140 transitions. [2023-11-11 23:43:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 140 transitions. [2023-11-11 23:43:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:43:05,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:43:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2023-11-11 23:43:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2023-11-11 23:43:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:43:07,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:43:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2023-11-11 23:43:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2023-11-11 23:43:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:43:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:43:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2023-11-11 23:43:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2023-11-11 23:43:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:43:10,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat