./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.17-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_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:37,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:37,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:54:37,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:37,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:37,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:37,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:37,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:37,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:37,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:37,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:37,699 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:54:37,700 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:54:37,701 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:54:37,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:37,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:37,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:37,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:37,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:37,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:37,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:37,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:37,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:37,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:37,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:37,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:37,708 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_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cff60adb183fef3af5f3af7541e684acb33c49f5e09dc255d0e19d271c8517 [2023-11-24 22:54:38,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:38,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:38,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:38,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:38,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:38,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2023-11-24 22:54:41,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:41,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:41,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/sv-benchmarks/c/termination-memory-alloca/b.17-alloca.i [2023-11-24 22:54:41,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/data/9251881d9/011d3241248a4787b1b7bf9be03bb39d/FLAG69a80a203 [2023-11-24 22:54:41,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/data/9251881d9/011d3241248a4787b1b7bf9be03bb39d [2023-11-24 22:54:41,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:41,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:41,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:41,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:41,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:41,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:41" (1/1) ... [2023-11-24 22:54:41,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198fdbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:41, skipping insertion in model container [2023-11-24 22:54:41,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:41" (1/1) ... [2023-11-24 22:54:41,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:41,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:41,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:41,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:42,032 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:42,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42 WrapperNode [2023-11-24 22:54:42,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:42,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:42,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:42,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:42,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,095 INFO L138 Inliner]: procedures = 111, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-11-24 22:54:42,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:42,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:42,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:42,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:42,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:42,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:42,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:42,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:42,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:42,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:42,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7527747-29a4-4d9c-be94-ca182ddf8c9e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:54:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:42,397 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:42,398 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:42,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:42,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:42,690 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:54:42,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:42 BoogieIcfgContainer [2023-11-24 22:54:42,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:42,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:42,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:42,704 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:42,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:42" (1/1) ... [2023-11-24 22:54:42,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2023-11-24 22:54:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2023-11-24 22:54:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:54:42,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-24 22:54:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-24 22:54:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:54:43,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2023-11-24 22:54:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2023-11-24 22:54:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:43,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-24 22:54:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-24 22:54:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:43,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2023-11-24 22:54:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-24 22:54:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:44,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2023-11-24 22:54:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-11-24 22:54:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:44,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2023-11-24 22:54:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2023-11-24 22:54:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:45,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2023-11-24 22:54:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2023-11-24 22:54:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:54:46,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:46,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2023-11-24 22:54:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-24 22:54:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:47,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:47,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2023-11-24 22:54:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2023-11-24 22:54:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:48,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2023-11-24 22:54:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-24 22:54:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:48,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:48,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2023-11-24 22:54:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-24 22:54:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:49,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:49,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2023-11-24 22:54:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-11-24 22:54:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:50,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-24 22:54:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-24 22:54:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:50,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-11-24 22:54:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-11-24 22:54:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:50,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2023-11-24 22:54:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-24 22:54:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:51,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2023-11-24 22:54:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-24 22:54:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:52,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2023-11-24 22:54:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-11-24 22:54:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:55,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-24 22:54:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-24 22:54:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:55,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2023-11-24 22:54:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2023-11-24 22:54:56,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:56,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2023-11-24 22:54:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2023-11-24 22:54:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:57,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 77 states and 137 transitions. [2023-11-24 22:54:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2023-11-24 22:54:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:57,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 79 states and 143 transitions. [2023-11-24 22:54:58,256 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2023-11-24 22:54:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:58,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 150 transitions. [2023-11-24 22:54:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 150 transitions. [2023-11-24 22:54:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:58,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 81 states and 149 transitions. [2023-11-24 22:54:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2023-11-24 22:54:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:58,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 82 states and 149 transitions. [2023-11-24 22:54:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 149 transitions. [2023-11-24 22:54:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:58,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 81 states and 148 transitions. [2023-11-24 22:54:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 148 transitions. [2023-11-24 22:54:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:58,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 148 transitions. [2023-11-24 22:54:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 148 transitions. [2023-11-24 22:54:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:58,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 85 states and 154 transitions. [2023-11-24 22:54:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2023-11-24 22:54:59,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:59,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2023-11-24 22:54:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2023-11-24 22:54:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:59,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 89 states and 161 transitions. [2023-11-24 22:54:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 161 transitions. [2023-11-24 22:54:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:59,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2023-11-24 22:55:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2023-11-24 22:55:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:00,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 96 states and 174 transitions. [2023-11-24 22:55:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 174 transitions. [2023-11-24 22:55:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:00,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 182 transitions. [2023-11-24 22:55:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2023-11-24 22:55:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:01,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:55:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 103 states and 183 transitions. [2023-11-24 22:55:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 183 transitions. [2023-11-24 22:55:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:01,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:55:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 105 states and 184 transitions. [2023-11-24 22:55:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 184 transitions. [2023-11-24 22:55:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:01,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 107 states and 187 transitions. [2023-11-24 22:55:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2023-11-24 22:55:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:02,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 188 transitions. [2023-11-24 22:55:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 188 transitions. [2023-11-24 22:55:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:02,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:02,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 114 states and 194 transitions. [2023-11-24 22:55:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2023-11-24 22:55:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:02,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-24 22:55:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-24 22:55:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:02,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2023-11-24 22:55:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2023-11-24 22:55:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:02,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 126 states and 209 transitions. [2023-11-24 22:55:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 209 transitions. [2023-11-24 22:55:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:55:06,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 140 states and 235 transitions. [2023-11-24 22:55:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2023-11-24 22:55:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:55:18,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:55:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 142 states and 237 transitions. [2023-11-24 22:55:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 237 transitions. [2023-11-24 22:55:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:55:22,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:55:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-24 22:55:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-24 22:55:30,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:30,502 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2023-11-24 22:55:30,512 INFO L751 CodeCheckObserver]: All specifications hold 27 specifications checked. All of them hold