./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC --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 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:33,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:33,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-23 20:09:33,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:33,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:33,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:33,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:33,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:33,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:33,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:33,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:33,539 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 20:09:33,539 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 20:09:33,541 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 20:09:33,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:33,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:33,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:33,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:33,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:33,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:33,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:33,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:33,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:33,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:33,547 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:33,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:33,548 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_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2023-11-23 20:09:33,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:33,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:33,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:33,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:33,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:33,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-23 20:09:36,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:37,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:37,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2023-11-23 20:09:37,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/data/a7d541b63/4b1410e8ca4a4318a342374f64f8cb02/FLAG06ef1c3a4 [2023-11-23 20:09:37,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/data/a7d541b63/4b1410e8ca4a4318a342374f64f8cb02 [2023-11-23 20:09:37,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:37,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:37,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:37,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:37,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:37,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3927b292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37, skipping insertion in model container [2023-11-23 20:09:37,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:37,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:37,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:37,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:37,488 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:37,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37 WrapperNode [2023-11-23 20:09:37,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:37,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:37,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:37,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:37,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,519 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2023-11-23 20:09:37,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:37,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:37,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:37,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:37,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:37,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:37,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:37,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:37,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:37" (1/1) ... [2023-11-23 20:09:37,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:37,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:37,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fc616d5-9f7f-4cec-b462-22e2d7d2dc08/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:09:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:09:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2023-11-23 20:09:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2023-11-23 20:09:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:09:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:37,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:37,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:37,955 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:38,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:38,003 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:09:38,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:38 BoogieIcfgContainer [2023-11-23 20:09:38,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:38,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:38,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:38,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:38,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:38" (1/1) ... [2023-11-23 20:09:38,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:38,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-11-23 20:09:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-23 20:09:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:09:38,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-11-23 20:09:38,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-11-23 20:09:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:38,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:38,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-11-23 20:09:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-23 20:09:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:38,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:38,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-23 20:09:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-23 20:09:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:39,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 45 states and 56 transitions. [2023-11-23 20:09:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-23 20:09:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:40,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:40,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2023-11-23 20:09:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-23 20:09:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:09:41,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-11-23 20:09:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-11-23 20:09:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:09:42,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:42,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 52 transitions. [2023-11-23 20:09:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-23 20:09:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:09:43,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:43,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 57 transitions. [2023-11-23 20:09:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2023-11-23 20:09:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:09:44,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 56 transitions. [2023-11-23 20:09:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2023-11-23 20:09:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:09:44,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 55 transitions. [2023-11-23 20:09:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-11-23 20:09:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:09:44,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 54 transitions. [2023-11-23 20:09:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-11-23 20:09:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:09:44,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 58 transitions. [2023-11-23 20:09:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-23 20:09:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:09:46,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 64 transitions. [2023-11-23 20:09:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-23 20:09:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:48,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:48,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 63 transitions. [2023-11-23 20:09:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-11-23 20:09:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:48,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 69 transitions. [2023-11-23 20:09:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-11-23 20:09:49,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:49,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:49,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:49,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 68 transitions. [2023-11-23 20:09:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-23 20:09:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:49,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 67 transitions. [2023-11-23 20:09:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-23 20:09:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:50,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:09:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 60 transitions. [2023-11-23 20:09:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:09:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:50,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:50,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 69 transitions. [2023-11-23 20:09:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-23 20:09:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:09:53,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:09:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 65 transitions. [2023-11-23 20:09:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-23 20:09:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:09:54,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:09:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 58 transitions. [2023-11-23 20:09:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-23 20:09:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:09:54,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 78 transitions. [2023-11-23 20:10:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-23 20:10:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:10:00,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 93 transitions. [2023-11-23 20:10:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-11-23 20:10:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:11,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:11,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 98 transitions. [2023-11-23 20:10:14,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-23 20:10:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:14,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 99 transitions. [2023-11-23 20:10:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-23 20:10:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:10:16,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 75 states and 105 transitions. [2023-11-23 20:10:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-23 20:10:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:10:18,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 104 transitions. [2023-11-23 20:10:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-11-23 20:10:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:10:18,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:18,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:10:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 75 states and 105 transitions. [2023-11-23 20:10:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-23 20:10:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:19,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 109 transitions. [2023-11-23 20:10:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-23 20:10:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:20,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 108 transitions. [2023-11-23 20:10:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2023-11-23 20:10:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:20,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 111 transitions. [2023-11-23 20:10:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2023-11-23 20:10:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:25,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.