./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/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_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/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 32bit --witnessprinter.graph.data.programhash 882715956aab9fc92fb711e54ed51d64e792658e5015ed6151f84b857454f04c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:31,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:31,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:01:31,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:31,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:31,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:31,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:31,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:31,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:31,831 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:31,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:31,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:31,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:31,834 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:31,835 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:31,835 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:31,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:31,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:31,837 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:31,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:31,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:31,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:31,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:31,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:31,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:31,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:31,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:31,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:31,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:31,842 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_c0eeabd8-5a11-4edc-980a-967c138ffe80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 882715956aab9fc92fb711e54ed51d64e792658e5015ed6151f84b857454f04c [2023-11-24 23:01:32,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:32,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:32,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:32,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:32,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:32,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety-ext/tree_stack.i [2023-11-24 23:01:35,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:35,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:35,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/sv-benchmarks/c/memsafety-ext/tree_stack.i [2023-11-24 23:01:35,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/data/8034e4833/bf10946eeeff48a89f844d8e4a1aac13/FLAG322f3a233 [2023-11-24 23:01:35,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/data/8034e4833/bf10946eeeff48a89f844d8e4a1aac13 [2023-11-24 23:01:35,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:35,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:35,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:35,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:35,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:35,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:35" (1/1) ... [2023-11-24 23:01:35,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbedd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:35, skipping insertion in model container [2023-11-24 23:01:35,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:35" (1/1) ... [2023-11-24 23:01:35,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:36,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:36,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:36,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:36,330 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:36,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36 WrapperNode [2023-11-24 23:01:36,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:36,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:36,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:36,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:36,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,416 INFO L138 Inliner]: procedures = 123, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 145 [2023-11-24 23:01:36,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:36,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:36,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:36,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:36,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:36,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:36,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:36,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:36,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:36,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:36,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:36,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eeabd8-5a11-4edc-980a-967c138ffe80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:36,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:36,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:36,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:36,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:36,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:36,776 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:37,420 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:37,525 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:37,527 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:01:37,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:37 BoogieIcfgContainer [2023-11-24 23:01:37,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:37,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:37,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:37,541 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:37,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:37" (1/1) ... [2023-11-24 23:01:37,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 117 states and 127 transitions. [2023-11-24 23:01:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2023-11-24 23:01:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:37,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:37,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:37,854 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 23:01:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 116 states and 126 transitions. [2023-11-24 23:01:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2023-11-24 23:01:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:37,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,083 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 23:01:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2023-11-24 23:01:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2023-11-24 23:01:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:38,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,254 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 23:01:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 114 states and 124 transitions. [2023-11-24 23:01:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2023-11-24 23:01:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:01:38,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,369 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 23:01:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 113 states and 123 transitions. [2023-11-24 23:01:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2023-11-24 23:01:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:38,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,613 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 23:01:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2023-11-24 23:01:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2023-11-24 23:01:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:38,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,753 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 23:01:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 116 states and 129 transitions. [2023-11-24 23:01:38,818 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2023-11-24 23:01:38,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:01:38,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:38,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:38,978 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 23:01:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 119 states and 137 transitions. [2023-11-24 23:01:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2023-11-24 23:01:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:39,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,230 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 23:01:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 118 states and 136 transitions. [2023-11-24 23:01:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2023-11-24 23:01:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:01:39,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,398 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 23:01:39,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 117 states and 135 transitions. [2023-11-24 23:01:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2023-11-24 23:01:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:39,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,612 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 23:01:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 116 states and 134 transitions. [2023-11-24 23:01:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2023-11-24 23:01:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:39,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:39,763 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 23:01:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 115 states and 133 transitions. [2023-11-24 23:01:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2023-11-24 23:01:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:01:40,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,366 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 23:01:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 119 states and 142 transitions. [2023-11-24 23:01:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2023-11-24 23:01:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:41,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,162 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 23:01:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 118 states and 141 transitions. [2023-11-24 23:01:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2023-11-24 23:01:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:01:41,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,497 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 23:01:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 121 states and 147 transitions. [2023-11-24 23:01:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2023-11-24 23:01:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:42,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,102 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 23:01:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 123 states and 151 transitions. [2023-11-24 23:01:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 151 transitions. [2023-11-24 23:01:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:42,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,290 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 23:01:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 125 states and 155 transitions. [2023-11-24 23:01:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2023-11-24 23:01:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:42,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:42,711 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 23:01:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 126 states and 156 transitions. [2023-11-24 23:01:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 156 transitions. [2023-11-24 23:01:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:01:43,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,379 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 23:01:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 127 states and 157 transitions. [2023-11-24 23:01:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 157 transitions. [2023-11-24 23:01:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:43,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:43,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:43,801 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 23:01:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 128 states and 159 transitions. [2023-11-24 23:01:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 159 transitions. [2023-11-24 23:01:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:44,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:44,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:44,361 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 23:01:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2023-11-24 23:01:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2023-11-24 23:01:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:45,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,310 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 23:01:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 130 states and 163 transitions. [2023-11-24 23:01:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 163 transitions. [2023-11-24 23:01:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:45,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:45,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:45,560 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 23:01:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 135 states and 169 transitions. [2023-11-24 23:01:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2023-11-24 23:01:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:46,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,159 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 23:01:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 136 states and 171 transitions. [2023-11-24 23:01:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 171 transitions. [2023-11-24 23:01:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:01:46,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,240 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 23:01:46,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2023-11-24 23:01:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2023-11-24 23:01:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,364 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 23:01:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 138 states and 174 transitions. [2023-11-24 23:01:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2023-11-24 23:01:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,469 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 23:01:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2023-11-24 23:01:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2023-11-24 23:01:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:01:46,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,534 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 23:01:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 138 states and 175 transitions. [2023-11-24 23:01:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2023-11-24 23:01:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:46,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:46,835 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 23:01:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 183 transitions. [2023-11-24 23:01:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions. [2023-11-24 23:01:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:48,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:48,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:48,745 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 23:01:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 145 states and 187 transitions. [2023-11-24 23:01:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2023-11-24 23:01:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:49,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:49,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:50,238 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 23:01:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 147 states and 191 transitions. [2023-11-24 23:01:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2023-11-24 23:01:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:51,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:51,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:51,890 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 23:01:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 146 states and 190 transitions. [2023-11-24 23:01:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2023-11-24 23:01:51,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:01:51,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:52,155 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 23:01:54,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 156 states and 213 transitions. [2023-11-24 23:01:54,358 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2023-11-24 23:01:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:54,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:54,393 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 23:01:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 212 transitions. [2023-11-24 23:01:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2023-11-24 23:01:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:55,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:01:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 156 states and 214 transitions. [2023-11-24 23:01:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 214 transitions. [2023-11-24 23:01:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:55,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:55,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:56,056 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 23:01:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 158 states and 217 transitions. [2023-11-24 23:01:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 217 transitions. [2023-11-24 23:01:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:56,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:56,590 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 23:01:56,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 159 states and 220 transitions. [2023-11-24 23:01:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 220 transitions. [2023-11-24 23:01:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:01:56,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:56,668 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 23:01:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 159 states and 219 transitions. [2023-11-24 23:01:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2023-11-24 23:01:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:01:56,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:56,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:58,015 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 23:02:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 169 states and 235 transitions. [2023-11-24 23:02:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 235 transitions. [2023-11-24 23:02:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:03,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,666 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 23:02:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 179 states and 249 transitions. [2023-11-24 23:02:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 249 transitions. [2023-11-24 23:02:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:11,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:11,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:12,015 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 23:02:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 181 states and 253 transitions. [2023-11-24 23:02:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2023-11-24 23:02:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:14,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:14,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:15,974 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 23:02:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 183 states and 260 transitions. [2023-11-24 23:02:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 260 transitions. [2023-11-24 23:02:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:18,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:18,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:18,990 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 23:02:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 185 states and 264 transitions. [2023-11-24 23:02:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2023-11-24 23:02:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:20,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:20,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:21,717 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 23:02:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 187 states and 268 transitions. [2023-11-24 23:02:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 268 transitions. [2023-11-24 23:02:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:24,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.