./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_original.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/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_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_original.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:21,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:21,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:21,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:21,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:21,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:21,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:21,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:21,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:21,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:21,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:21,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:21,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:21,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:21,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:21,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:21,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:21,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:21,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:21,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:21,873 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:21,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:21,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:21,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:21,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:21,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:21,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:21,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:21,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:21,877 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:21,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:21,878 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:21,878 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_26867294-e25d-4dee-a554-534e94eaacfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628be9b0d43b46482b2f1f32ff1648acbb8b41e569549b972a02e76fffda9076 [2023-11-23 20:07:22,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:22,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:22,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:22,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:22,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:22,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-15/array16_alloca_original.i [2023-11-23 20:07:25,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:25,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:25,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/sv-benchmarks/c/termination-15/array16_alloca_original.i [2023-11-23 20:07:25,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/data/2db8b80de/424a6572b00345179c60dd40d3331bd0/FLAGb8e377713 [2023-11-23 20:07:25,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/data/2db8b80de/424a6572b00345179c60dd40d3331bd0 [2023-11-23 20:07:25,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:25,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:25,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:25,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:25,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:25,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:25" (1/1) ... [2023-11-23 20:07:25,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da6bae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:25, skipping insertion in model container [2023-11-23 20:07:25,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:25" (1/1) ... [2023-11-23 20:07:25,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:26,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:26,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:26,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:26,239 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:26,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26 WrapperNode [2023-11-23 20:07:26,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:26,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:26,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:26,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:26,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,306 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-11-23 20:07:26,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:26,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:26,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:26,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:26,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:26,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:26,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:26,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:26,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:26,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:26,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26867294-e25d-4dee-a554-534e94eaacfe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:07:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:07:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:26,548 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:26,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:26,744 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:26,851 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:26,851 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:07:26,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:26 BoogieIcfgContainer [2023-11-23 20:07:26,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:26,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:26,855 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:26,867 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:26,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:26" (1/1) ... [2023-11-23 20:07:26,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-23 20:07:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-23 20:07:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:07:26,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,363 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 20:07:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-23 20:07:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-23 20:07:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:07:27,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,570 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 20:07:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-23 20:07:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-23 20:07:27,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:27,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,744 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 20:07:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-23 20:07:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-23 20:07:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:27,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,875 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 20:07:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-23 20:07:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-23 20:07:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:27,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,958 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 20:07:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-23 20:07:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-23 20:07:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:27,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,050 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 20:07:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-23 20:07:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-23 20:07:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:28,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,303 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 20:07:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2023-11-23 20:07:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-23 20:07:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:07:28,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2023-11-23 20:07:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2023-11-23 20:07:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:07:28,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:07:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:29,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-23 20:07:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-23 20:07:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:07:29,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:07:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-23 20:07:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-23 20:07:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:07:29,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:29,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-23 20:07:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-23 20:07:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:29,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:29,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-23 20:07:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-23 20:07:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:30,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:30,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:07:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-23 20:07:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-23 20:07:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:30,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2023-11-23 20:07:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-23 20:07:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:30,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:30,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:07:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2023-11-23 20:07:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-11-23 20:07:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:30,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-23 20:07:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-23 20:07:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:07:31,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:31,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-11-23 20:07:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-11-23 20:07:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:07:32,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:32,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:07:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2023-11-23 20:07:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2023-11-23 20:07:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:07:33,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:07:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:33,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2023-11-23 20:07:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2023-11-23 20:07:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:07:33,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:33,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2023-11-23 20:07:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2023-11-23 20:07:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:07:34,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2023-11-23 20:07:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2023-11-23 20:07:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:07:36,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2023-11-23 20:07:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2023-11-23 20:07:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:07:37,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:37,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:07:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 69 states and 121 transitions. [2023-11-23 20:07:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 121 transitions. [2023-11-23 20:07:38,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:07:38,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:07:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2023-11-23 20:07:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2023-11-23 20:07:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:07:38,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 129 transitions. [2023-11-23 20:07:39,562 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2023-11-23 20:07:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:07:39,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:39,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:07:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2023-11-23 20:07:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2023-11-23 20:07:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:07:40,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:07:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2023-11-23 20:07:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2023-11-23 20:07:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:07:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:42,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 145 transitions. [2023-11-23 20:07:42,040 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 145 transitions. [2023-11-23 20:07:42,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:42,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:42,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:07:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2023-11-23 20:07:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2023-11-23 20:07:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:45,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:45,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 98 states and 178 transitions. [2023-11-23 20:07:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 178 transitions. [2023-11-23 20:07:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:46,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:07:48,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 102 states and 185 transitions. [2023-11-23 20:07:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 185 transitions. [2023-11-23 20:07:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:48,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:48,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 20:07:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 104 states and 187 transitions. [2023-11-23 20:07:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 187 transitions. [2023-11-23 20:07:48,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:48,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:48,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 107 states and 195 transitions. [2023-11-23 20:07:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 195 transitions. [2023-11-23 20:07:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:07:50,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 110 states and 203 transitions. [2023-11-23 20:07:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 203 transitions. [2023-11-23 20:07:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:07:51,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:51,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:07:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 126 states and 236 transitions. [2023-11-23 20:07:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 236 transitions. [2023-11-23 20:07:58,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:07:58,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:58,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 20:08:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:01,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 238 transitions. [2023-11-23 20:08:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2023-11-23 20:08:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:08:01,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 131 states and 247 transitions. [2023-11-23 20:08:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 247 transitions. [2023-11-23 20:08:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:08:03,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:03,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:08:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 135 states and 254 transitions. [2023-11-23 20:08:05,475 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 254 transitions. [2023-11-23 20:08:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:08:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-23 20:08:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-11-23 20:08:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-11-23 20:08:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:08:06,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 140 states and 265 transitions. [2023-11-23 20:08:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 265 transitions. [2023-11-23 20:08:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:08:07,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 64 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.