./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:15,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:15,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:15,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:15,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:15,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:15,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:15,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:15,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:15,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:15,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:15,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:15,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:15,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:15,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:15,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:15,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:15,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:15,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:15,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:15,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:15,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:15,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:15,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:15,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:15,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:15,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:15,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:15,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:15,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:15,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:15,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:15,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:15,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:15,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:15,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:15,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:15,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:15,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:15,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:15,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:15,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:17:15,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:15,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:15,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:17:15,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:17:15,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:15,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:15,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:15,351 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:15,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:15,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:15,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:15,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:17:15,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:15,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:17:15,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:15,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:17:15,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:15,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:17:15,354 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:15,354 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:15,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:15,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:15,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:15,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:15,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:17:15,356 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:15,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:15,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:17:15,357 INFO L138 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_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e [2021-11-23 01:17:15,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:15,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:15,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:15,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:15,701 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:15,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 01:17:15,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/data/8877fc7a3/1fc7cb2862364070b4ece26b94274f0a/FLAG3eabf7b85 [2021-11-23 01:17:16,464 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:16,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2021-11-23 01:17:16,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/data/8877fc7a3/1fc7cb2862364070b4ece26b94274f0a/FLAG3eabf7b85 [2021-11-23 01:17:16,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/data/8877fc7a3/1fc7cb2862364070b4ece26b94274f0a [2021-11-23 01:17:16,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:16,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:16,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:16,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:16,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:16,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:16" (1/1) ... [2021-11-23 01:17:16,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ab99f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:16, skipping insertion in model container [2021-11-23 01:17:16,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:16" (1/1) ... [2021-11-23 01:17:16,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:16,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:17,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 01:17:17,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:17,283 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:17,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i[22778,22791] [2021-11-23 01:17:17,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:17,401 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:17,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17 WrapperNode [2021-11-23 01:17:17,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:17,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:17,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:17,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:17,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,466 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2021-11-23 01:17:17,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:17,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:17,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:17,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:17,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:17,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:17,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:17,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:17,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:17" (1/1) ... [2021-11-23 01:17:17,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:17,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:17,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:17,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f3aeae8-2bf3-49cb-ba34-34968e402e8a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:17:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:17:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:17:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:17:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:17:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:17:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:17,865 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:17,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:18,285 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:18,355 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:18,355 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 01:17:18,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:18 BoogieIcfgContainer [2021-11-23 01:17:18,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:18,359 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:18,359 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:18,376 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:18,376 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:18" (1/1) ... [2021-11-23 01:17:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 01:17:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 01:17:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:17:18,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:17:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:17:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:18,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 01:17:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 01:17:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:19,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:19,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2021-11-23 01:17:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-23 01:17:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:21,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:21,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2021-11-23 01:17:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-11-23 01:17:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:21,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:21,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-11-23 01:17:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-11-23 01:17:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:22,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:22,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2021-11-23 01:17:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2021-11-23 01:17:23,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:23,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:23,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:23,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2021-11-23 01:17:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2021-11-23 01:17:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:23,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:23,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2021-11-23 01:17:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2021-11-23 01:17:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:25,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2021-11-23 01:17:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2021-11-23 01:17:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:26,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2021-11-23 01:17:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2021-11-23 01:17:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:28,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:28,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:31,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2021-11-23 01:17:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2021-11-23 01:17:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:31,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:31,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2021-11-23 01:17:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2021-11-23 01:17:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:32,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:32,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2021-11-23 01:17:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2021-11-23 01:17:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:33,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:33,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2021-11-23 01:17:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2021-11-23 01:17:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:39,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 143 transitions. [2021-11-23 01:17:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2021-11-23 01:17:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:41,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2021-11-23 01:17:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2021-11-23 01:17:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:41,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2021-11-23 01:17:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2021-11-23 01:17:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:44,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 01:17:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 01:17:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:45,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 164 transitions. [2021-11-23 01:17:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2021-11-23 01:17:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:17:51,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 87 states and 167 transitions. [2021-11-23 01:17:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2021-11-23 01:17:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:17:53,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:55,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 89 states and 171 transitions. [2021-11-23 01:17:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2021-11-23 01:17:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:55,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:55,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:04,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2021-11-23 01:18:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2021-11-23 01:18:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:04,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2021-11-23 01:18:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2021-11-23 01:18:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:05,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 109 states and 219 transitions. [2021-11-23 01:18:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 219 transitions. [2021-11-23 01:18:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:18:14,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 110 states and 220 transitions. [2021-11-23 01:18:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 220 transitions. [2021-11-23 01:18:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:14,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:14,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:18:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 113 states and 224 transitions. [2021-11-23 01:18:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2021-11-23 01:18:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:17,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:17,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:18:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 114 states and 227 transitions. [2021-11-23 01:18:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 227 transitions. [2021-11-23 01:18:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:18,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 118 states and 236 transitions. [2021-11-23 01:18:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 236 transitions. [2021-11-23 01:18:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:24,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 120 states and 238 transitions. [2021-11-23 01:18:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions. [2021-11-23 01:18:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:25,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 116 states and 223 transitions. [2021-11-23 01:18:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 223 transitions. [2021-11-23 01:18:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:27,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 122 states and 235 transitions. [2021-11-23 01:18:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 235 transitions. [2021-11-23 01:18:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:34,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 125 states and 246 transitions. [2021-11-23 01:18:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 246 transitions. [2021-11-23 01:18:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:37,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 136 states and 272 transitions. [2021-11-23 01:18:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 272 transitions. [2021-11-23 01:18:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:51,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 138 states and 275 transitions. [2021-11-23 01:18:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 275 transitions. [2021-11-23 01:18:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:18:54,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 142 states and 285 transitions. [2021-11-23 01:19:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 285 transitions. [2021-11-23 01:19:06,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:06,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 147 states and 307 transitions. [2021-11-23 01:19:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 307 transitions. [2021-11-23 01:19:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:19:16,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:16,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 149 states and 312 transitions. [2021-11-23 01:19:19,609 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 312 transitions. [2021-11-23 01:19:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:19,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 158 states and 333 transitions. [2021-11-23 01:19:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 333 transitions. [2021-11-23 01:19:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:36,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 160 states and 336 transitions. [2021-11-23 01:19:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 336 transitions. [2021-11-23 01:19:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:38,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:38,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 167 states and 368 transitions. [2021-11-23 01:19:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 368 transitions. [2021-11-23 01:19:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:50,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 170 states and 385 transitions. [2021-11-23 01:19:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 385 transitions. [2021-11-23 01:19:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:54,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 171 states and 389 transitions. [2021-11-23 01:19:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 389 transitions. [2021-11-23 01:19:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:56,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:56,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 177 states and 421 transitions. [2021-11-23 01:20:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 421 transitions. [2021-11-23 01:20:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:12,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:12,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 181 states and 430 transitions. [2021-11-23 01:20:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 430 transitions. [2021-11-23 01:20:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:21,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:21,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 184 states and 437 transitions. [2021-11-23 01:20:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 437 transitions. [2021-11-23 01:20:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:25,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:25,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 186 states and 440 transitions. [2021-11-23 01:20:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 440 transitions. [2021-11-23 01:20:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:27,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:27,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 182 states and 425 transitions. [2021-11-23 01:20:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 425 transitions. [2021-11-23 01:20:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:45,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 185 states and 436 transitions. [2021-11-23 01:20:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 436 transitions. [2021-11-23 01:20:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:48,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 188 states and 445 transitions. [2021-11-23 01:20:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 445 transitions. [2021-11-23 01:20:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:53,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:53,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 201 states and 478 transitions. [2021-11-23 01:21:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 478 transitions. [2021-11-23 01:21:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:18,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 205 states and 496 transitions. [2021-11-23 01:21:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 496 transitions. [2021-11-23 01:21:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:29,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:29,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 208 states and 507 transitions. [2021-11-23 01:21:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 507 transitions. [2021-11-23 01:21:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:34,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:34,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:35,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 212 states and 521 transitions. [2021-11-23 01:21:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 521 transitions. [2021-11-23 01:21:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:38,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 215 states and 530 transitions. [2021-11-23 01:21:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 530 transitions. [2021-11-23 01:21:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:52,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:52,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:55,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 218 states and 534 transitions. [2021-11-23 01:21:55,428 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 534 transitions. [2021-11-23 01:21:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:55,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:31,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 231 states and 565 transitions. [2021-11-23 01:22:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 565 transitions. [2021-11-23 01:22:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:31,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:31,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 234 states and 573 transitions. [2021-11-23 01:22:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 573 transitions. [2021-11-23 01:22:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:22:59,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:59,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 236 states and 577 transitions. [2021-11-23 01:23:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 577 transitions. [2021-11-23 01:23:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:03,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:03,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 241 states and 594 transitions. [2021-11-23 01:23:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 594 transitions. [2021-11-23 01:23:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:22,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 244 states and 602 transitions. [2021-11-23 01:23:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 602 transitions. [2021-11-23 01:23:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:28,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 245 states and 605 transitions. [2021-11-23 01:23:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 605 transitions. [2021-11-23 01:23:31,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:31,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 251 states and 623 transitions. [2021-11-23 01:23:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 623 transitions. [2021-11-23 01:23:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:48,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 254 states and 632 transitions. [2021-11-23 01:23:52,897 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 632 transitions. [2021-11-23 01:23:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:52,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 257 states and 645 transitions. [2021-11-23 01:23:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 645 transitions. [2021-11-23 01:23:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:59,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 260 states and 658 transitions. [2021-11-23 01:24:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 658 transitions. [2021-11-23 01:24:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:24:06,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 263 states and 668 transitions. [2021-11-23 01:24:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 668 transitions. [2021-11-23 01:24:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:24:12,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 265 states and 675 transitions. [2021-11-23 01:24:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 675 transitions. [2021-11-23 01:24:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:24:17,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:30,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 271 states and 694 transitions. [2021-11-23 01:24:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 694 transitions. [2021-11-23 01:24:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:24:30,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 282 states and 722 transitions. [2021-11-23 01:25:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 722 transitions. [2021-11-23 01:25:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:25:05,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 292 states and 759 transitions. [2021-11-23 01:25:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 759 transitions. [2021-11-23 01:25:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:25:43,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 298 states and 777 transitions. [2021-11-23 01:26:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 777 transitions. [2021-11-23 01:26:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:26:00,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 299 states and 781 transitions. [2021-11-23 01:26:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 781 transitions. [2021-11-23 01:26:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:26:04,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 303 states and 816 transitions. [2021-11-23 01:26:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 816 transitions. [2021-11-23 01:26:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:26:40,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 306 states and 828 transitions. [2021-11-23 01:27:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 828 transitions. [2021-11-23 01:27:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:01,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 308 states and 831 transitions. [2021-11-23 01:27:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 831 transitions. [2021-11-23 01:27:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:06,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 314 states and 853 transitions. [2021-11-23 01:27:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 853 transitions. [2021-11-23 01:27:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:33,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:33,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 317 states and 861 transitions. [2021-11-23 01:27:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 861 transitions. [2021-11-23 01:27:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:38,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:38,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 320 states and 877 transitions. [2021-11-23 01:27:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 877 transitions. [2021-11-23 01:27:47,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:47,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:47,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 323 states and 892 transitions. [2021-11-23 01:27:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 892 transitions. [2021-11-23 01:27:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:27:56,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:56,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 327 states and 902 transitions. [2021-11-23 01:28:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 902 transitions. [2021-11-23 01:28:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:15,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 334 states and 928 transitions. [2021-11-23 01:28:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 928 transitions. [2021-11-23 01:28:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:28:51,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:51,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 336 states and 942 transitions. [2021-11-23 01:29:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 942 transitions. [2021-11-23 01:29:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:29:06,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:06,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.