./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/process_queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/process_queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL --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 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:01:08,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:01:08,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:01:08,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:01:08,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:01:08,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:01:08,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:01:08,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:01:08,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:01:08,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:01:08,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:01:08,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:01:08,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:01:08,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:01:08,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:01:08,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:01:08,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:01:08,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:01:08,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:01:08,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:01:08,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:01:08,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:01:08,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:01:08,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:01:08,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:01:08,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:01:08,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:01:08,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:01:08,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:01:08,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:01:08,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:01:08,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:01:08,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:01:08,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:01:08,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:01:08,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:01:08,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:01:08,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:01:08,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:01:08,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:01:08,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:01:08,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 08:01:08,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:01:08,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:01:08,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:01:08,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:01:08,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:01:08,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:01:08,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:01:08,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:01:08,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:01:08,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:01:08,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:01:08,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:01:08,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:01:08,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:01:08,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:01:08,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:01:08,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:01:08,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:01:08,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:01:08,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:01:08,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:01:08,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:01:08,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:01:08,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:01:08,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:01:08,506 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:01:08,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:01:08,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:01:08,506 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_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c [2021-11-25 08:01:08,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:01:08,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:01:08,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:01:08,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:01:08,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:01:08,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/heap-data/process_queue.i [2021-11-25 08:01:08,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/data/a2eccf990/4a081c72f06b431e985763ebe22f1c35/FLAGbf25e9b34 [2021-11-25 08:01:09,398 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:01:09,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/sv-benchmarks/c/heap-data/process_queue.i [2021-11-25 08:01:09,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/data/a2eccf990/4a081c72f06b431e985763ebe22f1c35/FLAGbf25e9b34 [2021-11-25 08:01:09,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/data/a2eccf990/4a081c72f06b431e985763ebe22f1c35 [2021-11-25 08:01:09,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:01:09,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:01:09,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:01:09,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:01:09,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:01:09,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:09" (1/1) ... [2021-11-25 08:01:09,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a214a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:09, skipping insertion in model container [2021-11-25 08:01:09,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:01:09" (1/1) ... [2021-11-25 08:01:09,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:01:09,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:01:10,104 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_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2021-11-25 08:01:10,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:01:10,120 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:01:10,158 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_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2021-11-25 08:01:10,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:01:10,194 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:01:10,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10 WrapperNode [2021-11-25 08:01:10,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:01:10,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:01:10,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:01:10,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:01:10,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,270 INFO L137 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 111 [2021-11-25 08:01:10,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:01:10,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:01:10,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:01:10,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:01:10,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:01:10,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:01:10,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:01:10,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:01:10,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:01:10,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:01:10,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:01:10,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a505fc0-c0c8-4c46-ba43-fa083c2ec656/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:01:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 08:01:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 08:01:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 08:01:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:01:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 08:01:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 08:01:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 08:01:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 08:01:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 08:01:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:01:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:01:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:01:10,561 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:01:10,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:01:10,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:01:10,911 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:01:10,912 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 08:01:10,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:01:10 BoogieIcfgContainer [2021-11-25 08:01:10,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:01:10,915 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:01:10,916 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:01:10,926 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:01:10,926 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:01:10" (1/1) ... [2021-11-25 08:01:10,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:01:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-25 08:01:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-25 08:01:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:01:11,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:11,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2021-11-25 08:01:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2021-11-25 08:01:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 08:01:11,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:11,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2021-11-25 08:01:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2021-11-25 08:01:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:01:12,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:12,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:12,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2021-11-25 08:01:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2021-11-25 08:01:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 08:01:12,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:12,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:13,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 34 states and 70 transitions. [2021-11-25 08:01:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 70 transitions. [2021-11-25 08:01:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 08:01:13,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:13,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2021-11-25 08:01:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2021-11-25 08:01:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 08:01:14,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:14,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:15,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2021-11-25 08:01:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2021-11-25 08:01:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:01:15,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:15,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:01:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2021-11-25 08:01:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2021-11-25 08:01:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:01:16,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:16,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:01:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 51 states and 113 transitions. [2021-11-25 08:01:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2021-11-25 08:01:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:01:17,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:17,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:01:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 120 transitions. [2021-11-25 08:01:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2021-11-25 08:01:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:01:19,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:19,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:01:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 121 transitions. [2021-11-25 08:01:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 121 transitions. [2021-11-25 08:01:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:01:19,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:19,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:01:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 123 transitions. [2021-11-25 08:01:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2021-11-25 08:01:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:01:20,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:01:20,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 58 states and 124 transitions. [2021-11-25 08:01:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 124 transitions. [2021-11-25 08:01:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 08:01:20,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:20,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:01:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2021-11-25 08:01:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2021-11-25 08:01:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:01:20,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:20,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:01:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2021-11-25 08:01:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2021-11-25 08:01:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:01:21,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:21,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:01:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 68 states and 142 transitions. [2021-11-25 08:01:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 142 transitions. [2021-11-25 08:01:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:01:22,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:22,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:23,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 72 states and 155 transitions. [2021-11-25 08:01:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 155 transitions. [2021-11-25 08:01:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:01:25,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:25,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 73 states and 157 transitions. [2021-11-25 08:01:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 157 transitions. [2021-11-25 08:01:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 08:01:26,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:26,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 74 states and 161 transitions. [2021-11-25 08:01:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 161 transitions. [2021-11-25 08:01:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:01:26,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:26,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 78 states and 169 transitions. [2021-11-25 08:01:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 169 transitions. [2021-11-25 08:01:27,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:01:27,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:27,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 81 states and 176 transitions. [2021-11-25 08:01:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 176 transitions. [2021-11-25 08:01:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:01:27,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:27,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 82 states and 176 transitions. [2021-11-25 08:01:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 176 transitions. [2021-11-25 08:01:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:01:28,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2021-11-25 08:01:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2021-11-25 08:01:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:01:28,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:28,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 87 states and 190 transitions. [2021-11-25 08:01:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 190 transitions. [2021-11-25 08:01:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:01:30,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:30,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 192 transitions. [2021-11-25 08:01:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 192 transitions. [2021-11-25 08:01:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:01:30,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:30,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 201 transitions. [2021-11-25 08:01:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 201 transitions. [2021-11-25 08:01:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:01:32,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:32,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 97 states and 209 transitions. [2021-11-25 08:01:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 209 transitions. [2021-11-25 08:01:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:01:32,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:32,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:01:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 98 states and 210 transitions. [2021-11-25 08:01:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 210 transitions. [2021-11-25 08:01:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:01:33,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:33,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 109 states and 238 transitions. [2021-11-25 08:01:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 238 transitions. [2021-11-25 08:01:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:01:41,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:41,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 121 states and 270 transitions. [2021-11-25 08:01:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 270 transitions. [2021-11-25 08:01:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:01:50,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:50,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:55,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 126 states and 285 transitions. [2021-11-25 08:01:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 285 transitions. [2021-11-25 08:01:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:01:55,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:55,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:01:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 288 transitions. [2021-11-25 08:01:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 288 transitions. [2021-11-25 08:01:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:01:58,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:58,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 129 states and 293 transitions. [2021-11-25 08:02:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 293 transitions. [2021-11-25 08:02:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:03,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:03,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 08:02:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 131 states and 296 transitions. [2021-11-25 08:02:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 296 transitions. [2021-11-25 08:02:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:05,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:05,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 08:02:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 133 states and 299 transitions. [2021-11-25 08:02:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 299 transitions. [2021-11-25 08:02:06,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:06,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:06,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 08:02:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 137 states and 306 transitions. [2021-11-25 08:02:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 306 transitions. [2021-11-25 08:02:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:09,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:09,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 140 states and 314 transitions. [2021-11-25 08:02:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 314 transitions. [2021-11-25 08:02:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:13,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:13,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 143 states and 319 transitions. [2021-11-25 08:02:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 319 transitions. [2021-11-25 08:02:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:15,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:15,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 151 states and 341 transitions. [2021-11-25 08:02:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 341 transitions. [2021-11-25 08:02:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:22,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:22,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 152 states and 342 transitions. [2021-11-25 08:02:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 342 transitions. [2021-11-25 08:02:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 08:02:24,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:24,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 153 states and 346 transitions. [2021-11-25 08:02:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 346 transitions. [2021-11-25 08:02:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:02:25,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:25,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-25 08:02:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 154 states and 347 transitions. [2021-11-25 08:02:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 347 transitions. [2021-11-25 08:02:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:26,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:26,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:02:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 156 states and 350 transitions. [2021-11-25 08:02:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 350 transitions. [2021-11-25 08:02:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:28,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:28,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 157 states and 353 transitions. [2021-11-25 08:02:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 353 transitions. [2021-11-25 08:02:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:32,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:32,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 162 states and 371 transitions. [2021-11-25 08:02:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 371 transitions. [2021-11-25 08:02:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:40,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:40,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 165 states and 380 transitions. [2021-11-25 08:02:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 380 transitions. [2021-11-25 08:02:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:44,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:44,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 166 states and 381 transitions. [2021-11-25 08:02:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 381 transitions. [2021-11-25 08:02:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:02:47,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:47,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 167 states and 382 transitions. [2021-11-25 08:02:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 382 transitions. [2021-11-25 08:02:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:02:50,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:50,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 180 states and 421 transitions. [2021-11-25 08:03:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 421 transitions. [2021-11-25 08:03:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:03:02,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:02,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:03:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 182 states and 425 transitions. [2021-11-25 08:03:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 425 transitions. [2021-11-25 08:03:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:03:04,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:04,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:03:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 185 states and 436 transitions. [2021-11-25 08:03:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 436 transitions. [2021-11-25 08:03:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 08:03:08,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:08,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:03:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 186 states and 436 transitions. [2021-11-25 08:03:09,395 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 436 transitions. [2021-11-25 08:03:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:09,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:09,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 187 states and 437 transitions. [2021-11-25 08:03:11,143 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 437 transitions. [2021-11-25 08:03:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:03:11,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:11,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 188 states and 438 transitions. [2021-11-25 08:03:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 438 transitions. [2021-11-25 08:03:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:03:12,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:12,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 193 states and 448 transitions. [2021-11-25 08:03:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 448 transitions. [2021-11-25 08:03:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:03:15,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:15,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:03:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 197 states and 457 transitions. [2021-11-25 08:03:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 457 transitions. [2021-11-25 08:03:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:03:20,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:20,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 201 states and 470 transitions. [2021-11-25 08:03:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 470 transitions. [2021-11-25 08:03:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:03:27,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:27,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 202 states and 472 transitions. [2021-11-25 08:03:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 472 transitions. [2021-11-25 08:03:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:03:29,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:29,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:03:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 203 states and 473 transitions. [2021-11-25 08:03:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 473 transitions. [2021-11-25 08:03:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:03:30,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:30,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 211 states and 499 transitions. [2021-11-25 08:03:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 499 transitions. [2021-11-25 08:03:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:03:43,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:43,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:03:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 218 states and 513 transitions. [2021-11-25 08:03:55,730 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 513 transitions. [2021-11-25 08:03:55,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:03:55,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:55,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 223 states and 520 transitions. [2021-11-25 08:04:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 520 transitions. [2021-11-25 08:04:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:04,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:04,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:04:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 224 states and 520 transitions. [2021-11-25 08:04:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 520 transitions. [2021-11-25 08:04:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:05,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:05,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:04:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 231 states and 537 transitions. [2021-11-25 08:04:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 537 transitions. [2021-11-25 08:04:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:21,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:21,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 244 states and 580 transitions. [2021-11-25 08:04:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 580 transitions. [2021-11-25 08:04:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:44,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:44,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:04:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:04:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 247 states and 588 transitions. [2021-11-25 08:04:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 588 transitions. [2021-11-25 08:04:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:04:53,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:04:53,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:04:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:04:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:05:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 253 states and 604 transitions. [2021-11-25 08:05:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 604 transitions. [2021-11-25 08:05:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:05:08,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:08,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:05:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 262 states and 629 transitions. [2021-11-25 08:05:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 629 transitions. [2021-11-25 08:05:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:05:26,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:26,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:05:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:05:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 273 states and 661 transitions. [2021-11-25 08:05:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 661 transitions. [2021-11-25 08:05:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:05:43,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:05:43,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:05:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:05:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:06:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 286 states and 711 transitions. [2021-11-25 08:06:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 711 transitions. [2021-11-25 08:06:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:06:13,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:13,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 287 states and 712 transitions. [2021-11-25 08:06:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 712 transitions. [2021-11-25 08:06:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:06:22,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:22,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:06:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 294 states and 731 transitions. [2021-11-25 08:06:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 731 transitions. [2021-11-25 08:06:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:06:41,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:41,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 295 states and 732 transitions. [2021-11-25 08:06:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 732 transitions. [2021-11-25 08:06:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 08:06:49,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:06:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:06:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:06:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 296 states and 734 transitions. [2021-11-25 08:06:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 734 transitions. [2021-11-25 08:06:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:06:56,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:06:56,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:06:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:07:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 310 states and 783 transitions. [2021-11-25 08:07:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 783 transitions. [2021-11-25 08:07:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:07:31,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:31,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:07:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:07:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 313 states and 794 transitions. [2021-11-25 08:07:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 794 transitions. [2021-11-25 08:07:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:07:51,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:07:51,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:07:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:07:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 319 states and 818 transitions. [2021-11-25 08:08:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 818 transitions. [2021-11-25 08:08:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:08:04,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:04,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 320 states and 819 transitions. [2021-11-25 08:08:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 819 transitions. [2021-11-25 08:08:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:08:21,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:21,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 08:08:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 321 states and 820 transitions. [2021-11-25 08:08:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 820 transitions. [2021-11-25 08:08:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:08:30,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:30,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 327 states and 845 transitions. [2021-11-25 08:08:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 845 transitions. [2021-11-25 08:08:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:08:54,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:54,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 333 states and 860 transitions. [2021-11-25 08:09:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 860 transitions. [2021-11-25 08:09:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:09:10,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:10,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 340 states and 885 transitions. [2021-11-25 08:09:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 885 transitions. [2021-11-25 08:09:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:09:40,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:40,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 341 states and 886 transitions. [2021-11-25 08:09:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 886 transitions. [2021-11-25 08:09:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:09:54,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:54,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:10:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 342 states and 887 transitions. [2021-11-25 08:10:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 887 transitions. [2021-11-25 08:10:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:10:07,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:07,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:10:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 357 states and 953 transitions. [2021-11-25 08:10:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 953 transitions. [2021-11-25 08:10:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:10:55,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:55,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:11:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 364 states and 988 transitions. [2021-11-25 08:11:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 988 transitions. [2021-11-25 08:11:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:26,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:26,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:11:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 367 states and 995 transitions. [2021-11-25 08:11:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 995 transitions. [2021-11-25 08:11:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:11:41,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:41,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:12:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 374 states and 1020 transitions. [2021-11-25 08:12:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1020 transitions. [2021-11-25 08:12:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:12:13,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:13,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:12:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 378 states and 1035 transitions. [2021-11-25 08:12:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1035 transitions. [2021-11-25 08:12:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:12:29,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:29,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:12:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 379 states and 1036 transitions. [2021-11-25 08:12:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1036 transitions. [2021-11-25 08:12:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:12:39,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:39,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:12:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 380 states and 1038 transitions. [2021-11-25 08:12:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1038 transitions. [2021-11-25 08:12:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 08:12:43,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:43,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.