./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bf978f501147b566a0f6f3e817c934f24352e71 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bf978f501147b566a0f6f3e817c934f24352e71 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:53:13,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:53:13,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:53:13,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:53:13,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:53:13,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:53:13,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:53:13,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:53:13,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:53:13,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:53:13,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:53:13,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:53:13,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:53:13,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:53:13,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:53:13,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:53:13,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:53:13,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:53:13,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:53:13,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:53:13,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:53:13,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:53:13,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:53:13,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:53:13,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:53:13,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:53:13,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:53:13,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:53:13,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:53:13,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:53:13,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:53:13,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:53:13,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:53:13,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:53:13,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:53:13,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:53:13,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:53:13,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:53:13,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:53:13,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:53:13,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:53:13,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:53:13,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:53:13,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:53:13,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:53:13,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:53:13,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:53:13,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:53:13,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:53:13,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:53:13,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:53:13,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:53:13,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:53:13,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:53:13,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:53:13,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:53:13,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:53:13,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:53:13,717 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:53:13,718 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:53:13,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:53:13,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:53:13,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:53:13,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:53:13,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:53:13,719 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:53:13,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:53:13,720 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-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf978f501147b566a0f6f3e817c934f24352e71 [2020-12-01 17:53:14,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:53:14,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:53:14,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:53:14,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:53:14,092 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:53:14,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 17:53:14,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/9b6561714/df433a1af9e74884840171dea5d5a418/FLAG4ba83125f [2020-12-01 17:53:14,847 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:53:14,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 17:53:14,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/9b6561714/df433a1af9e74884840171dea5d5a418/FLAG4ba83125f [2020-12-01 17:53:15,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/9b6561714/df433a1af9e74884840171dea5d5a418 [2020-12-01 17:53:15,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:53:15,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:53:15,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:15,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:53:15,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:53:15,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db11467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15, skipping insertion in model container [2020-12-01 17:53:15,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:53:15,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:53:15,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:15,575 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:53:15,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:15,717 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:53:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15 WrapperNode [2020-12-01 17:53:15,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:15,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:15,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:53:15,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:53:15,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:15,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:53:15,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:53:15,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:53:15,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... [2020-12-01 17:53:15,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:53:15,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:53:15,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:53:15,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:53:15,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:53:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:53:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:53:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:53:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:53:16,251 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,260 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,302 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,327 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,334 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,354 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,363 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,371 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,380 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,386 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,393 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:16,411 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:53:17,525 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-12-01 17:53:17,526 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-12-01 17:53:17,526 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-12-01 17:53:17,526 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-12-01 17:53:17,526 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-12-01 17:53:17,526 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-12-01 17:53:17,527 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-12-01 17:53:17,527 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-12-01 17:53:17,527 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-12-01 17:53:17,527 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-12-01 17:53:17,528 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-12-01 17:53:17,529 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-12-01 17:53:18,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:53:18,461 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-12-01 17:53:18,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:18 BoogieIcfgContainer [2020-12-01 17:53:18,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:53:18,466 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:53:18,466 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:53:18,478 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:53:18,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:18" (1/1) ... [2020-12-01 17:53:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:53:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 203 states and 306 transitions. [2020-12-01 17:53:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2020-12-01 17:53:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:53:18,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 203 states and 304 transitions. [2020-12-01 17:53:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 304 transitions. [2020-12-01 17:53:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:18,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 305 transitions. [2020-12-01 17:53:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2020-12-01 17:53:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:19,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 205 states and 304 transitions. [2020-12-01 17:53:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 304 transitions. [2020-12-01 17:53:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:19,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 206 states and 305 transitions. [2020-12-01 17:53:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 305 transitions. [2020-12-01 17:53:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:19,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 204 states and 302 transitions. [2020-12-01 17:53:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 302 transitions. [2020-12-01 17:53:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:19,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 202 states and 299 transitions. [2020-12-01 17:53:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 299 transitions. [2020-12-01 17:53:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:19,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 198 states and 295 transitions. [2020-12-01 17:53:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 295 transitions. [2020-12-01 17:53:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:19,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 200 states and 297 transitions. [2020-12-01 17:53:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 297 transitions. [2020-12-01 17:53:19,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:19,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:19,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 200 states and 295 transitions. [2020-12-01 17:53:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 295 transitions. [2020-12-01 17:53:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:19,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 198 states and 292 transitions. [2020-12-01 17:53:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 292 transitions. [2020-12-01 17:53:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:53:20,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 196 states and 289 transitions. [2020-12-01 17:53:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 289 transitions. [2020-12-01 17:53:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:53:20,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 192 states and 285 transitions. [2020-12-01 17:53:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 285 transitions. [2020-12-01 17:53:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:53:20,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 190 states and 282 transitions. [2020-12-01 17:53:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 282 transitions. [2020-12-01 17:53:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:53:20,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 188 states and 279 transitions. [2020-12-01 17:53:20,323 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 279 transitions. [2020-12-01 17:53:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 192 states and 283 transitions. [2020-12-01 17:53:20,368 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 283 transitions. [2020-12-01 17:53:20,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 192 states and 282 transitions. [2020-12-01 17:53:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2020-12-01 17:53:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 194 states and 291 transitions. [2020-12-01 17:53:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 291 transitions. [2020-12-01 17:53:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 195 states and 290 transitions. [2020-12-01 17:53:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 290 transitions. [2020-12-01 17:53:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 195 states and 289 transitions. [2020-12-01 17:53:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 289 transitions. [2020-12-01 17:53:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:20,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 191 states and 282 transitions. [2020-12-01 17:53:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 282 transitions. [2020-12-01 17:53:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 183 states and 272 transitions. [2020-12-01 17:53:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 272 transitions. [2020-12-01 17:53:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 187 states and 276 transitions. [2020-12-01 17:53:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 276 transitions. [2020-12-01 17:53:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 187 states and 275 transitions. [2020-12-01 17:53:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 275 transitions. [2020-12-01 17:53:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 187 states and 274 transitions. [2020-12-01 17:53:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 274 transitions. [2020-12-01 17:53:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 185 states and 271 transitions. [2020-12-01 17:53:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 271 transitions. [2020-12-01 17:53:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:53:20,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 181 states and 264 transitions. [2020-12-01 17:53:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 264 transitions. [2020-12-01 17:53:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:20,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 179 states and 261 transitions. [2020-12-01 17:53:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 261 transitions. [2020-12-01 17:53:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 171 states and 251 transitions. [2020-12-01 17:53:21,136 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 251 transitions. [2020-12-01 17:53:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 172 states and 258 transitions. [2020-12-01 17:53:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 258 transitions. [2020-12-01 17:53:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 172 states and 257 transitions. [2020-12-01 17:53:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 257 transitions. [2020-12-01 17:53:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 170 states and 254 transitions. [2020-12-01 17:53:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2020-12-01 17:53:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 166 states and 247 transitions. [2020-12-01 17:53:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2020-12-01 17:53:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:53:21,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 162 states and 240 transitions. [2020-12-01 17:53:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2020-12-01 17:53:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:53:21,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 160 states and 237 transitions. [2020-12-01 17:53:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2020-12-01 17:53:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:53:21,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2020-12-01 17:53:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2020-12-01 17:53:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:53:21,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 160 states and 233 transitions. [2020-12-01 17:53:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 233 transitions. [2020-12-01 17:53:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:53:22,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2020-12-01 17:53:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2020-12-01 17:53:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:22,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2020-12-01 17:53:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2020-12-01 17:53:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:22,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2020-12-01 17:53:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2020-12-01 17:53:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:22,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 170 states and 256 transitions. [2020-12-01 17:53:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 256 transitions. [2020-12-01 17:53:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2020-12-01 17:53:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2020-12-01 17:53:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 171 states and 261 transitions. [2020-12-01 17:53:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 261 transitions. [2020-12-01 17:53:23,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 172 states and 263 transitions. [2020-12-01 17:53:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2020-12-01 17:53:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 174 states and 265 transitions. [2020-12-01 17:53:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 265 transitions. [2020-12-01 17:53:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 172 states and 262 transitions. [2020-12-01 17:53:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 262 transitions. [2020-12-01 17:53:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:23,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 170 states and 259 transitions. [2020-12-01 17:53:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 259 transitions. [2020-12-01 17:53:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:23,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 171 states and 260 transitions. [2020-12-01 17:53:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 260 transitions. [2020-12-01 17:53:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:23,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 181 states and 283 transitions. [2020-12-01 17:53:25,928 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2020-12-01 17:53:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:25,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 182 states and 284 transitions. [2020-12-01 17:53:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 284 transitions. [2020-12-01 17:53:25,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:25,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 182 states and 283 transitions. [2020-12-01 17:53:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 283 transitions. [2020-12-01 17:53:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:26,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 175 states and 273 transitions. [2020-12-01 17:53:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 273 transitions. [2020-12-01 17:53:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:26,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 182 states and 284 transitions. [2020-12-01 17:53:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 284 transitions. [2020-12-01 17:53:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:26,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 182 states and 283 transitions. [2020-12-01 17:53:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 283 transitions. [2020-12-01 17:53:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:26,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 186 states and 299 transitions. [2020-12-01 17:53:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 299 transitions. [2020-12-01 17:53:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:26,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 187 states and 304 transitions. [2020-12-01 17:53:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 304 transitions. [2020-12-01 17:53:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 187 states and 297 transitions. [2020-12-01 17:53:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 297 transitions. [2020-12-01 17:53:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 187 states and 296 transitions. [2020-12-01 17:53:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 296 transitions. [2020-12-01 17:53:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 187 states and 294 transitions. [2020-12-01 17:53:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 294 transitions. [2020-12-01 17:53:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 188 states and 296 transitions. [2020-12-01 17:53:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 296 transitions. [2020-12-01 17:53:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 188 states and 295 transitions. [2020-12-01 17:53:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 295 transitions. [2020-12-01 17:53:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:53:27,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 185 states and 291 transitions. [2020-12-01 17:53:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 291 transitions. [2020-12-01 17:53:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:27,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 197 states and 324 transitions. [2020-12-01 17:53:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 324 transitions. [2020-12-01 17:53:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:29,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 202 states and 339 transitions. [2020-12-01 17:53:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 339 transitions. [2020-12-01 17:53:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 201 states and 337 transitions. [2020-12-01 17:53:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 337 transitions. [2020-12-01 17:53:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 201 states and 336 transitions. [2020-12-01 17:53:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 336 transitions. [2020-12-01 17:53:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 195 states and 324 transitions. [2020-12-01 17:53:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 324 transitions. [2020-12-01 17:53:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 202 states and 336 transitions. [2020-12-01 17:53:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2020-12-01 17:53:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 203 states and 337 transitions. [2020-12-01 17:53:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 337 transitions. [2020-12-01 17:53:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 196 states and 327 transitions. [2020-12-01 17:53:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 327 transitions. [2020-12-01 17:53:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 196 states and 326 transitions. [2020-12-01 17:53:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 326 transitions. [2020-12-01 17:53:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 200 states and 332 transitions. [2020-12-01 17:53:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 332 transitions. [2020-12-01 17:53:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:30,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 204 states and 349 transitions. [2020-12-01 17:53:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 349 transitions. [2020-12-01 17:53:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 204 states and 348 transitions. [2020-12-01 17:53:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 348 transitions. [2020-12-01 17:53:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 347 transitions. [2020-12-01 17:53:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 347 transitions. [2020-12-01 17:53:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 204 states and 345 transitions. [2020-12-01 17:53:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 345 transitions. [2020-12-01 17:53:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 204 states and 344 transitions. [2020-12-01 17:53:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 344 transitions. [2020-12-01 17:53:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 205 states and 346 transitions. [2020-12-01 17:53:33,385 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 346 transitions. [2020-12-01 17:53:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 204 states and 344 transitions. [2020-12-01 17:53:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 344 transitions. [2020-12-01 17:53:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 205 states and 344 transitions. [2020-12-01 17:53:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 344 transitions. [2020-12-01 17:53:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:33,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 205 states and 342 transitions. [2020-12-01 17:53:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 342 transitions. [2020-12-01 17:53:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:34,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 207 states and 348 transitions. [2020-12-01 17:53:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-12-01 17:53:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:34,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 215 states and 363 transitions. [2020-12-01 17:53:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 363 transitions. [2020-12-01 17:53:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:36,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 215 states and 362 transitions. [2020-12-01 17:53:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2020-12-01 17:53:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:36,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 208 states and 350 transitions. [2020-12-01 17:53:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 350 transitions. [2020-12-01 17:53:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:36,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:37,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 215 states and 362 transitions. [2020-12-01 17:53:37,036 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2020-12-01 17:53:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:37,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 214 states and 360 transitions. [2020-12-01 17:53:37,072 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 360 transitions. [2020-12-01 17:53:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:37,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 216 states and 365 transitions. [2020-12-01 17:53:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 365 transitions. [2020-12-01 17:53:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:37,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 210 states and 353 transitions. [2020-12-01 17:53:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 353 transitions. [2020-12-01 17:53:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:37,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 210 states and 352 transitions. [2020-12-01 17:53:37,193 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 352 transitions. [2020-12-01 17:53:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:37,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 214 states and 369 transitions. [2020-12-01 17:53:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 369 transitions. [2020-12-01 17:53:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 214 states and 368 transitions. [2020-12-01 17:53:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 368 transitions. [2020-12-01 17:53:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 215 states and 372 transitions. [2020-12-01 17:53:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 372 transitions. [2020-12-01 17:53:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 215 states and 371 transitions. [2020-12-01 17:53:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 371 transitions. [2020-12-01 17:53:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 215 states and 369 transitions. [2020-12-01 17:53:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 369 transitions. [2020-12-01 17:53:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 215 states and 368 transitions. [2020-12-01 17:53:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 368 transitions. [2020-12-01 17:53:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 214 states and 365 transitions. [2020-12-01 17:53:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 365 transitions. [2020-12-01 17:53:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:38,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 212 states and 362 transitions. [2020-12-01 17:53:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 362 transitions. [2020-12-01 17:53:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:42,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 213 states and 364 transitions. [2020-12-01 17:53:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 364 transitions. [2020-12-01 17:53:42,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:42,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 213 states and 363 transitions. [2020-12-01 17:53:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 363 transitions. [2020-12-01 17:53:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:42,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 214 states and 365 transitions. [2020-12-01 17:53:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 365 transitions. [2020-12-01 17:53:42,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:53:42,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 216 states and 371 transitions. [2020-12-01 17:53:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 371 transitions. [2020-12-01 17:53:42,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:42,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 220 states and 381 transitions. [2020-12-01 17:53:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 381 transitions. [2020-12-01 17:53:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 220 states and 380 transitions. [2020-12-01 17:53:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 380 transitions. [2020-12-01 17:53:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 210 states and 363 transitions. [2020-12-01 17:53:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 363 transitions. [2020-12-01 17:53:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 218 states and 378 transitions. [2020-12-01 17:53:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 378 transitions. [2020-12-01 17:53:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 211 states and 366 transitions. [2020-12-01 17:53:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 366 transitions. [2020-12-01 17:53:43,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 211 states and 365 transitions. [2020-12-01 17:53:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 365 transitions. [2020-12-01 17:53:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:43,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 212 states and 369 transitions. [2020-12-01 17:53:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 369 transitions. [2020-12-01 17:53:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:44,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 204 states and 360 transitions. [2020-12-01 17:53:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 360 transitions. [2020-12-01 17:53:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:44,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 204 states and 359 transitions. [2020-12-01 17:53:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 359 transitions. [2020-12-01 17:53:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:44,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 204 states and 358 transitions. [2020-12-01 17:53:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 358 transitions. [2020-12-01 17:53:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:44,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 203 states and 356 transitions. [2020-12-01 17:53:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 356 transitions. [2020-12-01 17:53:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:44,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 205 states and 359 transitions. [2020-12-01 17:53:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 359 transitions. [2020-12-01 17:53:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:45,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 205 states and 358 transitions. [2020-12-01 17:53:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 358 transitions. [2020-12-01 17:53:45,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:45,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 207 states and 363 transitions. [2020-12-01 17:53:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 363 transitions. [2020-12-01 17:53:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:46,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 208 states and 365 transitions. [2020-12-01 17:53:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 365 transitions. [2020-12-01 17:53:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:46,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 207 states and 363 transitions. [2020-12-01 17:53:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 363 transitions. [2020-12-01 17:53:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:46,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 208 states and 365 transitions. [2020-12-01 17:53:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 365 transitions. [2020-12-01 17:53:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:46,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 210 states and 370 transitions. [2020-12-01 17:53:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 370 transitions. [2020-12-01 17:53:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:53:46,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 210 states and 369 transitions. [2020-12-01 17:53:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 369 transitions. [2020-12-01 17:53:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:46,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 213 states and 375 transitions. [2020-12-01 17:53:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 375 transitions. [2020-12-01 17:53:46,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:46,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 225 states and 400 transitions. [2020-12-01 17:53:52,243 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 400 transitions. [2020-12-01 17:53:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:52,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 232 states and 419 transitions. [2020-12-01 17:53:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 419 transitions. [2020-12-01 17:53:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:54,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 233 states and 419 transitions. [2020-12-01 17:53:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 419 transitions. [2020-12-01 17:53:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:54,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 234 states and 421 transitions. [2020-12-01 17:53:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 421 transitions. [2020-12-01 17:53:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 234 states and 420 transitions. [2020-12-01 17:53:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 420 transitions. [2020-12-01 17:53:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 234 states and 419 transitions. [2020-12-01 17:53:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 419 transitions. [2020-12-01 17:53:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 224 states and 402 transitions. [2020-12-01 17:53:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 402 transitions. [2020-12-01 17:53:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 230 states and 414 transitions. [2020-12-01 17:53:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 414 transitions. [2020-12-01 17:53:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 231 states and 418 transitions. [2020-12-01 17:53:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 418 transitions. [2020-12-01 17:53:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 231 states and 417 transitions. [2020-12-01 17:53:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 417 transitions. [2020-12-01 17:53:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:55,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 232 states and 420 transitions. [2020-12-01 17:53:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 420 transitions. [2020-12-01 17:53:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:56,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 240 states and 443 transitions. [2020-12-01 17:54:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 443 transitions. [2020-12-01 17:54:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:00,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 245 states and 457 transitions. [2020-12-01 17:54:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 457 transitions. [2020-12-01 17:54:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:02,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 247 states and 459 transitions. [2020-12-01 17:54:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 459 transitions. [2020-12-01 17:54:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:02,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 246 states and 456 transitions. [2020-12-01 17:54:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 456 transitions. [2020-12-01 17:54:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:03,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 247 states and 457 transitions. [2020-12-01 17:54:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 457 transitions. [2020-12-01 17:54:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:03,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 246 states and 455 transitions. [2020-12-01 17:54:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2020-12-01 17:54:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:03,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 251 states and 469 transitions. [2020-12-01 17:54:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 469 transitions. [2020-12-01 17:54:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:06,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 252 states and 471 transitions. [2020-12-01 17:54:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 471 transitions. [2020-12-01 17:54:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:06,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 253 states and 471 transitions. [2020-12-01 17:54:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 471 transitions. [2020-12-01 17:54:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:54:06,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 252 states and 469 transitions. [2020-12-01 17:54:06,196 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 469 transitions. [2020-12-01 17:54:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:06,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 253 states and 469 transitions. [2020-12-01 17:54:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 469 transitions. [2020-12-01 17:54:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:07,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 259 states and 477 transitions. [2020-12-01 17:54:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 477 transitions. [2020-12-01 17:54:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:11,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:17,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 266 states and 488 transitions. [2020-12-01 17:54:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 488 transitions. [2020-12-01 17:54:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:17,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 266 states and 487 transitions. [2020-12-01 17:54:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 487 transitions. [2020-12-01 17:54:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:18,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 266 states and 486 transitions. [2020-12-01 17:54:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 486 transitions. [2020-12-01 17:54:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:18,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 267 states and 489 transitions. [2020-12-01 17:54:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2020-12-01 17:54:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:19,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 261 states and 480 transitions. [2020-12-01 17:54:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 480 transitions. [2020-12-01 17:54:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:19,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 262 states and 483 transitions. [2020-12-01 17:54:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 483 transitions. [2020-12-01 17:54:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:19,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 269 states and 493 transitions. [2020-12-01 17:54:19,811 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 493 transitions. [2020-12-01 17:54:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:19,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 269 states and 492 transitions. [2020-12-01 17:54:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 492 transitions. [2020-12-01 17:54:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:19,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 277 states and 517 transitions. [2020-12-01 17:54:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 517 transitions. [2020-12-01 17:54:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:24,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:25,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 284 states and 545 transitions. [2020-12-01 17:54:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 545 transitions. [2020-12-01 17:54:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:25,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 291 states and 564 transitions. [2020-12-01 17:54:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 564 transitions. [2020-12-01 17:54:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:30,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 292 states and 565 transitions. [2020-12-01 17:54:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 565 transitions. [2020-12-01 17:54:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:30,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 297 states and 579 transitions. [2020-12-01 17:54:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 579 transitions. [2020-12-01 17:54:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:33,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 298 states and 583 transitions. [2020-12-01 17:54:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 583 transitions. [2020-12-01 17:54:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:34,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 298 states and 580 transitions. [2020-12-01 17:54:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 580 transitions. [2020-12-01 17:54:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:34,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 299 states and 580 transitions. [2020-12-01 17:54:35,372 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 580 transitions. [2020-12-01 17:54:35,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:35,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:39,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 305 states and 595 transitions. [2020-12-01 17:54:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 595 transitions. [2020-12-01 17:54:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:39,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 307 states and 597 transitions. [2020-12-01 17:54:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 597 transitions. [2020-12-01 17:54:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:40,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 310 states and 609 transitions. [2020-12-01 17:54:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 609 transitions. [2020-12-01 17:54:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:43,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 310 states and 607 transitions. [2020-12-01 17:54:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 607 transitions. [2020-12-01 17:54:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:44,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 306 states and 601 transitions. [2020-12-01 17:54:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 601 transitions. [2020-12-01 17:54:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:50,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:50,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 305 states and 598 transitions. [2020-12-01 17:54:50,919 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 598 transitions. [2020-12-01 17:54:50,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:50,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 304 states and 595 transitions. [2020-12-01 17:54:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 595 transitions. [2020-12-01 17:54:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:54:51,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 303 states and 592 transitions. [2020-12-01 17:54:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 592 transitions. [2020-12-01 17:54:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:51,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 303 states and 590 transitions. [2020-12-01 17:54:53,477 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 590 transitions. [2020-12-01 17:54:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:53,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 303 states and 588 transitions. [2020-12-01 17:54:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 588 transitions. [2020-12-01 17:54:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 297 states and 581 transitions. [2020-12-01 17:54:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 581 transitions. [2020-12-01 17:54:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 287 states and 560 transitions. [2020-12-01 17:54:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 560 transitions. [2020-12-01 17:54:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 293 states and 568 transitions. [2020-12-01 17:54:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 568 transitions. [2020-12-01 17:54:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 300 states and 579 transitions. [2020-12-01 17:54:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 579 transitions. [2020-12-01 17:54:55,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 294 states and 570 transitions. [2020-12-01 17:54:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 570 transitions. [2020-12-01 17:54:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 294 states and 569 transitions. [2020-12-01 17:54:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 569 transitions. [2020-12-01 17:54:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 294 states and 568 transitions. [2020-12-01 17:54:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 568 transitions. [2020-12-01 17:54:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 300 states and 583 transitions. [2020-12-01 17:54:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 583 transitions. [2020-12-01 17:54:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:55,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 302 states and 584 transitions. [2020-12-01 17:54:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 584 transitions. [2020-12-01 17:54:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:57,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 303 states and 584 transitions. [2020-12-01 17:54:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 584 transitions. [2020-12-01 17:54:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:57,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 304 states and 585 transitions. [2020-12-01 17:54:58,974 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 585 transitions. [2020-12-01 17:54:58,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:58,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:54:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 307 states and 594 transitions. [2020-12-01 17:54:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 594 transitions. [2020-12-01 17:54:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:54:59,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 312 states and 605 transitions. [2020-12-01 17:55:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 605 transitions. [2020-12-01 17:55:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:02,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 312 states and 604 transitions. [2020-12-01 17:55:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 604 transitions. [2020-12-01 17:55:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:02,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 312 states and 600 transitions. [2020-12-01 17:55:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 600 transitions. [2020-12-01 17:55:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:03,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 312 states and 597 transitions. [2020-12-01 17:55:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 597 transitions. [2020-12-01 17:55:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:03,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 312 states and 595 transitions. [2020-12-01 17:55:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 595 transitions. [2020-12-01 17:55:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:03,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 314 states and 597 transitions. [2020-12-01 17:55:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 597 transitions. [2020-12-01 17:55:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:04,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 315 states and 602 transitions. [2020-12-01 17:55:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 602 transitions. [2020-12-01 17:55:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:08,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 317 states and 605 transitions. [2020-12-01 17:55:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 605 transitions. [2020-12-01 17:55:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:55:09,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 316 states and 602 transitions. [2020-12-01 17:55:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 602 transitions. [2020-12-01 17:55:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:09,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:15,652 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 17:55:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 319 states and 612 transitions. [2020-12-01 17:55:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 612 transitions. [2020-12-01 17:55:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:16,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 320 states and 614 transitions. [2020-12-01 17:55:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 614 transitions. [2020-12-01 17:55:18,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:18,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 313 states and 603 transitions. [2020-12-01 17:55:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 603 transitions. [2020-12-01 17:55:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:18,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 301 states and 572 transitions. [2020-12-01 17:55:18,376 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 572 transitions. [2020-12-01 17:55:18,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:18,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 309 states and 600 transitions. [2020-12-01 17:55:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 600 transitions. [2020-12-01 17:55:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:19,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 311 states and 601 transitions. [2020-12-01 17:55:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 601 transitions. [2020-12-01 17:55:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:21,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 312 states and 604 transitions. [2020-12-01 17:55:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 604 transitions. [2020-12-01 17:55:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:23,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 313 states and 609 transitions. [2020-12-01 17:55:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 609 transitions. [2020-12-01 17:55:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:25,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 314 states and 615 transitions. [2020-12-01 17:55:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 615 transitions. [2020-12-01 17:55:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:26,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 314 states and 614 transitions. [2020-12-01 17:55:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 614 transitions. [2020-12-01 17:55:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:26,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 314 states and 609 transitions. [2020-12-01 17:55:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 609 transitions. [2020-12-01 17:55:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:26,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 298 states and 564 transitions. [2020-12-01 17:55:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 564 transitions. [2020-12-01 17:55:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:26,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 293 states and 559 transitions. [2020-12-01 17:55:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 559 transitions. [2020-12-01 17:55:33,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:33,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 297 states and 565 transitions. [2020-12-01 17:55:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 565 transitions. [2020-12-01 17:55:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:47,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:51,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 298 states and 568 transitions. [2020-12-01 17:55:51,277 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 568 transitions. [2020-12-01 17:55:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:51,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 300 states and 574 transitions. [2020-12-01 17:55:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 574 transitions. [2020-12-01 17:55:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:57,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 300 states and 573 transitions. [2020-12-01 17:55:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 573 transitions. [2020-12-01 17:55:58,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:55:58,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 301 states and 575 transitions. [2020-12-01 17:55:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 575 transitions. [2020-12-01 17:55:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:55:58,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:55:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 302 states and 575 transitions. [2020-12-01 17:55:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 575 transitions. [2020-12-01 17:55:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:55:58,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:01,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 303 states and 580 transitions. [2020-12-01 17:56:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 580 transitions. [2020-12-01 17:56:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:01,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 303 states and 577 transitions. [2020-12-01 17:56:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 577 transitions. [2020-12-01 17:56:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:01,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 293 states and 552 transitions. [2020-12-01 17:56:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 552 transitions. [2020-12-01 17:56:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:01,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 293 states and 551 transitions. [2020-12-01 17:56:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 551 transitions. [2020-12-01 17:56:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:01,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 292 states and 548 transitions. [2020-12-01 17:56:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 548 transitions. [2020-12-01 17:56:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:02,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 296 states and 560 transitions. [2020-12-01 17:56:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 560 transitions. [2020-12-01 17:56:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:24,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 295 states and 555 transitions. [2020-12-01 17:56:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 555 transitions. [2020-12-01 17:56:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:30,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 294 states and 552 transitions. [2020-12-01 17:56:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 552 transitions. [2020-12-01 17:56:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:32,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 294 states and 551 transitions. [2020-12-01 17:56:32,529 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 551 transitions. [2020-12-01 17:56:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:56:32,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:32,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 292 states and 544 transitions. [2020-12-01 17:56:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 544 transitions. [2020-12-01 17:56:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:32,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 292 states and 542 transitions. [2020-12-01 17:56:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 542 transitions. [2020-12-01 17:56:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:37,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 292 states and 541 transitions. [2020-12-01 17:56:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 541 transitions. [2020-12-01 17:56:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:39,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 293 states and 547 transitions. [2020-12-01 17:56:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 547 transitions. [2020-12-01 17:56:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:41,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 293 states and 545 transitions. [2020-12-01 17:56:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 545 transitions. [2020-12-01 17:56:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:41,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 293 states and 544 transitions. [2020-12-01 17:56:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 544 transitions. [2020-12-01 17:56:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:41,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:56:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 293 states and 541 transitions. [2020-12-01 17:56:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 541 transitions. [2020-12-01 17:56:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:56:41,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:56:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:57:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:03,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 295 states and 545 transitions. [2020-12-01 17:57:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 545 transitions. [2020-12-01 17:57:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:57:03,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:57:05,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 297 states and 548 transitions. [2020-12-01 17:57:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 548 transitions. [2020-12-01 17:57:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:57:05,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:57:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:57:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 297 states and 547 transitions. [2020-12-01 17:57:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 547 transitions. [2020-12-01 17:57:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:57:06,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:06,862 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:06,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:07,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:57:07,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:57:10,900 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 230 iterations. [2020-12-01 17:57:11,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:57:11 ImpRootNode [2020-12-01 17:57:11,026 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:57:11,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:57:11,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:57:11,027 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:57:11,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:18" (3/4) ... [2020-12-01 17:57:11,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 17:57:11,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:57:11,033 INFO L168 Benchmark]: Toolchain (without parser) took 235905.41 ms. Allocated memory was 98.6 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 69.4 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 397.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,034 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:57:11,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.99 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.63 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 61.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,036 INFO L168 Benchmark]: Boogie Preprocessor took 82.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.1 MB in the beginning and 56.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,037 INFO L168 Benchmark]: RCFGBuilder took 2500.49 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 56.8 MB in the beginning and 93.8 MB in the end (delta: -37.0 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,037 INFO L168 Benchmark]: CodeCheck took 232559.89 ms. Allocated memory was 148.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 93.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 369.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,038 INFO L168 Benchmark]: Witness Printer took 5.80 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:11,041 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 203 locations, 31 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 232.3s, OverallIterations: 230, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1104323460 SDslu, -372684968 SDs, 0 SdLazy, -821793170 SolverSat, 906281070 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 382.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47884 GetRequests, 46200 SyntacticMatches, 694 SemanticMatches, 990 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518177 ImplicationChecksByTransitivity, 213.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 4705 NumberOfCodeBlocks, 4705 NumberOfCodeBlocksAsserted, 230 NumberOfCheckSat, 4449 ConstructedInterpolants, 0 QuantifiedInterpolants, 299619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 229 InterpolantComputations, 229 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 3. Possible FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; [L294] int status ; [L295] int irp = __VERIFIER_nondet_int() ; [L296] int pirp ; [L297] int pirp__IoStatus__Status ; [L298] int irp_choice = __VERIFIER_nondet_int() ; [L299] int devobj = __VERIFIER_nondet_int() ; [L300] int __cil_tmp8 ; [L302] KernelMode = 0 [L303] Executive = 0 [L304] DevicePowerState = 1 [L305] s = 0 [L306] UNLOADED = 0 [L307] NP = 0 [L308] DC = 0 [L309] SKIP1 = 0 [L310] SKIP2 = 0 [L311] MPR1 = 0 [L312] MPR3 = 0 [L313] IPC = 0 [L314] pended = 0 [L315] compFptr = 0 [L316] compRegistered = 0 [L317] lowerDriverReturn = 0 [L318] setEventCalled = 0 [L319] customIrp = 0 [L320] myStatus = 0 [L324] status = 0 [L325] pirp = irp [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L328] COND TRUE status >= 0 [L329] s = NP [L330] customIrp = 0 [L331] setEventCalled = customIrp [L332] lowerDriverReturn = setEventCalled [L333] compRegistered = lowerDriverReturn [L334] pended = compRegistered [L335] pirp__IoStatus__Status = 0 [L336] myStatus = 0 [L337] COND FALSE !(irp_choice == 0) [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L345] COND FALSE !(status < 0) [L349] int tmp_ndt_1; [L350] tmp_ndt_1 = __VERIFIER_nondet_int() [L351] COND FALSE !(tmp_ndt_1 == 0) [L354] int tmp_ndt_2; [L355] tmp_ndt_2 = __VERIFIER_nondet_int() [L356] COND FALSE !(tmp_ndt_2 == 1) [L359] int tmp_ndt_3; [L360] tmp_ndt_3 = __VERIFIER_nondet_int() [L361] COND TRUE tmp_ndt_3 == 3 [L80] int devExt ; [L81] int irpStack ; [L82] int status ; [L83] int event = __VERIFIER_nondet_int() ; [L84] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L85] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L86] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L87] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L88] int devExt__Started ; [L89] int devExt__Removed ; [L90] int devExt__SurpriseRemoved ; [L91] int Irp__IoStatus__Status ; [L92] int Irp__IoStatus__Information ; [L93] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L94] int irpSp ; [L95] int nextIrpSp ; [L96] int nextIrpSp__Control ; [L97] int irpSp___0 ; [L98] int irpSp__Context ; [L99] int irpSp__Control ; [L100] long __cil_tmp23 ; [L103] status = 0 [L104] devExt = DeviceObject__DeviceExtension [L105] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L106] COND FALSE !(irpStack__MinorFunction == 0) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L109] COND FALSE !(irpStack__MinorFunction == 23) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L112] COND TRUE irpStack__MinorFunction == 2 [L236] devExt__Removed = 1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L237] COND TRUE s == NP [L238] s = SKIP1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L245] Irp__CurrentLocation ++ [L246] Irp__Tail__Overlay__CurrentStackLocation ++ [L483] int returnVal2 ; [L484] int compRetStatus ; [L485] int lcontext = __VERIFIER_nondet_int() ; [L486] long long __cil_tmp7 ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L489] COND FALSE !(\read(compRegistered)) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L502] int tmp_ndt_6; [L503] tmp_ndt_6 = __VERIFIER_nondet_int() [L504] COND FALSE !(tmp_ndt_6 == 0) [L507] int tmp_ndt_7; [L508] tmp_ndt_7 = __VERIFIER_nondet_int() [L509] COND TRUE tmp_ndt_7 == 1 [L518] returnVal2 = -1073741823 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L528] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L532] COND FALSE !(s == MPR1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L541] COND TRUE s == SKIP1 [L542] s = SKIP2 [L543] lowerDriverReturn = returnVal2 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L551] return (returnVal2); [L248] status = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L290] return (status); [L388] status = KbFilter_PnP(devobj, pirp) [L412] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L420] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L428] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L429] COND TRUE status != -1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L430] COND FALSE !(s != SKIP2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L440] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L447] COND FALSE !(s == DC) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L452] COND TRUE status != lowerDriverReturn VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L3] __assert_fail("0", "kbfiltr_simpl2.cil-2.c", 3, "reach_error") VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.99 ms. Allocated memory is still 98.6 MB. Free memory was 69.3 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 159.63 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 61.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.80 ms. Allocated memory is still 98.6 MB. Free memory was 61.1 MB in the beginning and 56.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2500.49 ms. Allocated memory was 98.6 MB in the beginning and 148.9 MB in the end (delta: 50.3 MB). Free memory was 56.8 MB in the beginning and 93.8 MB in the end (delta: -37.0 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. * CodeCheck took 232559.89 ms. Allocated memory was 148.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 93.8 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 369.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.80 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:57:14,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:57:14,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:57:14,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:57:14,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:57:14,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:57:14,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:57:14,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:57:14,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:57:14,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:57:14,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:57:14,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:57:14,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:57:14,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:57:14,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:57:14,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:57:14,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:57:14,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:57:14,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:57:14,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:57:14,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:57:14,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:57:14,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:57:14,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:57:14,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:57:14,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:57:14,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:57:14,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:57:14,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:57:14,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:57:14,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:57:14,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:57:14,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:57:14,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:57:14,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:57:14,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:57:14,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:57:14,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:57:14,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:57:14,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:57:14,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:57:14,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2020-12-01 17:57:14,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:57:14,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:57:14,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:57:14,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:57:14,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:57:14,605 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:57:14,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:57:14,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:57:14,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:57:14,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:57:14,607 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:57:14,608 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:57:14,608 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:57:14,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:57:14,609 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:57:14,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:57:14,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:57:14,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:57:14,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:57:14,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:57:14,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:57:14,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:57:14,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:57:14,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:57:14,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:57:14,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:57:14,612 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:57:14,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:57:14,612 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:57:14,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:57:14,613 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf978f501147b566a0f6f3e817c934f24352e71 [2020-12-01 17:57:15,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:57:15,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:57:15,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:57:15,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:57:15,189 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:57:15,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 17:57:15,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/36b6b6945/7a8c8e10c867473c9b78a987bbe8996d/FLAG519275a20 [2020-12-01 17:57:16,275 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:57:16,281 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 17:57:16,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/36b6b6945/7a8c8e10c867473c9b78a987bbe8996d/FLAG519275a20 [2020-12-01 17:57:16,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/data/36b6b6945/7a8c8e10c867473c9b78a987bbe8996d [2020-12-01 17:57:16,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:57:16,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:57:16,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:57:16,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:57:16,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:57:16,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:57:16" (1/1) ... [2020-12-01 17:57:16,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f59d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:16, skipping insertion in model container [2020-12-01 17:57:16,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:57:16" (1/1) ... [2020-12-01 17:57:16,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:57:16,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:57:16,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:57:16,876 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:57:17,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:57:17,063 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:57:17,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17 WrapperNode [2020-12-01 17:57:17,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:57:17,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:57:17,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:57:17,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:57:17,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:57:17,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:57:17,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:57:17,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:57:17,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... [2020-12-01 17:57:17,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:57:17,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:57:17,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:57:17,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:57:17,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_860c960c-0e3b-4bf5-9234-f5e8688e0faa/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:57:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:57:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:57:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:57:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:57:17,892 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,903 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,926 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,932 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,936 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,952 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,965 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,969 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,978 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,984 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,988 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:17,996 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:57:19,427 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-12-01 17:57:19,428 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-12-01 17:57:19,428 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-12-01 17:57:19,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-12-01 17:57:19,431 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-12-01 17:57:19,432 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-12-01 17:57:19,432 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-12-01 17:57:19,433 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-12-01 17:57:19,433 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-12-01 17:57:19,433 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-12-01 17:57:19,435 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-12-01 17:57:19,436 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-12-01 17:57:19,436 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-12-01 17:57:19,436 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-12-01 17:57:19,437 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-12-01 17:57:19,437 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-12-01 17:57:19,437 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-12-01 17:57:19,437 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-12-01 17:57:19,438 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-12-01 17:57:19,438 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-12-01 17:57:19,438 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-12-01 17:57:19,438 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-12-01 17:57:19,438 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-12-01 17:57:19,439 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-12-01 17:57:20,703 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:57:20,704 INFO L298 CfgBuilder]: Removed 214 assume(true) statements. [2020-12-01 17:57:20,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:57:20 BoogieIcfgContainer [2020-12-01 17:57:20,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:57:20,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:57:20,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:57:20,725 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:57:20,726 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:57:20" (1/1) ... [2020-12-01 17:57:20,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:57:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:57:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 203 states and 306 transitions. [2020-12-01 17:57:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2020-12-01 17:57:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:57:20,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:57:20,874 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:57:20,885 INFO L168 Benchmark]: Toolchain (without parser) took 4394.62 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 36.1 MB in the beginning and 72.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,887 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:57:20,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.27 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 37.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.54 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 31.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,895 INFO L168 Benchmark]: Boogie Preprocessor took 151.27 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 27.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,896 INFO L168 Benchmark]: RCFGBuilder took 3352.87 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 27.2 MB in the beginning and 77.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,898 INFO L168 Benchmark]: CodeCheck took 171.34 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 72.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:57:20,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory was 40.3 MB in the beginning and 40.3 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.27 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 37.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.54 ms. Allocated memory is still 58.7 MB. Free memory was 37.2 MB in the beginning and 31.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.27 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 27.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3352.87 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 27.2 MB in the beginning and 77.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * CodeCheck took 171.34 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 72.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...