./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:56,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:56,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:57,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:57,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:57,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:57,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:57,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:57,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:57,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:57,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:57,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:57,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:57,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:57,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:57,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:57,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:57,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:57,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:57,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:57,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:57,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:57,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:57,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:57,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:57,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:57,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:57,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:57,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:57,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:57,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:57,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:57,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:57,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:57,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:57,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:57,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:57,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:57,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:57,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:57,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:57,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:09:57,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:57,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:57,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:57,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:57,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:57,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:57,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:57,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:57,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:57,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:57,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:57,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:57,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:57,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:57,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:57,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:57,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:57,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:57,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:57,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:57,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:57,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:57,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:57,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:57,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:57,140 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:57,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:57,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:57,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5446997f7b2d7b76d63a39784df785fb06bbab562e365ba547eeee8a855e283e [2021-11-23 01:09:57,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:57,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:57,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:57,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:57,454 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:57,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2021-11-23 01:09:57,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/data/8e4d359df/5c62256ba3354f19bcd55dd4062cc080/FLAGea1d4104b [2021-11-23 01:09:58,035 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:58,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c [2021-11-23 01:09:58,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/data/8e4d359df/5c62256ba3354f19bcd55dd4062cc080/FLAGea1d4104b [2021-11-23 01:09:58,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/data/8e4d359df/5c62256ba3354f19bcd55dd4062cc080 [2021-11-23 01:09:58,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:58,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:58,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:58,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:58,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:58,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1366219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58, skipping insertion in model container [2021-11-23 01:09:58,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:58,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:58,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2021-11-23 01:09:58,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:58,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:58,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/sv-benchmarks/c/array-cav19/array_tiling_tcpy.c[408,421] [2021-11-23 01:09:58,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:58,750 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:58,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58 WrapperNode [2021-11-23 01:09:58,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:58,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:58,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:58,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:58,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,796 INFO L137 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2021-11-23 01:09:58,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:58,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:58,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:58,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:58,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:58,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:58,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:58,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:58,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:58" (1/1) ... [2021-11-23 01:09:58,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:58,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:58,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:58,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9449a24-ea14-42fc-b7be-748f8546dcef/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:58,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:58,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:09:58,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:09:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:09:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:09:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:58,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:09:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:09:59,006 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:59,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:59,169 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:59,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:59,221 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:09:59,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:59 BoogieIcfgContainer [2021-11-23 01:09:59,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:59,226 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:59,226 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:59,238 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:59,238 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:59" (1/1) ... [2021-11-23 01:09:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:09:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-11-23 01:09:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-23 01:09:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:09:59,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:59,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:59,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-11-23 01:09:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-11-23 01:09:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:09:59,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:59,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 25 transitions. [2021-11-23 01:10:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-23 01:10:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:10:00,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 34 transitions. [2021-11-23 01:10:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2021-11-23 01:10:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:10:01,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:01,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:02,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 34 transitions. [2021-11-23 01:10:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:10:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:10:03,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:03,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:06,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 48 transitions. [2021-11-23 01:10:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-11-23 01:10:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:06,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:06,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 34 states and 66 transitions. [2021-11-23 01:10:09,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2021-11-23 01:10:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:10:09,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:09,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 63 transitions. [2021-11-23 01:10:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2021-11-23 01:10:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:10:09,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:09,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 53 transitions. [2021-11-23 01:10:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-11-23 01:10:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:10:11,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:11,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 67 transitions. [2021-11-23 01:10:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2021-11-23 01:10:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:10:14,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:14,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 75 transitions. [2021-11-23 01:10:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-11-23 01:10:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:10:17,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:17,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 76 transitions. [2021-11-23 01:10:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-11-23 01:10:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:10:18,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:18,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2021-11-23 01:10:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:10:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:10:21,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 82 transitions. [2021-11-23 01:10:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 82 transitions. [2021-11-23 01:10:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:10:22,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:22,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 84 transitions. [2021-11-23 01:10:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2021-11-23 01:10:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:23,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:23,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:29,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 97 transitions. [2021-11-23 01:10:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2021-11-23 01:10:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:29,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:29,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 93 transitions. [2021-11-23 01:10:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2021-11-23 01:10:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:10:31,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:31,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:10:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 78 transitions. [2021-11-23 01:10:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2021-11-23 01:10:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:10:34,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:34,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 85 transitions. [2021-11-23 01:10:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-23 01:10:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:10:42,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:42,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 87 transitions. [2021-11-23 01:10:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2021-11-23 01:10:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:43,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:43,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 85 transitions. [2021-11-23 01:10:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-23 01:10:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:47,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:47,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:10:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 89 transitions. [2021-11-23 01:10:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2021-11-23 01:10:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:10:49,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:49,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 72 states and 111 transitions. [2021-11-23 01:11:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2021-11-23 01:11:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:11:00,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:00,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 73 states and 112 transitions. [2021-11-23 01:11:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2021-11-23 01:11:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:11:01,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:01,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 130 transitions. [2021-11-23 01:11:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 130 transitions. [2021-11-23 01:11:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:11:13,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:13,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:11:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 84 states and 131 transitions. [2021-11-23 01:11:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2021-11-23 01:11:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:11:14,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 82 states and 127 transitions. [2021-11-23 01:11:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2021-11-23 01:11:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:19,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:19,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 88 states and 134 transitions. [2021-11-23 01:11:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2021-11-23 01:11:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:27,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:27,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 89 states and 136 transitions. [2021-11-23 01:11:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2021-11-23 01:11:28,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:11:28,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:28,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 90 states and 137 transitions. [2021-11-23 01:11:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-23 01:11:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:11:30,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:30,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 154 transitions. [2021-11-23 01:11:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2021-11-23 01:11:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:11:47,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 102 states and 158 transitions. [2021-11-23 01:11:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2021-11-23 01:11:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:11:53,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:53,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:53,728 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 101 states and 156 transitions. [2021-11-23 01:11:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2021-11-23 01:11:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:11:55,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:55,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:11:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 156 transitions. [2021-11-23 01:11:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2021-11-23 01:11:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:11:56,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:56,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 152 transitions. [2021-11-23 01:12:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2021-11-23 01:12:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:12:01,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:01,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 151 transitions. [2021-11-23 01:12:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2021-11-23 01:12:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:12:03,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:03,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 101 states and 152 transitions. [2021-11-23 01:12:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2021-11-23 01:12:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:05,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:05,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 107 states and 159 transitions. [2021-11-23 01:12:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2021-11-23 01:12:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:17,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:17,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 181 transitions. [2021-11-23 01:12:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 181 transitions. [2021-11-23 01:12:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:35,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:35,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 183 transitions. [2021-11-23 01:12:37,377 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2021-11-23 01:12:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:37,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:37,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 125 states and 184 transitions. [2021-11-23 01:12:39,803 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2021-11-23 01:12:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:12:39,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:39,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:12:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 184 transitions. [2021-11-23 01:12:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 184 transitions. [2021-11-23 01:12:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:12:41,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:41,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 139 states and 205 transitions. [2021-11-23 01:13:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2021-11-23 01:13:05,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:13:05,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:05,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 138 states and 203 transitions. [2021-11-23 01:13:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 203 transitions. [2021-11-23 01:13:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:13:11,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:11,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 140 states and 204 transitions. [2021-11-23 01:13:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-11-23 01:13:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:13:14,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:14,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 142 states and 208 transitions. [2021-11-23 01:13:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2021-11-23 01:13:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:13:19,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:19,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 142 states and 207 transitions. [2021-11-23 01:13:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 207 transitions. [2021-11-23 01:13:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:13:24,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:24,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 140 states and 203 transitions. [2021-11-23 01:13:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 203 transitions. [2021-11-23 01:13:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:13:38,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:38,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:13:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:41,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 143 states and 205 transitions. [2021-11-23 01:13:41,875 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 205 transitions. [2021-11-23 01:13:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:13:41,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:41,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 149 states and 212 transitions. [2021-11-23 01:14:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 212 transitions. [2021-11-23 01:14:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:14:01,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:01,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:05,927 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 162 states and 236 transitions. [2021-11-23 01:14:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 236 transitions. [2021-11-23 01:14:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:14:38,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:38,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:14:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 238 transitions. [2021-11-23 01:14:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 238 transitions. [2021-11-23 01:14:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:14:41,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:41,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 165 states and 239 transitions. [2021-11-23 01:14:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 239 transitions. [2021-11-23 01:14:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:14:46,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:46,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 238 transitions. [2021-11-23 01:14:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2021-11-23 01:14:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:14:55,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:55,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 164 states and 236 transitions. [2021-11-23 01:15:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 236 transitions. [2021-11-23 01:15:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:15:05,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:05,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 166 states and 240 transitions. [2021-11-23 01:15:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 240 transitions. [2021-11-23 01:15:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:15:11,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:11,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 166 states and 239 transitions. [2021-11-23 01:15:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2021-11-23 01:15:30,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:15:30,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:30,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 1 proven. 102 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:15:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 164 states and 235 transitions. [2021-11-23 01:15:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 235 transitions. [2021-11-23 01:15:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:15:46,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:46,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:16:20,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:20,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 179 states and 257 transitions. [2021-11-23 01:16:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 257 transitions. [2021-11-23 01:16:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:16:20,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:16:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 182 states and 258 transitions. [2021-11-23 01:16:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 258 transitions. [2021-11-23 01:16:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:16:27,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:27,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:38,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 183 states and 260 transitions. [2021-11-23 01:16:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 260 transitions. [2021-11-23 01:16:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:16:38,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:38,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 194 states and 276 transitions. [2021-11-23 01:17:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 276 transitions. [2021-11-23 01:17:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:19,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:19,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 115 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 196 states and 277 transitions. [2021-11-23 01:17:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 277 transitions. [2021-11-23 01:17:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:17:25,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 202 states and 284 transitions. [2021-11-23 01:17:39,182 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 284 transitions. [2021-11-23 01:17:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:17:39,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 122 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 203 states and 286 transitions. [2021-11-23 01:17:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 286 transitions. [2021-11-23 01:17:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:17:52,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:52,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 122 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 202 states and 284 transitions. [2021-11-23 01:17:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 284 transitions. [2021-11-23 01:17:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:17:56,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 210 states and 292 transitions. [2021-11-23 01:18:30,953 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 292 transitions. [2021-11-23 01:18:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:18:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 210 states and 291 transitions. [2021-11-23 01:18:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 291 transitions. [2021-11-23 01:18:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:44,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:44,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 1 proven. 132 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 213 states and 297 transitions. [2021-11-23 01:19:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 297 transitions. [2021-11-23 01:19:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:14,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 2 proven. 142 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 210 states and 291 transitions. [2021-11-23 01:19:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 291 transitions. [2021-11-23 01:19:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:28,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 223 states and 310 transitions. [2021-11-23 01:20:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 310 transitions. [2021-11-23 01:20:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:23,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:23,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 224 states and 312 transitions. [2021-11-23 01:20:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2021-11-23 01:20:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:32,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 147 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:20:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 224 states and 311 transitions. [2021-11-23 01:20:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 311 transitions. [2021-11-23 01:20:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:20:50,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:50,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 223 states and 309 transitions. [2021-11-23 01:21:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 309 transitions. [2021-11-23 01:21:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:21:06,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:06,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 223 states and 308 transitions. [2021-11-23 01:21:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 308 transitions. [2021-11-23 01:21:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:21:20,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:20,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 1 proven. 154 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 318 transitions. [2021-11-23 01:21:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 318 transitions. [2021-11-23 01:21:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:21:42,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:42,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 127 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.