./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label51.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_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/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_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/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_c2501766-6445-453b-b8b0-5b9ce99fbba3/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 df07a51f7e516d27edfc43ba7975842330a5e8f5d0694898dfea4c8b236ae732 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:52,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:52,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:52,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:52,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:52,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:52,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:52,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:52,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:52,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:52,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:52,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:52,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:52,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:52,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:52,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:52,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:52,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:52,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:52,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:52,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:52,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:52,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:52,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:52,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:52,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:52,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:52,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:52,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:52,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:52,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:52,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:52,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:52,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:52,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:52,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:52,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:52,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:52,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:52,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:52,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:52,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:52,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:52,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:52,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:52,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:52,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:52,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:52,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:52,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:52,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:52,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:52,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:52,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:52,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:52,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:52,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:52,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:52,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:52,704 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:52,704 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:52,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:52,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:52,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:52,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:52,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:52,705 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:52,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:52,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:52,706 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_c2501766-6445-453b-b8b0-5b9ce99fbba3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df07a51f7e516d27edfc43ba7975842330a5e8f5d0694898dfea4c8b236ae732 [2021-11-23 00:59:53,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:53,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:53,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:53,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:53,097 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:53,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem02_label51.c [2021-11-23 00:59:53,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/data/f571e4899/27637b92cbb34f9691145dd812a94716/FLAG2450c7c00 [2021-11-23 00:59:53,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:53,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/sv-benchmarks/c/eca-rers2012/Problem02_label51.c [2021-11-23 00:59:53,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/data/f571e4899/27637b92cbb34f9691145dd812a94716/FLAG2450c7c00 [2021-11-23 00:59:53,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/data/f571e4899/27637b92cbb34f9691145dd812a94716 [2021-11-23 00:59:54,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:54,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:54,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:54,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:54,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:54,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:53" (1/1) ... [2021-11-23 00:59:54,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3b172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54, skipping insertion in model container [2021-11-23 00:59:54,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:53" (1/1) ... [2021-11-23 00:59:54,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:54,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:54,489 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_c2501766-6445-453b-b8b0-5b9ce99fbba3/sv-benchmarks/c/eca-rers2012/Problem02_label51.c[17924,17937] [2021-11-23 00:59:54,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:54,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:54,682 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_c2501766-6445-453b-b8b0-5b9ce99fbba3/sv-benchmarks/c/eca-rers2012/Problem02_label51.c[17924,17937] [2021-11-23 00:59:54,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:54,735 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:54,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54 WrapperNode [2021-11-23 00:59:54,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:54,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:54,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:54,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:54,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,829 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-23 00:59:54,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:54,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:54,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:54,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:54,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:54,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:54,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:54,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:54,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:54" (1/1) ... [2021-11-23 00:59:54,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:54,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:54,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:54,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:55,124 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:55,126 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:56,238 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:56,485 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:56,486 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:59:56,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:56 BoogieIcfgContainer [2021-11-23 00:59:56,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:56,491 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:56,491 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:56,500 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:56,501 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:56" (1/1) ... [2021-11-23 00:59:56,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2021-11-23 00:59:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2021-11-23 00:59:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:59:56,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2021-11-23 00:59:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2021-11-23 00:59:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:59:57,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2021-11-23 00:59:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2021-11-23 00:59:58,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:59:58,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2021-11-23 00:59:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2021-11-23 00:59:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:59:58,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2021-11-23 00:59:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2021-11-23 00:59:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:59:58,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:59:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2021-11-23 00:59:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2021-11-23 00:59:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:59:58,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,983 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2021-11-23 00:59:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2021-11-23 00:59:59,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:59:59,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2021-11-23 00:59:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2021-11-23 00:59:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:59:59,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2021-11-23 00:59:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2021-11-23 00:59:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:59:59,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 386 states and 495 transitions. [2021-11-23 01:00:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2021-11-23 01:00:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:00,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 410 states and 522 transitions. [2021-11-23 01:00:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 522 transitions. [2021-11-23 01:00:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:00,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:00:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 428 states and 542 transitions. [2021-11-23 01:00:01,136 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 542 transitions. [2021-11-23 01:00:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:01,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 442 states and 557 transitions. [2021-11-23 01:00:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 557 transitions. [2021-11-23 01:00:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 01:00:01,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 449 states and 564 transitions. [2021-11-23 01:00:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 564 transitions. [2021-11-23 01:00:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 01:00:01,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:00:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 455 states and 572 transitions. [2021-11-23 01:00:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 572 transitions. [2021-11-23 01:00:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:00:01,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 462 states and 579 transitions. [2021-11-23 01:00:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 579 transitions. [2021-11-23 01:00:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:00:01,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 476 states and 597 transitions. [2021-11-23 01:00:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 597 transitions. [2021-11-23 01:00:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:00:01,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:00:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 491 states and 615 transitions. [2021-11-23 01:00:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 615 transitions. [2021-11-23 01:00:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:00:02,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:00:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 522 states and 648 transitions. [2021-11-23 01:00:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 648 transitions. [2021-11-23 01:00:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:00:02,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 532 states and 659 transitions. [2021-11-23 01:00:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 659 transitions. [2021-11-23 01:00:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:00:02,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:00:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 535 states and 662 transitions. [2021-11-23 01:00:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2021-11-23 01:00:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:00:02,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 614 states and 747 transitions. [2021-11-23 01:00:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 747 transitions. [2021-11-23 01:00:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:00:03,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 631 states and 763 transitions. [2021-11-23 01:00:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 763 transitions. [2021-11-23 01:00:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:00:03,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 662 states and 801 transitions. [2021-11-23 01:00:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 801 transitions. [2021-11-23 01:00:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:00:04,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:04,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:00:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 695 states and 837 transitions. [2021-11-23 01:00:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 837 transitions. [2021-11-23 01:00:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:00:04,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:04,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:00:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 746 states and 895 transitions. [2021-11-23 01:00:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 895 transitions. [2021-11-23 01:00:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 01:00:05,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:00:05,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 749 states and 898 transitions. [2021-11-23 01:00:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 898 transitions. [2021-11-23 01:00:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:00:05,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:00:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 775 states and 929 transitions. [2021-11-23 01:00:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 929 transitions. [2021-11-23 01:00:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:00:06,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 806 states and 963 transitions. [2021-11-23 01:00:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 963 transitions. [2021-11-23 01:00:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:00:06,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 823 states and 979 transitions. [2021-11-23 01:00:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 979 transitions. [2021-11-23 01:00:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:00:06,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 830 states and 986 transitions. [2021-11-23 01:00:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 986 transitions. [2021-11-23 01:00:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 01:00:07,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:07,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 873 states and 1034 transitions. [2021-11-23 01:00:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1034 transitions. [2021-11-23 01:00:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:00:07,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,027 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 907 states and 1070 transitions. [2021-11-23 01:00:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1070 transitions. [2021-11-23 01:00:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:00:08,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,540 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:00:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 924 states and 1086 transitions. [2021-11-23 01:00:08,764 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1086 transitions. [2021-11-23 01:00:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:00:08,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:00:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 933 states and 1095 transitions. [2021-11-23 01:00:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1095 transitions. [2021-11-23 01:00:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 01:00:08,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:00:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 970 states and 1134 transitions. [2021-11-23 01:00:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1134 transitions. [2021-11-23 01:00:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:00:09,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:00:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 972 states and 1137 transitions. [2021-11-23 01:00:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1137 transitions. [2021-11-23 01:00:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 01:00:09,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:00:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 973 states and 1137 transitions. [2021-11-23 01:00:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1137 transitions. [2021-11-23 01:00:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 01:00:09,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:10,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 999 states and 1166 transitions. [2021-11-23 01:00:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1166 transitions. [2021-11-23 01:00:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:00:10,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:00:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1000 states and 1166 transitions. [2021-11-23 01:00:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1166 transitions. [2021-11-23 01:00:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 01:00:10,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:00:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1069 states and 1243 transitions. [2021-11-23 01:00:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1243 transitions. [2021-11-23 01:00:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 01:00:12,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-23 01:00:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1082 states and 1256 transitions. [2021-11-23 01:00:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1256 transitions. [2021-11-23 01:00:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:00:12,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-23 01:00:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1167 states and 1349 transitions. [2021-11-23 01:00:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1349 transitions. [2021-11-23 01:00:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:00:13,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:13,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:00:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1238 states and 1426 transitions. [2021-11-23 01:00:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1426 transitions. [2021-11-23 01:00:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 01:00:15,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,556 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:00:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1271 states and 1463 transitions. [2021-11-23 01:00:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1463 transitions. [2021-11-23 01:00:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 01:00:16,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:16,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-23 01:00:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1272 states and 1463 transitions. [2021-11-23 01:00:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1463 transitions. [2021-11-23 01:00:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-23 01:00:16,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:16,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,484 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 212 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:00:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1354 states and 1556 transitions. [2021-11-23 01:00:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1556 transitions. [2021-11-23 01:00:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:00:17,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:17,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1384 states and 1587 transitions. [2021-11-23 01:00:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1587 transitions. [2021-11-23 01:00:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:00:18,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1397 states and 1599 transitions. [2021-11-23 01:00:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1599 transitions. [2021-11-23 01:00:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 01:00:18,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:00:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1440 states and 1646 transitions. [2021-11-23 01:00:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1646 transitions. [2021-11-23 01:00:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:00:18,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:00:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1518 states and 1727 transitions. [2021-11-23 01:00:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1727 transitions. [2021-11-23 01:00:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:00:20,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:20,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:00:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1521 states and 1729 transitions. [2021-11-23 01:00:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1729 transitions. [2021-11-23 01:00:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 01:00:20,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:20,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 167 proven. 4 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-23 01:00:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1540 states and 1751 transitions. [2021-11-23 01:00:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1751 transitions. [2021-11-23 01:00:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:00:21,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-11-23 01:00:21,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1548 states and 1759 transitions. [2021-11-23 01:00:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1759 transitions. [2021-11-23 01:00:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:00:21,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:00:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1674 states and 1894 transitions. [2021-11-23 01:00:24,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 1894 transitions. [2021-11-23 01:00:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:00:24,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:24,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:00:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1694 states and 1913 transitions. [2021-11-23 01:00:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1913 transitions. [2021-11-23 01:00:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:00:25,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-23 01:00:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1705 states and 1927 transitions. [2021-11-23 01:00:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1927 transitions. [2021-11-23 01:00:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 01:00:25,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-11-23 01:00:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1713 states and 1935 transitions. [2021-11-23 01:00:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1935 transitions. [2021-11-23 01:00:25,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:00:25,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:00:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1819 states and 2048 transitions. [2021-11-23 01:00:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2048 transitions. [2021-11-23 01:00:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:00:29,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:00:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1822 states and 2050 transitions. [2021-11-23 01:00:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2050 transitions. [2021-11-23 01:00:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:00:29,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 01:00:30,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1825 states and 2052 transitions. [2021-11-23 01:00:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2052 transitions. [2021-11-23 01:00:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:00:30,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 01:00:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1828 states and 2054 transitions. [2021-11-23 01:00:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2054 transitions. [2021-11-23 01:00:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:00:30,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-23 01:00:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1879 states and 2109 transitions. [2021-11-23 01:00:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2109 transitions. [2021-11-23 01:00:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:00:31,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:31,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-23 01:00:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1911 states and 2141 transitions. [2021-11-23 01:00:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2141 transitions. [2021-11-23 01:00:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 01:00:32,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:32,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-11-23 01:00:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1581 states and 1774 transitions. [2021-11-23 01:00:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1774 transitions. [2021-11-23 01:00:32,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:00:32,831 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 65 iterations. [2021-11-23 01:00:32,839 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:00:39,330 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-23 01:00:39,349 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2021-11-23 01:00:39,351 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:00:39,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:00:39 ImpRootNode [2021-11-23 01:00:39,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:00:39,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:00:39,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:00:39,353 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:00:39,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:56" (3/4) ... [2021-11-23 01:00:39,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:00:39,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2021-11-23 01:00:39,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 01:00:39,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:00:39,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:00:39,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:00:39,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:00:39,551 INFO L158 Benchmark]: Toolchain (without parser) took 45549.39ms. Allocated memory was 88.1MB in the beginning and 528.5MB in the end (delta: 440.4MB). Free memory was 52.3MB in the beginning and 324.8MB in the end (delta: -272.5MB). Peak memory consumption was 166.2MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,552 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:00:39,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.48ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 68.6MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.22ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 63.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,553 INFO L158 Benchmark]: Boogie Preprocessor took 77.75ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,554 INFO L158 Benchmark]: RCFGBuilder took 1580.53ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 61.6MB in the end (delta: -2.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,554 INFO L158 Benchmark]: CodeCheck took 42861.86ms. Allocated memory was 109.1MB in the beginning and 528.5MB in the end (delta: 419.4MB). Free memory was 61.6MB in the beginning and 340.5MB in the end (delta: -278.9MB). Peak memory consumption was 249.9MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,555 INFO L158 Benchmark]: Witness Printer took 197.56ms. Allocated memory is still 528.5MB. Free memory was 340.5MB in the beginning and 324.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:00:39,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.3s, OverallIterations: 65, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117959 SdHoareTripleChecker+Valid, 288.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117391 mSDsluCounter, 15192 SdHoareTripleChecker+Invalid, 237.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12742 mSDsCounter, 34949 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261514 IncrementalHoareTripleChecker+Invalid, 296463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34949 mSolverCounterUnsat, 2450 mSDtfsCounter, 261514 mSolverCounterSat, 2.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76555 GetRequests, 74859 SyntacticMatches, 1254 SemanticMatches, 442 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102619 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 11466 NumberOfCodeBlocks, 11466 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 11402 ConstructedInterpolants, 0 QuantifiedInterpolants, 34753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 64 InterpolantComputations, 55 PerfectInterpolantSequences, 10656/10938 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 512]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.48ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 68.6MB in the end (delta: -16.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.22ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 63.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.75ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1580.53ms. Allocated memory is still 109.1MB. Free memory was 59.3MB in the beginning and 61.6MB in the end (delta: -2.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * CodeCheck took 42861.86ms. Allocated memory was 109.1MB in the beginning and 528.5MB in the end (delta: 419.4MB). Free memory was 61.6MB in the beginning and 340.5MB in the end (delta: -278.9MB). Peak memory consumption was 249.9MB. Max. memory is 16.1GB. * Witness Printer took 197.56ms. Allocated memory is still 528.5MB. Free memory was 340.5MB in the beginning and 324.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:00:39,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2501766-6445-453b-b8b0-5b9ce99fbba3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE