./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/heavy-2.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_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/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_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/heavy-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/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_cf785587-3333-48c1-9537-95509c66ec4b/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 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:35,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:35,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:35,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:35,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:35,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:35,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:35,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:35,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:35,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:35,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:35,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:35,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:35,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:35,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:35,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:35,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:35,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:35,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:35,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:35,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:35,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:35,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:35,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:35,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:35,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:35,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:35,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:35,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:35,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:35,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:35,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:35,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:35,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:35,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:35,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:35,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:35,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:35,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:35,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:35,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:35,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:21:35,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:35,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:35,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:21:35,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:21:35,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:35,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:35,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:35,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:35,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:35,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:35,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:35,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:21:35,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:35,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:21:35,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:35,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:21:35,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:35,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:21:35,846 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:35,846 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:35,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:35,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:35,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:35,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:35,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:21:35,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:35,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:35,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:21:35,849 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_cf785587-3333-48c1-9537-95509c66ec4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26cfb5016cc2fdf76245f73dcfd6db92bad09f670b983fa3e94b365d8471a941 [2021-11-22 23:21:36,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:36,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:36,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:36,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:36,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:36,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops/heavy-2.c [2021-11-22 23:21:36,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/data/e4b392fe4/5dc481a54a8543689570b9593ebb508d/FLAG66583202b [2021-11-22 23:21:36,759 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:36,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/sv-benchmarks/c/loops/heavy-2.c [2021-11-22 23:21:36,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/data/e4b392fe4/5dc481a54a8543689570b9593ebb508d/FLAG66583202b [2021-11-22 23:21:37,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/data/e4b392fe4/5dc481a54a8543689570b9593ebb508d [2021-11-22 23:21:37,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:37,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:37,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:37,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:37,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:37,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a07170b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37, skipping insertion in model container [2021-11-22 23:21:37,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:37,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:37,378 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_cf785587-3333-48c1-9537-95509c66ec4b/sv-benchmarks/c/loops/heavy-2.c[600,613] [2021-11-22 23:21:37,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:37,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:37,458 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_cf785587-3333-48c1-9537-95509c66ec4b/sv-benchmarks/c/loops/heavy-2.c[600,613] [2021-11-22 23:21:37,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:37,532 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:37,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37 WrapperNode [2021-11-22 23:21:37,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:37,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:37,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:37,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:37,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,570 INFO L137 Inliner]: procedures = 12, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-22 23:21:37,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:37,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:37,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:37,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:37,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:37,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:37,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:37,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:37,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:37" (1/1) ... [2021-11-22 23:21:37,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:37,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:37,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf785587-3333-48c1-9537-95509c66ec4b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:21:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:21:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:37,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:21:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:21:37,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 23:21:37,785 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:37,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:37,978 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:38,009 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:38,009 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:21:38,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:38 BoogieIcfgContainer [2021-11-22 23:21:38,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:38,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:38,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:38,047 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:38,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:38" (1/1) ... [2021-11-22 23:21:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-22 23:21:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-22 23:21:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:21:38,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-22 23:21:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-22 23:21:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:38,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-22 23:21:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-22 23:21:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:21:38,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:21:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:21:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:21:38,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-22 23:21:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-22 23:21:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:21:38,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-22 23:21:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-22 23:21:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:38,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-22 23:21:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-22 23:21:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:39,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-22 23:21:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-22 23:21:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:39,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-22 23:21:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-22 23:21:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:39,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:39,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-22 23:21:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-22 23:21:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:40,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:40,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-22 23:21:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-22 23:21:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:40,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:40,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-22 23:21:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-22 23:21:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:21:40,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:40,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-22 23:21:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-22 23:21:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:21:41,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:41,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-22 23:21:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-22 23:21:41,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:21:41,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:41,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-22 23:21:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-22 23:21:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:42,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-22 23:21:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-22 23:21:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:21:42,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-11-22 23:21:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-22 23:21:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:43,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:43,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-11-22 23:21:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-22 23:21:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:43,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:43,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2021-11-22 23:21:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-22 23:21:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:21:44,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2021-11-22 23:21:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-22 23:21:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:21:45,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:45,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:45,674 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-22 23:21:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-22 23:21:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:21:45,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:45,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:46,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-22 23:21:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-22 23:21:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:21:46,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:46,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-22 23:21:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-22 23:21:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:21:47,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:47,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:48,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2021-11-22 23:21:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-22 23:21:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:21:48,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:48,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2021-11-22 23:21:49,172 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-22 23:21:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:21:49,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2021-11-22 23:21:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-11-22 23:21:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:21:50,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-22 23:21:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-22 23:21:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:21:51,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-22 23:21:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-22 23:21:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:52,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:52,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2021-11-22 23:21:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-11-22 23:21:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:21:53,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:53,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2021-11-22 23:21:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-11-22 23:21:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:21:54,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:54,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2021-11-22 23:21:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-11-22 23:21:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:21:55,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:55,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2021-11-22 23:21:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2021-11-22 23:21:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:21:56,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:56,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2021-11-22 23:21:58,151 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-11-22 23:21:58,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:21:58,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:58,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2021-11-22 23:21:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-11-22 23:21:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:21:59,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:59,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-22 23:22:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-22 23:22:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:22:00,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:00,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2021-11-22 23:22:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-11-22 23:22:02,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:22:02,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:02,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2021-11-22 23:22:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2021-11-22 23:22:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:22:03,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:03,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-22 23:22:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-22 23:22:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:22:05,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:05,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-22 23:22:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-22 23:22:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:22:07,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-22 23:22:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-22 23:22:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:22:08,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:08,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-22 23:22:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-22 23:22:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:22:10,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:10,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-22 23:22:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-22 23:22:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:22:12,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:12,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-22 23:22:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-22 23:22:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:22:14,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:14,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-22 23:22:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-22 23:22:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:22:16,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-22 23:22:18,227 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-22 23:22:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:22:18,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-22 23:22:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-22 23:22:20,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:22:20,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:20,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:22,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2021-11-22 23:22:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2021-11-22 23:22:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:22:22,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:22,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2021-11-22 23:22:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2021-11-22 23:22:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:22:24,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:24,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:27,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2021-11-22 23:22:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2021-11-22 23:22:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:22:27,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:27,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2021-11-22 23:22:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2021-11-22 23:22:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:22:30,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:30,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2021-11-22 23:22:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2021-11-22 23:22:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:22:32,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:32,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2021-11-22 23:22:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2021-11-22 23:22:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:22:35,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:35,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2021-11-22 23:22:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2021-11-22 23:22:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:22:37,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:37,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2021-11-22 23:22:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2021-11-22 23:22:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:22:40,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:40,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2021-11-22 23:22:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2021-11-22 23:22:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:22:43,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:43,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:46,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2021-11-22 23:22:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-22 23:22:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:22:46,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:46,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2021-11-22 23:22:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2021-11-22 23:22:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:22:49,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:49,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2021-11-22 23:22:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2021-11-22 23:22:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:22:52,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:52,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2021-11-22 23:22:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2021-11-22 23:22:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:22:56,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2021-11-22 23:22:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2021-11-22 23:22:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:22:59,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2021-11-22 23:23:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2021-11-22 23:23:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:23:02,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2021-11-22 23:23:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2021-11-22 23:23:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:23:06,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:06,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2021-11-22 23:23:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2021-11-22 23:23:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:23:09,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:09,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2021-11-22 23:23:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2021-11-22 23:23:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:23:13,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:13,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2021-11-22 23:23:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2021-11-22 23:23:17,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:23:17,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2021-11-22 23:23:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-22 23:23:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:23:21,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2021-11-22 23:23:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2021-11-22 23:23:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:23:25,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:25,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2021-11-22 23:23:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2021-11-22 23:23:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:23:29,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:33,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2021-11-22 23:23:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-11-22 23:23:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:23:33,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:33,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2021-11-22 23:23:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2021-11-22 23:23:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:23:37,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:37,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2021-11-22 23:23:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2021-11-22 23:23:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:23:42,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 80 states and 84 transitions. [2021-11-22 23:23:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2021-11-22 23:23:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:23:46,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 81 states and 85 transitions. [2021-11-22 23:23:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2021-11-22 23:23:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:23:51,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:56,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 82 states and 86 transitions. [2021-11-22 23:23:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2021-11-22 23:23:56,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:23:56,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:56,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 83 states and 87 transitions. [2021-11-22 23:24:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2021-11-22 23:24:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:24:00,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 84 states and 88 transitions. [2021-11-22 23:24:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2021-11-22 23:24:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:24:05,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:05,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 85 states and 89 transitions. [2021-11-22 23:24:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2021-11-22 23:24:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:24:10,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 86 states and 90 transitions. [2021-11-22 23:24:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2021-11-22 23:24:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:24:16,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:16,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:21,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 87 states and 91 transitions. [2021-11-22 23:24:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2021-11-22 23:24:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:21,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 88 states and 92 transitions. [2021-11-22 23:24:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2021-11-22 23:24:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:24:27,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 89 states and 93 transitions. [2021-11-22 23:24:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-11-22 23:24:32,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:24:32,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 90 states and 94 transitions. [2021-11-22 23:24:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2021-11-22 23:24:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:24:38,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 91 states and 95 transitions. [2021-11-22 23:24:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2021-11-22 23:24:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:24:44,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 92 states and 96 transitions. [2021-11-22 23:24:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2021-11-22 23:24:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:24:50,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 93 states and 97 transitions. [2021-11-22 23:24:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2021-11-22 23:24:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:24:56,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 94 states and 98 transitions. [2021-11-22 23:25:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2021-11-22 23:25:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:25:03,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 95 states and 99 transitions. [2021-11-22 23:25:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2021-11-22 23:25:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:25:10,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 96 states and 100 transitions. [2021-11-22 23:25:17,026 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2021-11-22 23:25:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:25:17,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 97 states and 101 transitions. [2021-11-22 23:25:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2021-11-22 23:25:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:25:24,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 98 states and 102 transitions. [2021-11-22 23:25:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2021-11-22 23:25:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:25:31,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 99 states and 103 transitions. [2021-11-22 23:25:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2021-11-22 23:25:39,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:25:39,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 100 states and 104 transitions. [2021-11-22 23:25:47,894 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2021-11-22 23:25:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:25:47,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:47,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 101 states and 105 transitions. [2021-11-22 23:25:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2021-11-22 23:25:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:25:55,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:55,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 102 states and 106 transitions. [2021-11-22 23:26:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2021-11-22 23:26:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:26:03,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 103 states and 107 transitions. [2021-11-22 23:26:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2021-11-22 23:26:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:26:10,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2021-11-22 23:26:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2021-11-22 23:26:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:26:18,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:18,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 105 states and 109 transitions. [2021-11-22 23:26:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2021-11-22 23:26:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:26:26,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2021-11-22 23:26:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2021-11-22 23:26:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:26:34,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:34,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:42,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 111 transitions. [2021-11-22 23:26:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-11-22 23:26:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:26:42,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:42,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 112 transitions. [2021-11-22 23:26:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-11-22 23:26:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:26:51,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:51,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:00,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 109 states and 113 transitions. [2021-11-22 23:27:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2021-11-22 23:27:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:27:00,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:00,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 110 states and 114 transitions. [2021-11-22 23:27:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2021-11-22 23:27:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:27:08,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:08,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 111 states and 115 transitions. [2021-11-22 23:27:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2021-11-22 23:27:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:27:18,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:18,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 112 states and 116 transitions. [2021-11-22 23:27:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2021-11-22 23:27:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:27:27,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:27,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 113 states and 117 transitions. [2021-11-22 23:27:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2021-11-22 23:27:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:27:36,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:36,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 114 states and 118 transitions. [2021-11-22 23:27:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2021-11-22 23:27:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:27:46,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:46,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 115 states and 119 transitions. [2021-11-22 23:27:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2021-11-22 23:27:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 23:27:55,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:55,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 116 states and 120 transitions. [2021-11-22 23:28:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2021-11-22 23:28:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:28:05,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:05,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 117 states and 121 transitions. [2021-11-22 23:28:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2021-11-22 23:28:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:28:15,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 118 states and 122 transitions. [2021-11-22 23:28:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2021-11-22 23:28:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:28:25,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:25,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:35,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 119 states and 123 transitions. [2021-11-22 23:28:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2021-11-22 23:28:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:28:35,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:35,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 120 states and 124 transitions. [2021-11-22 23:28:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2021-11-22 23:28:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:28:46,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:46,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 121 states and 125 transitions. [2021-11-22 23:28:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2021-11-22 23:28:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:28:56,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:56,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 122 states and 126 transitions. [2021-11-22 23:29:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2021-11-22 23:29:07,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:29:07,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:07,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 123 states and 127 transitions. [2021-11-22 23:29:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-11-22 23:29:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:29:18,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:18,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 124 states and 128 transitions. [2021-11-22 23:29:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2021-11-22 23:29:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:29:29,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:29,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:40,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 125 states and 129 transitions. [2021-11-22 23:29:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2021-11-22 23:29:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:29:40,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:40,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2021-11-22 23:29:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2021-11-22 23:29:52,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:29:52,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:52,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 127 states and 131 transitions. [2021-11-22 23:30:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2021-11-22 23:30:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:30:04,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:04,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2021-11-22 23:30:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2021-11-22 23:30:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:30:16,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:16,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2021-11-22 23:30:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2021-11-22 23:30:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:30:28,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:28,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2021-11-22 23:30:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2021-11-22 23:30:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:30:40,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:40,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2021-11-22 23:30:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2021-11-22 23:30:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:30:53,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:53,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:05,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2021-11-22 23:31:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2021-11-22 23:31:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:31:05,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 133 states and 137 transitions. [2021-11-22 23:31:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2021-11-22 23:31:18,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:31:18,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 7505 backedges. 2 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2021-11-22 23:31:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2021-11-22 23:31:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:31:31,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:31,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7628 backedges. 2 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2021-11-22 23:31:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2021-11-22 23:31:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:31:45,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 136 states and 140 transitions. [2021-11-22 23:31:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 140 transitions. [2021-11-22 23:31:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:31:58,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7877 backedges. 2 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2021-11-22 23:32:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2021-11-22 23:32:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:32:12,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:12,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 2 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2021-11-22 23:32:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2021-11-22 23:32:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:32:26,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:26,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat