./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/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_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:32,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:32,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:32,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:32,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:32,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:32,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:32,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:32,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:32,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:32,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:32,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:32,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:32,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:32,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:32,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:32,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:32,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:32,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:32,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:32,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:32,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:32,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:32,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:32,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:32,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:32,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:32,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:32,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:32,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:32,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:32,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:32,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:32,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:32,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:32,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:32,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:32,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:32,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:32,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:32,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:32,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:32:32,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:32,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:32,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:32,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:32,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:32,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:32,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:32:32,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:32,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:32,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:32,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:32,948 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:32,948 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:32,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:32,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:32,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:32,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:32,949 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:32,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:32,949 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_3923d0fc-b856-463e-95c0-7363ea52f1f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d [2021-11-23 01:32:33,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:33,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:33,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:33,221 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:33,223 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:33,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2021-11-23 01:32:33,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/data/979443eb8/b776974388fe4ebc907dd66c79dcf256/FLAG56dbd7a72 [2021-11-23 01:32:33,830 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:33,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2021-11-23 01:32:33,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/data/979443eb8/b776974388fe4ebc907dd66c79dcf256/FLAG56dbd7a72 [2021-11-23 01:32:34,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/data/979443eb8/b776974388fe4ebc907dd66c79dcf256 [2021-11-23 01:32:34,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:34,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:34,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:34,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:34,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:34,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329d65c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34, skipping insertion in model container [2021-11-23 01:32:34,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:34,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:32:34,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:34,512 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:32:34,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:34,621 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:32:34,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34 WrapperNode [2021-11-23 01:32:34,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:34,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:34,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:32:34,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:32:34,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,669 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2021-11-23 01:32:34,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:34,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:32:34,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:32:34,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:32:34,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:32:34,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:32:34,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:32:34,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:32:34,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:34" (1/1) ... [2021-11-23 01:32:34,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:34,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:32:34,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:32:34,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3923d0fc-b856-463e-95c0-7363ea52f1f4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:32:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:32:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:32:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:32:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:32:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:32:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:32:34,937 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:32:34,939 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:32:35,214 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:32:35,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:32:35,271 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:32:35,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:35 BoogieIcfgContainer [2021-11-23 01:32:35,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:32:35,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:32:35,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:32:35,300 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:32:35,301 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:35" (1/1) ... [2021-11-23 01:32:35,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:32:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:32:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:32:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:32:35,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:35,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2021-11-23 01:32:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2021-11-23 01:32:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:32:35,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:35,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2021-11-23 01:32:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2021-11-23 01:32:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:32:35,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:35,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2021-11-23 01:32:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2021-11-23 01:32:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:32:36,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2021-11-23 01:32:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-23 01:32:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:32:36,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2021-11-23 01:32:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2021-11-23 01:32:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:32:36,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-23 01:32:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-23 01:32:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:32:37,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 49 states and 70 transitions. [2021-11-23 01:32:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-11-23 01:32:38,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:32:38,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:38,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2021-11-23 01:32:39,445 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2021-11-23 01:32:39,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:32:39,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2021-11-23 01:32:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2021-11-23 01:32:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:32:39,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:39,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:40,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2021-11-23 01:32:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2021-11-23 01:32:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:32:40,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:40,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 98 transitions. [2021-11-23 01:32:41,874 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2021-11-23 01:32:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:32:41,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:41,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2021-11-23 01:32:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2021-11-23 01:32:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:32:42,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:42,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 109 transitions. [2021-11-23 01:32:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2021-11-23 01:32:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:32:44,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 111 transitions. [2021-11-23 01:32:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2021-11-23 01:32:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:32:44,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2021-11-23 01:32:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2021-11-23 01:32:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:32:45,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2021-11-23 01:32:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2021-11-23 01:32:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:32:46,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 124 transitions. [2021-11-23 01:32:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 124 transitions. [2021-11-23 01:32:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:47,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2021-11-23 01:32:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-11-23 01:32:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:48,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2021-11-23 01:32:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2021-11-23 01:32:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:48,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2021-11-23 01:32:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2021-11-23 01:32:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:49,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:49,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 122 transitions. [2021-11-23 01:32:49,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2021-11-23 01:32:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:49,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:49,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:49,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2021-11-23 01:32:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-11-23 01:32:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:50,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:50,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:51,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2021-11-23 01:32:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2021-11-23 01:32:51,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:51,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:51,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2021-11-23 01:32:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2021-11-23 01:32:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:53,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:55,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2021-11-23 01:32:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-23 01:32:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:55,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:55,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2021-11-23 01:32:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2021-11-23 01:32:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:56,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:56,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2021-11-23 01:32:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-11-23 01:32:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:32:58,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:58,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 68 states and 113 transitions. [2021-11-23 01:32:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 113 transitions. [2021-11-23 01:32:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:32:59,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:59,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-23 01:32:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-23 01:32:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:32:59,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:59,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2021-11-23 01:33:00,678 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2021-11-23 01:33:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:33:00,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:00,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2021-11-23 01:33:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2021-11-23 01:33:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:33:02,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:02,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2021-11-23 01:33:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2021-11-23 01:33:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:02,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:02,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2021-11-23 01:33:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2021-11-23 01:33:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:04,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:04,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:05,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2021-11-23 01:33:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2021-11-23 01:33:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:05,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:05,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 82 states and 141 transitions. [2021-11-23 01:33:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2021-11-23 01:33:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:07,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2021-11-23 01:33:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2021-11-23 01:33:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:33:07,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 150 transitions. [2021-11-23 01:33:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 150 transitions. [2021-11-23 01:33:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:12,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:12,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2021-11-23 01:33:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2021-11-23 01:33:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:13,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 95 states and 173 transitions. [2021-11-23 01:33:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 173 transitions. [2021-11-23 01:33:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:14,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 97 states and 176 transitions. [2021-11-23 01:33:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 176 transitions. [2021-11-23 01:33:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:15,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 99 states and 178 transitions. [2021-11-23 01:33:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 178 transitions. [2021-11-23 01:33:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:15,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:33:17,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 183 transitions. [2021-11-23 01:33:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2021-11-23 01:33:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:17,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:17,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 107 states and 196 transitions. [2021-11-23 01:33:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2021-11-23 01:33:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:21,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:21,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:33:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 108 states and 198 transitions. [2021-11-23 01:33:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 198 transitions. [2021-11-23 01:33:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:22,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:25,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 112 states and 206 transitions. [2021-11-23 01:33:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 206 transitions. [2021-11-23 01:33:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:25,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:25,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 113 states and 208 transitions. [2021-11-23 01:33:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 208 transitions. [2021-11-23 01:33:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:26,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:26,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 119 states and 226 transitions. [2021-11-23 01:33:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 226 transitions. [2021-11-23 01:33:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:32,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:32,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 120 states and 226 transitions. [2021-11-23 01:33:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 226 transitions. [2021-11-23 01:33:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:33,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:33,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 125 states and 240 transitions. [2021-11-23 01:33:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2021-11-23 01:33:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:36,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:36,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 125 states and 237 transitions. [2021-11-23 01:33:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 237 transitions. [2021-11-23 01:33:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:37,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:33:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 108 states and 199 transitions. [2021-11-23 01:33:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 199 transitions. [2021-11-23 01:33:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:39,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:39,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 110 states and 205 transitions. [2021-11-23 01:33:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2021-11-23 01:33:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:41,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:41,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:33:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 106 states and 194 transitions. [2021-11-23 01:33:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 194 transitions. [2021-11-23 01:33:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:43,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:43,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 108 states and 197 transitions. [2021-11-23 01:33:44,742 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 197 transitions. [2021-11-23 01:33:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:44,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:44,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:45,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 110 states and 201 transitions. [2021-11-23 01:33:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 201 transitions. [2021-11-23 01:33:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:45,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:45,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 116 states and 218 transitions. [2021-11-23 01:33:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 218 transitions. [2021-11-23 01:33:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:57,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:57,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 121 states and 228 transitions. [2021-11-23 01:34:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 228 transitions. [2021-11-23 01:34:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:34:04,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:04,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 125 states and 240 transitions. [2021-11-23 01:34:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 240 transitions. [2021-11-23 01:34:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:34:06,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:06,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 127 states and 242 transitions. [2021-11-23 01:34:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2021-11-23 01:34:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:34:07,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 128 states and 242 transitions. [2021-11-23 01:34:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 242 transitions. [2021-11-23 01:34:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:34:09,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:09,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 136 states and 259 transitions. [2021-11-23 01:34:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 259 transitions. [2021-11-23 01:34:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:34:21,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:21,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:34:23,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 203 transitions. [2021-11-23 01:34:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2021-11-23 01:34:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:34:23,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:23,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2021-11-23 01:34:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2021-11-23 01:34:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:34:25,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:25,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:34:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2021-11-23 01:34:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2021-11-23 01:34:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:34:39,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:39,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:56,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 133 states and 236 transitions. [2021-11-23 01:34:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 236 transitions. [2021-11-23 01:34:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:34:56,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:56,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 137 states and 253 transitions. [2021-11-23 01:35:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 253 transitions. [2021-11-23 01:35:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:35:00,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:35:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 137 states and 248 transitions. [2021-11-23 01:35:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 248 transitions. [2021-11-23 01:35:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:35:01,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:01,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:35:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:05,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 139 states and 250 transitions. [2021-11-23 01:35:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 250 transitions. [2021-11-23 01:35:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:35:05,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:05,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:35:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 251 transitions. [2021-11-23 01:35:08,012 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 251 transitions. [2021-11-23 01:35:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:08,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:35:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 275 transitions. [2021-11-23 01:35:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2021-11-23 01:35:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:28,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:28,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:35:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 151 states and 280 transitions. [2021-11-23 01:35:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 280 transitions. [2021-11-23 01:35:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:30,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:30,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:35:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 283 transitions. [2021-11-23 01:35:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 283 transitions. [2021-11-23 01:35:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:36,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:36,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:35:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 156 states and 286 transitions. [2021-11-23 01:35:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 286 transitions. [2021-11-23 01:35:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:35:42,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:42,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:35:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 162 states and 299 transitions. [2021-11-23 01:35:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 299 transitions. [2021-11-23 01:35:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:52,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:52,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:35:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 163 states and 301 transitions. [2021-11-23 01:35:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 301 transitions. [2021-11-23 01:35:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:54,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:54,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:35:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 163 states and 300 transitions. [2021-11-23 01:35:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 300 transitions. [2021-11-23 01:35:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:35:56,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:56,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:36:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:15,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 327 transitions. [2021-11-23 01:36:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 327 transitions. [2021-11-23 01:36:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:36:15,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:15,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 172 states and 326 transitions. [2021-11-23 01:36:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 326 transitions. [2021-11-23 01:36:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:36:17,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:17,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:36:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 171 states and 325 transitions. [2021-11-23 01:36:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 325 transitions. [2021-11-23 01:36:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:36:19,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:36:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 173 states and 329 transitions. [2021-11-23 01:36:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 329 transitions. [2021-11-23 01:36:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:36:24,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:24,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:36:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 183 states and 349 transitions. [2021-11-23 01:36:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 349 transitions. [2021-11-23 01:36:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:36:41,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:41,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 189 states and 367 transitions. [2021-11-23 01:37:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 367 transitions. [2021-11-23 01:37:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:01,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:01,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:37:18,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 192 states and 371 transitions. [2021-11-23 01:37:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 371 transitions. [2021-11-23 01:37:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:18,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:37:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 196 states and 380 transitions. [2021-11-23 01:37:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 380 transitions. [2021-11-23 01:37:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:26,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:26,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 198 states and 381 transitions. [2021-11-23 01:37:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 381 transitions. [2021-11-23 01:37:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:30,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:30,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 200 states and 386 transitions. [2021-11-23 01:37:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 386 transitions. [2021-11-23 01:37:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:39,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:39,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:41,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 202 states and 388 transitions. [2021-11-23 01:37:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 388 transitions. [2021-11-23 01:37:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:37:41,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:41,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:38:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 213 states and 416 transitions. [2021-11-23 01:38:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 416 transitions. [2021-11-23 01:38:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:07,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:07,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 218 states and 425 transitions. [2021-11-23 01:38:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 425 transitions. [2021-11-23 01:38:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:18,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:18,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 225 states and 437 transitions. [2021-11-23 01:38:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 437 transitions. [2021-11-23 01:38:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:36,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:36,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:38:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 226 states and 437 transitions. [2021-11-23 01:38:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 437 transitions. [2021-11-23 01:38:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:38:38,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:38,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:38:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 227 states and 437 transitions. [2021-11-23 01:38:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 437 transitions. [2021-11-23 01:38:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:41,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:41,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:38:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 232 states and 449 transitions. [2021-11-23 01:38:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 449 transitions. [2021-11-23 01:38:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:56,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:56,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:39:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 241 states and 468 transitions. [2021-11-23 01:39:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 468 transitions. [2021-11-23 01:39:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:20,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:20,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:39:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 244 states and 476 transitions. [2021-11-23 01:39:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 476 transitions. [2021-11-23 01:39:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:34,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:34,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:39:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 248 states and 493 transitions. [2021-11-23 01:39:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 493 transitions. [2021-11-23 01:39:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:45,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:45,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:39:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 250 states and 496 transitions. [2021-11-23 01:39:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 496 transitions. [2021-11-23 01:39:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:51,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:51,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:40:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 254 states and 503 transitions. [2021-11-23 01:40:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 503 transitions. [2021-11-23 01:40:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:00,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:00,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:40:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 255 states and 506 transitions. [2021-11-23 01:40:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 506 transitions. [2021-11-23 01:40:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:04,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:04,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 263 states and 537 transitions. [2021-11-23 01:40:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 537 transitions. [2021-11-23 01:40:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:41,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:41,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:40:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 253 states and 515 transitions. [2021-11-23 01:40:44,497 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 515 transitions. [2021-11-23 01:40:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:44,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:44,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 254 states and 516 transitions. [2021-11-23 01:40:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 516 transitions. [2021-11-23 01:40:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:47,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:47,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 255 states and 521 transitions. [2021-11-23 01:40:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 521 transitions. [2021-11-23 01:40:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:40:51,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:51,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:41:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 260 states and 533 transitions. [2021-11-23 01:41:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 533 transitions. [2021-11-23 01:41:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:06,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:06,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:41:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 261 states and 537 transitions. [2021-11-23 01:41:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 537 transitions. [2021-11-23 01:41:15,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:15,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:15,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:41:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 266 states and 542 transitions. [2021-11-23 01:41:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 542 transitions. [2021-11-23 01:41:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:24,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:24,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:41:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 268 states and 544 transitions. [2021-11-23 01:41:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 544 transitions. [2021-11-23 01:41:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:29,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:29,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:41:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 270 states and 546 transitions. [2021-11-23 01:41:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 546 transitions. [2021-11-23 01:41:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:34,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:34,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:41:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 272 states and 547 transitions. [2021-11-23 01:41:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 547 transitions. [2021-11-23 01:41:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:40,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:40,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:41:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:44,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 273 states and 548 transitions. [2021-11-23 01:41:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 548 transitions. [2021-11-23 01:41:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:41:44,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:44,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 284 states and 572 transitions. [2021-11-23 01:42:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 572 transitions. [2021-11-23 01:42:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:42:27,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:27,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 288 states and 578 transitions. [2021-11-23 01:42:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 578 transitions. [2021-11-23 01:42:43,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:42:43,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:43,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:42:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 289 states and 579 transitions. [2021-11-23 01:42:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 579 transitions. [2021-11-23 01:42:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:42:47,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:47,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:43:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 294 states and 590 transitions. [2021-11-23 01:43:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 590 transitions. [2021-11-23 01:43:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:03,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:03,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:43:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 294 states and 589 transitions. [2021-11-23 01:43:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 589 transitions. [2021-11-23 01:43:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:06,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:06,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:43:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 294 states and 588 transitions. [2021-11-23 01:43:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 588 transitions. [2021-11-23 01:43:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:09,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:09,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:43:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 296 states and 589 transitions. [2021-11-23 01:43:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 589 transitions. [2021-11-23 01:43:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:15,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:15,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:43:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 300 states and 599 transitions. [2021-11-23 01:43:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 599 transitions. [2021-11-23 01:43:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:27,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:27,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:43:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 300 states and 598 transitions. [2021-11-23 01:43:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 598 transitions. [2021-11-23 01:43:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:30,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:30,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:43:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 302 states and 599 transitions. [2021-11-23 01:43:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 599 transitions. [2021-11-23 01:43:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:36,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:36,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:43:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 304 states and 601 transitions. [2021-11-23 01:43:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 601 transitions. [2021-11-23 01:43:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:42,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:42,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:43:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 304 states and 600 transitions. [2021-11-23 01:43:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 600 transitions. [2021-11-23 01:43:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:43:45,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:44:04,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 313 states and 619 transitions. [2021-11-23 01:44:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 619 transitions. [2021-11-23 01:44:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:04,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.