./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.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_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/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_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/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_1f4ac3e6-8ff9-4921-816a-50afac14be9a/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 6e14aa3eeddc5d261248d26114db1375e0f229d6456e2c7754877a082dc10921 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:02,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:02,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:02,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:02,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:02,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:02,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:02,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:02,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:02,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:02,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:02,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:02,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:02,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:02,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:02,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:02,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:02,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:02,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:02,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:02,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:02,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:02,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:02,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:02,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:02,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:02,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:02,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:02,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:02,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:02,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:02,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:02,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:02,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:02,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:02,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:02,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:02,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:02,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:02,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:02,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:02,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:17:02,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:02,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:02,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:02,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:02,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:02,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:02,909 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:17:02,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:02,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:02,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:02,911 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:17:02,911 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:17:02,912 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:17:02,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:02,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:02,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:02,913 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:02,913 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:02,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:02,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:02,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:02,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:02,915 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:02,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:02,915 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_1f4ac3e6-8ff9-4921-816a-50afac14be9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e14aa3eeddc5d261248d26114db1375e0f229d6456e2c7754877a082dc10921 [2021-11-23 01:17:03,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:03,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:03,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:03,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:03,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:03,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2021-11-23 01:17:03,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/data/494175669/452ba63262114b75a87f38ef07c3f057/FLAG3eaa25575 [2021-11-23 01:17:03,908 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:03,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/sv-benchmarks/c/memsafety-ext/tree_parent_ptr.i [2021-11-23 01:17:03,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/data/494175669/452ba63262114b75a87f38ef07c3f057/FLAG3eaa25575 [2021-11-23 01:17:04,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/data/494175669/452ba63262114b75a87f38ef07c3f057 [2021-11-23 01:17:04,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:04,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:04,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:04,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:04,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:04,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3767ac84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04, skipping insertion in model container [2021-11-23 01:17:04,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:04,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:04,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:04,704 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:04,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:04,789 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:04,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04 WrapperNode [2021-11-23 01:17:04,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:04,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:04,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:04,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:04,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,842 INFO L137 Inliner]: procedures = 123, calls = 49, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 149 [2021-11-23 01:17:04,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:04,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:04,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:04,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:04,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:04,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:04,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:04,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:04,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:04" (1/1) ... [2021-11-23 01:17:04,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:04,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:04,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f4ac3e6-8ff9-4921-816a-50afac14be9a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:17:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:17:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:17:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:17:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:05,128 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:05,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:05,643 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:05,697 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:05,697 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:17:05,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:05 BoogieIcfgContainer [2021-11-23 01:17:05,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:05,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:05,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:05,712 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:05,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:05" (1/1) ... [2021-11-23 01:17:05,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:05,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 132 states and 142 transitions. [2021-11-23 01:17:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 142 transitions. [2021-11-23 01:17:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:17:05,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:05,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:05,939 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 01:17:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 131 states and 141 transitions. [2021-11-23 01:17:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 141 transitions. [2021-11-23 01:17:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:17:05,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:05,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,051 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 01:17:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2021-11-23 01:17:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2021-11-23 01:17:06,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:17:06,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,204 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 01:17:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2021-11-23 01:17:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2021-11-23 01:17:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:17:06,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,305 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 01:17:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2021-11-23 01:17:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2021-11-23 01:17:06,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:17:06,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,389 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 01:17:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2021-11-23 01:17:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2021-11-23 01:17:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:17:06,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,435 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 01:17:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2021-11-23 01:17:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2021-11-23 01:17:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:17:06,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,494 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 01:17:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 129 states and 142 transitions. [2021-11-23 01:17:06,531 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2021-11-23 01:17:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:17:06,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,588 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 01:17:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 132 states and 150 transitions. [2021-11-23 01:17:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 150 transitions. [2021-11-23 01:17:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:06,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,777 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 01:17:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 131 states and 149 transitions. [2021-11-23 01:17:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2021-11-23 01:17:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:06,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:06,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:06,897 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 01:17:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 130 states and 148 transitions. [2021-11-23 01:17:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 148 transitions. [2021-11-23 01:17:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,067 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 01:17:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 129 states and 147 transitions. [2021-11-23 01:17:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2021-11-23 01:17:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:07,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,144 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 01:17:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 128 states and 146 transitions. [2021-11-23 01:17:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 146 transitions. [2021-11-23 01:17:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:07,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,199 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 01:17:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 127 states and 145 transitions. [2021-11-23 01:17:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2021-11-23 01:17:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:07,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,274 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 01:17:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 129 states and 148 transitions. [2021-11-23 01:17:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2021-11-23 01:17:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:17:07,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,420 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 01:17:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2021-11-23 01:17:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2021-11-23 01:17:07,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:17:07,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,562 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 01:17:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2021-11-23 01:17:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2021-11-23 01:17:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:07,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,719 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 01:17:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 133 states and 157 transitions. [2021-11-23 01:17:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2021-11-23 01:17:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:07,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:07,828 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 01:17:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 135 states and 161 transitions. [2021-11-23 01:17:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2021-11-23 01:17:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:08,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,062 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 01:17:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 136 states and 162 transitions. [2021-11-23 01:17:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2021-11-23 01:17:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:17:08,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,432 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 01:17:08,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 164 transitions. [2021-11-23 01:17:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2021-11-23 01:17:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:08,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,733 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 01:17:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:08,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 166 transitions. [2021-11-23 01:17:08,993 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2021-11-23 01:17:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:08,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:08,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,202 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 01:17:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 141 states and 172 transitions. [2021-11-23 01:17:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2021-11-23 01:17:09,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:09,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:09,969 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 01:17:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 143 states and 176 transitions. [2021-11-23 01:17:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2021-11-23 01:17:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:09,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:09,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,061 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 01:17:10,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 145 states and 181 transitions. [2021-11-23 01:17:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 181 transitions. [2021-11-23 01:17:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:10,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,501 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 01:17:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 146 states and 182 transitions. [2021-11-23 01:17:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2021-11-23 01:17:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:10,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,535 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 01:17:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 147 states and 186 transitions. [2021-11-23 01:17:10,631 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2021-11-23 01:17:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:10,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,646 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 01:17:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 148 states and 188 transitions. [2021-11-23 01:17:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2021-11-23 01:17:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:10,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,691 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 01:17:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 152 states and 194 transitions. [2021-11-23 01:17:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2021-11-23 01:17:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:11,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,104 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 01:17:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 151 states and 193 transitions. [2021-11-23 01:17:11,125 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 193 transitions. [2021-11-23 01:17:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:11,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,176 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 01:17:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 152 states and 194 transitions. [2021-11-23 01:17:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2021-11-23 01:17:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:11,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,259 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 01:17:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 153 states and 194 transitions. [2021-11-23 01:17:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 194 transitions. [2021-11-23 01:17:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:11,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,563 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 01:17:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 157 states and 204 transitions. [2021-11-23 01:17:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 204 transitions. [2021-11-23 01:17:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:12,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:12,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:12,252 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 01:17:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 156 states and 203 transitions. [2021-11-23 01:17:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 203 transitions. [2021-11-23 01:17:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:12,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:12,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:12,285 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 01:17:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 157 states and 205 transitions. [2021-11-23 01:17:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2021-11-23 01:17:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:12,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:12,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:12,503 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 01:17:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 162 states and 213 transitions. [2021-11-23 01:17:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 213 transitions. [2021-11-23 01:17:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:13,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:13,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:13,836 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 01:17:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 161 states and 212 transitions. [2021-11-23 01:17:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 212 transitions. [2021-11-23 01:17:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:13,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:13,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:13,886 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 01:17:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 163 states and 218 transitions. [2021-11-23 01:17:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 218 transitions. [2021-11-23 01:17:13,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:13,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:13,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:14,102 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 01:17:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 165 states and 222 transitions. [2021-11-23 01:17:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 222 transitions. [2021-11-23 01:17:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:14,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:14,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:15,085 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 01:17:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 167 states and 226 transitions. [2021-11-23 01:17:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2021-11-23 01:17:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:16,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,331 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 01:17:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 225 transitions. [2021-11-23 01:17:16,848 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2021-11-23 01:17:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:16,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,864 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 01:17:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 165 states and 224 transitions. [2021-11-23 01:17:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 224 transitions. [2021-11-23 01:17:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:16,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,897 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 01:17:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2021-11-23 01:17:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2021-11-23 01:17:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:16,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:16,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,925 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 01:17:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 167 states and 228 transitions. [2021-11-23 01:17:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 228 transitions. [2021-11-23 01:17:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:17:17,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:17,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:17,210 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 01:17:17,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 169 states and 231 transitions. [2021-11-23 01:17:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2021-11-23 01:17:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:17,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:17,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,358 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 01:17:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 179 states and 247 transitions. [2021-11-23 01:17:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 247 transitions. [2021-11-23 01:17:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:21,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:21,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:22,282 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 01:17:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 189 states and 261 transitions. [2021-11-23 01:17:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2021-11-23 01:17:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:26,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:26,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,752 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 01:17:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 191 states and 265 transitions. [2021-11-23 01:17:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2021-11-23 01:17:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:27,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:27,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:28,277 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 01:17:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:29,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 193 states and 269 transitions. [2021-11-23 01:17:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2021-11-23 01:17:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:29,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:29,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 200 states and 284 transitions. [2021-11-23 01:17:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 284 transitions. [2021-11-23 01:17:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:32,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:32,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:17:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 207 states and 299 transitions. [2021-11-23 01:17:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2021-11-23 01:17:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:34,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:34,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:34,825 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 01:17:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 303 transitions. [2021-11-23 01:17:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 303 transitions. [2021-11-23 01:17:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:37,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:37,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:37,852 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 01:17:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 211 states and 307 transitions. [2021-11-23 01:17:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 307 transitions. [2021-11-23 01:17:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:39,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:39,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:39,908 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 01:17:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 212 states and 309 transitions. [2021-11-23 01:17:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 309 transitions. [2021-11-23 01:17:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:40,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:40,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:40,416 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 01:17:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 214 states and 312 transitions. [2021-11-23 01:17:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 312 transitions. [2021-11-23 01:17:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:41,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,106 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 01:17:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 314 transitions. [2021-11-23 01:17:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 314 transitions. [2021-11-23 01:17:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:41,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:41,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:41,664 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 01:17:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 217 states and 317 transitions. [2021-11-23 01:17:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 317 transitions. [2021-11-23 01:17:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:42,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:42,234 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 01:17:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 218 states and 319 transitions. [2021-11-23 01:17:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 319 transitions. [2021-11-23 01:17:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:42,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:42,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:43,724 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 01:17:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 220 states and 324 transitions. [2021-11-23 01:17:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2021-11-23 01:17:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:45,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,221 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 01:17:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 219 states and 323 transitions. [2021-11-23 01:17:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2021-11-23 01:17:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:45,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:45,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,476 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 01:17:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 218 states and 322 transitions. [2021-11-23 01:17:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2021-11-23 01:17:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:46,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:46,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 220 states and 326 transitions. [2021-11-23 01:17:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 326 transitions. [2021-11-23 01:17:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:49,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,632 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 01:17:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 222 states and 330 transitions. [2021-11-23 01:17:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 330 transitions. [2021-11-23 01:17:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:53,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:53,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:53,690 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 01:17:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 226 states and 338 transitions. [2021-11-23 01:17:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 338 transitions. [2021-11-23 01:17:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:56,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:57,040 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 01:17:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 228 states and 347 transitions. [2021-11-23 01:17:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 347 transitions. [2021-11-23 01:17:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:17:59,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:59,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,438 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 01:18:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 227 states and 346 transitions. [2021-11-23 01:18:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 346 transitions. [2021-11-23 01:18:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:00,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:00,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:00,583 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 01:18:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 229 states and 348 transitions. [2021-11-23 01:18:01,934 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 348 transitions. [2021-11-23 01:18:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:01,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:01,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:01,951 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 01:18:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 230 states and 350 transitions. [2021-11-23 01:18:02,575 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 350 transitions. [2021-11-23 01:18:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:02,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:02,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:02,600 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 01:18:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 232 states and 353 transitions. [2021-11-23 01:18:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 353 transitions. [2021-11-23 01:18:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:03,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,380 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 01:18:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 232 states and 352 transitions. [2021-11-23 01:18:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 352 transitions. [2021-11-23 01:18:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:04,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:04,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:04,300 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 01:18:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 238 states and 359 transitions. [2021-11-23 01:18:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 359 transitions. [2021-11-23 01:18:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:08,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:08,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:09,741 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 01:18:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 240 states and 362 transitions. [2021-11-23 01:18:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 362 transitions. [2021-11-23 01:18:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:10,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,902 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 01:18:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 239 states and 361 transitions. [2021-11-23 01:18:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 361 transitions. [2021-11-23 01:18:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:10,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,933 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 01:18:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 238 states and 360 transitions. [2021-11-23 01:18:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 360 transitions. [2021-11-23 01:18:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:10,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,962 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 01:18:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 237 states and 359 transitions. [2021-11-23 01:18:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 359 transitions. [2021-11-23 01:18:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:11,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:11,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,758 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 01:18:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 236 states and 358 transitions. [2021-11-23 01:18:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 358 transitions. [2021-11-23 01:18:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:12,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,468 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 01:18:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 240 states and 366 transitions. [2021-11-23 01:18:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 366 transitions. [2021-11-23 01:18:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:18:16,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:16,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:17,962 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 01:18:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 242 states and 374 transitions. [2021-11-23 01:18:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 374 transitions. [2021-11-23 01:18:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:20,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:22,532 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 01:18:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 259 states and 405 transitions. [2021-11-23 01:18:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 405 transitions. [2021-11-23 01:18:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:36,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:36,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:36,331 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 01:18:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 261 states and 409 transitions. [2021-11-23 01:18:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 409 transitions. [2021-11-23 01:18:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:37,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:37,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:37,844 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 01:18:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 263 states and 413 transitions. [2021-11-23 01:18:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 413 transitions. [2021-11-23 01:18:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,494 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 01:18:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 261 states and 410 transitions. [2021-11-23 01:18:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 410 transitions. [2021-11-23 01:18:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:18:40,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,925 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 01:18:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 265 states and 418 transitions. [2021-11-23 01:18:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 418 transitions. [2021-11-23 01:18:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:45,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,054 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 01:18:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 268 states and 429 transitions. [2021-11-23 01:18:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 429 transitions. [2021-11-23 01:18:45,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:45,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,803 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 01:18:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 269 states and 431 transitions. [2021-11-23 01:18:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 431 transitions. [2021-11-23 01:18:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:46,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:46,668 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 01:18:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 270 states and 436 transitions. [2021-11-23 01:18:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 436 transitions. [2021-11-23 01:18:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:47,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:47,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 275 states and 446 transitions. [2021-11-23 01:18:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 446 transitions. [2021-11-23 01:18:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:18:51,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:51,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:51,978 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 01:18:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 278 states and 448 transitions. [2021-11-23 01:18:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 448 transitions. [2021-11-23 01:18:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:18:53,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:53,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 289 states and 479 transitions. [2021-11-23 01:19:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 479 transitions. [2021-11-23 01:19:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:04,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 289 states and 478 transitions. [2021-11-23 01:19:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 478 transitions. [2021-11-23 01:19:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:05,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 297 states and 489 transitions. [2021-11-23 01:19:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 489 transitions. [2021-11-23 01:19:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:19:14,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:14,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 311 states and 516 transitions. [2021-11-23 01:19:32,044 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 516 transitions. [2021-11-23 01:19:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:19:32,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:32,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:33,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 312 states and 516 transitions. [2021-11-23 01:19:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 516 transitions. [2021-11-23 01:19:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:19:33,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:37,294 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 01:20:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 332 states and 559 transitions. [2021-11-23 01:20:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 559 transitions. [2021-11-23 01:20:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:04,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:04,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:04,274 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 01:20:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 333 states and 560 transitions. [2021-11-23 01:20:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 560 transitions. [2021-11-23 01:20:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:05,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:05,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:05,454 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 01:20:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 334 states and 560 transitions. [2021-11-23 01:20:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 560 transitions. [2021-11-23 01:20:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:06,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:06,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:07,319 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 01:20:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 337 states and 562 transitions. [2021-11-23 01:20:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 562 transitions. [2021-11-23 01:20:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:10,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:10,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:10,543 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 01:20:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 340 states and 564 transitions. [2021-11-23 01:20:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 564 transitions. [2021-11-23 01:20:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:20:11,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:11,870 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 01:20:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 340 states and 563 transitions. [2021-11-23 01:20:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 563 transitions. [2021-11-23 01:20:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:20:13,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:13,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 342 states and 565 transitions. [2021-11-23 01:20:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 565 transitions. [2021-11-23 01:20:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:13,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:13,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:14,468 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 01:20:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 345 states and 569 transitions. [2021-11-23 01:20:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 569 transitions. [2021-11-23 01:20:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:21,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:21,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:21,822 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 01:20:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 345 states and 567 transitions. [2021-11-23 01:20:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 567 transitions. [2021-11-23 01:20:25,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:25,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:25,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:25,077 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 01:20:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 348 states and 571 transitions. [2021-11-23 01:20:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 571 transitions. [2021-11-23 01:20:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:29,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,593 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 01:20:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 350 states and 576 transitions. [2021-11-23 01:20:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 576 transitions. [2021-11-23 01:20:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:32,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,394 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 01:20:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 350 states and 574 transitions. [2021-11-23 01:20:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 574 transitions. [2021-11-23 01:20:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:34,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,263 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 01:20:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 352 states and 578 transitions. [2021-11-23 01:20:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 578 transitions. [2021-11-23 01:20:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:20:35,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 356 states and 585 transitions. [2021-11-23 01:20:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 585 transitions. [2021-11-23 01:20:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:20:38,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 362 states and 593 transitions. [2021-11-23 01:20:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 593 transitions. [2021-11-23 01:20:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:48,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:48,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:05,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 369 states and 605 transitions. [2021-11-23 01:21:05,153 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 605 transitions. [2021-11-23 01:21:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:21:05,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 390 states and 662 transitions. [2021-11-23 01:21:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 662 transitions. [2021-11-23 01:21:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:44,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:44,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:44,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 393 states and 660 transitions. [2021-11-23 01:21:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 660 transitions. [2021-11-23 01:21:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:55,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 395 states and 665 transitions. [2021-11-23 01:21:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 665 transitions. [2021-11-23 01:21:58,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:21:58,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:58,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:59,034 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 01:22:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 402 states and 682 transitions. [2021-11-23 01:22:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 682 transitions. [2021-11-23 01:22:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:22:04,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:04,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 403 states and 683 transitions. [2021-11-23 01:22:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 683 transitions. [2021-11-23 01:22:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:06,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:06,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 416 states and 702 transitions. [2021-11-23 01:22:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 702 transitions. [2021-11-23 01:22:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:48,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 427 states and 716 transitions. [2021-11-23 01:23:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 716 transitions. [2021-11-23 01:23:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:23:28,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:28,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 434 states and 733 transitions. [2021-11-23 01:23:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 733 transitions. [2021-11-23 01:23:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:23:35,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:35,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:44,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 441 states and 747 transitions. [2021-11-23 01:23:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 747 transitions. [2021-11-23 01:23:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:23:44,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:23:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 444 states and 753 transitions. [2021-11-23 01:23:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 753 transitions. [2021-11-23 01:23:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:23:50,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 454 states and 780 transitions. [2021-11-23 01:24:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 780 transitions. [2021-11-23 01:24:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:24:19,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 462 states and 801 transitions. [2021-11-23 01:24:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 801 transitions. [2021-11-23 01:24:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:24:45,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 479 states and 844 transitions. [2021-11-23 01:25:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 844 transitions. [2021-11-23 01:25:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:25:35,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:35,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 496 states and 887 transitions. [2021-11-23 01:26:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 887 transitions. [2021-11-23 01:26:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:26:31,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,073 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 01:26:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 503 states and 896 transitions. [2021-11-23 01:26:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 896 transitions. [2021-11-23 01:26:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:26:45,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:45,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,680 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 01:27:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 514 states and 925 transitions. [2021-11-23 01:27:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 925 transitions. [2021-11-23 01:27:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:27:06,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 518 states and 941 transitions. [2021-11-23 01:27:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 941 transitions. [2021-11-23 01:27:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:27:27,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:27,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 520 states and 945 transitions. [2021-11-23 01:27:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 945 transitions. [2021-11-23 01:27:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:27:51,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:51,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:28:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 520 states and 942 transitions. [2021-11-23 01:28:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 942 transitions. [2021-11-23 01:28:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:28:07,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:07,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.