./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/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_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/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_5f6bf2e3-19a4-431c-942c-8f84edb8d998/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 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:16:41,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:16:41,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:16:41,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:16:41,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:16:41,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:16:41,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:16:41,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:16:41,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:16:41,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:16:41,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:16:41,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:16:41,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:16:41,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:16:41,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:16:41,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:16:41,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:16:41,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:16:41,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:16:41,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:16:41,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:16:41,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:16:41,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:16:41,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:16:41,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:16:41,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:16:41,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:16:41,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:16:41,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:16:41,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:16:41,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:16:41,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:16:41,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:16:41,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:16:41,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:16:41,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:16:41,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:16:41,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:16:41,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:16:41,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:16:41,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:16:41,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:16:41,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:16:41,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:16:41,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:16:41,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:16:41,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:16:41,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:16:41,739 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:16:41,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:16:41,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:16:41,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:16:41,744 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:16:41,744 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:16:41,744 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:16:41,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:16:41,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:16:41,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:16:41,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:16:41,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:16:41,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:16:41,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:41,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:16:41,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:16:41,749 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:16:41,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:16:41,750 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_5f6bf2e3-19a4-431c-942c-8f84edb8d998/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 007fc8a389a67fb47c7d326d3f1d284696dfe5de13661e77d6d1bf7cce285194 [2021-11-23 01:16:42,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:16:42,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:16:42,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:16:42,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:16:42,095 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:16:42,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2021-11-23 01:16:42,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/data/2f545d05e/2eb358f190324d2eb04c1681c668edb3/FLAG290748a1d [2021-11-23 01:16:42,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:16:42,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2021-11-23 01:16:42,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/data/2f545d05e/2eb358f190324d2eb04c1681c668edb3/FLAG290748a1d [2021-11-23 01:16:43,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/data/2f545d05e/2eb358f190324d2eb04c1681c668edb3 [2021-11-23 01:16:43,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:16:43,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:16:43,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:43,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:16:43,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:16:43,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5af09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43, skipping insertion in model container [2021-11-23 01:16:43,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:16:43,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:16:43,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:43,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:16:43,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:16:43,806 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:16:43,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43 WrapperNode [2021-11-23 01:16:43,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:16:43,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:43,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:16:43,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:16:43,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,871 INFO L137 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 01:16:43,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:16:43,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:16:43,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:16:43,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:16:43,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:16:43,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:16:43,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:16:43,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:16:43,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:16:43" (1/1) ... [2021-11-23 01:16:43,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:16:43,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:16:44,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:16:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f6bf2e3-19a4-431c-942c-8f84edb8d998/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:16:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:16:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:16:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:16:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:16:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:16:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:16:44,208 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:16:44,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:16:44,362 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:16:44,421 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:16:44,421 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:16:44,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:44 BoogieIcfgContainer [2021-11-23 01:16:44,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:16:44,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:16:44,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:16:44,447 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:16:44,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:44" (1/1) ... [2021-11-23 01:16:44,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:16:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 01:16:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 01:16:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:16:44,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:44,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:44,817 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 01:16:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 01:16:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 01:16:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:16:44,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:44,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,005 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 01:16:45,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-23 01:16:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-23 01:16:45,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:16:45,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:45,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-11-23 01:16:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-23 01:16:46,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:16:46,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:46,424 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 01:16:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:16:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:16:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:16:46,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:46,679 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 01:16:46,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 01:16:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 01:16:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:16:46,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:46,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 01:16:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 01:16:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:16:47,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:47,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:47,936 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 01:16:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 01:16:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 01:16:49,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:16:49,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:49,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:49,610 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 01:16:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-23 01:16:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-23 01:16:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:16:50,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:50,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 01:16:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 01:16:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:16:51,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:51,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:16:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-23 01:16:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 01:16:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:16:53,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:53,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2021-11-23 01:16:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-23 01:16:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:16:55,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:55,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:16:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2021-11-23 01:16:56,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2021-11-23 01:16:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:16:56,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:56,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:56,836 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 01:16:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-23 01:16:59,255 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-23 01:16:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:16:59,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:59,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2021-11-23 01:17:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-11-23 01:17:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:01,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:17:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2021-11-23 01:17:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2021-11-23 01:17:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:17:02,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:02,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:17:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2021-11-23 01:17:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2021-11-23 01:17:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:17:02,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:02,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2021-11-23 01:17:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2021-11-23 01:17:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:07,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-23 01:17:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-23 01:17:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:10,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:10,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:17:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2021-11-23 01:17:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2021-11-23 01:17:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:11,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:11,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2021-11-23 01:17:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2021-11-23 01:17:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:15,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:15,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 99 transitions. [2021-11-23 01:17:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2021-11-23 01:17:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:18,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:18,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:17:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2021-11-23 01:17:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2021-11-23 01:17:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:20,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2021-11-23 01:17:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2021-11-23 01:17:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:24,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:24,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:17:24,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2021-11-23 01:17:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2021-11-23 01:17:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:17:24,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 108 transitions. [2021-11-23 01:17:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2021-11-23 01:17:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:25,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2021-11-23 01:17:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2021-11-23 01:17:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:29,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:29,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:17:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 111 transitions. [2021-11-23 01:17:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2021-11-23 01:17:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:17:30,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:30,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:35,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2021-11-23 01:17:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2021-11-23 01:17:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:17:35,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:35,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 70 states and 131 transitions. [2021-11-23 01:17:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2021-11-23 01:17:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:44,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:44,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 72 states and 135 transitions. [2021-11-23 01:17:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2021-11-23 01:17:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:48,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:17:50,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2021-11-23 01:17:50,630 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2021-11-23 01:17:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:50,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:50,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2021-11-23 01:17:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2021-11-23 01:17:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:17:56,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:56,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:57,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2021-11-23 01:17:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2021-11-23 01:17:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:17:57,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:57,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 80 states and 153 transitions. [2021-11-23 01:18:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2021-11-23 01:18:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:05,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:05,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2021-11-23 01:18:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2021-11-23 01:18:10,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:10,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-23 01:18:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 82 states and 156 transitions. [2021-11-23 01:18:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2021-11-23 01:18:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:12,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:12,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 86 states and 167 transitions. [2021-11-23 01:18:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2021-11-23 01:18:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:19,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 87 states and 167 transitions. [2021-11-23 01:18:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2021-11-23 01:18:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:18:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:20,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 90 states and 175 transitions. [2021-11-23 01:18:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 175 transitions. [2021-11-23 01:18:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:30,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 92 states and 179 transitions. [2021-11-23 01:18:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 179 transitions. [2021-11-23 01:18:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:35,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:35,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 01:18:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 92 states and 178 transitions. [2021-11-23 01:18:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 178 transitions. [2021-11-23 01:18:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:38,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:38,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 189 transitions. [2021-11-23 01:18:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 189 transitions. [2021-11-23 01:18:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:45,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2021-11-23 01:18:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2021-11-23 01:18:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:46,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:46,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2021-11-23 01:18:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2021-11-23 01:18:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:18:57,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:57,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2021-11-23 01:19:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2021-11-23 01:19:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:01,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:01,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2021-11-23 01:19:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-23 01:19:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:07,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:07,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 01:19:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 103 states and 200 transitions. [2021-11-23 01:19:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2021-11-23 01:19:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:10,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:10,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 211 transitions. [2021-11-23 01:19:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2021-11-23 01:19:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:19:18,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 211 transitions. [2021-11-23 01:19:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 211 transitions. [2021-11-23 01:19:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:19:21,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 111 states and 219 transitions. [2021-11-23 01:19:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 219 transitions. [2021-11-23 01:19:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:19:33,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:33,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:34,519 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 219 transitions. [2021-11-23 01:19:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 219 transitions. [2021-11-23 01:19:36,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:36,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:36,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 114 states and 223 transitions. [2021-11-23 01:19:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2021-11-23 01:19:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:44,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:44,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 01:19:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 114 states and 222 transitions. [2021-11-23 01:19:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 222 transitions. [2021-11-23 01:19:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:47,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 233 transitions. [2021-11-23 01:19:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2021-11-23 01:19:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:55,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:57,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:57,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 119 states and 233 transitions. [2021-11-23 01:19:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 233 transitions. [2021-11-23 01:19:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:19:57,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:57,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 122 states and 241 transitions. [2021-11-23 01:20:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 241 transitions. [2021-11-23 01:20:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:11,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 123 states and 241 transitions. [2021-11-23 01:20:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 241 transitions. [2021-11-23 01:20:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:15,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:15,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 125 states and 245 transitions. [2021-11-23 01:20:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 245 transitions. [2021-11-23 01:20:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:22,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:22,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:23,003 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-23 01:20:26,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 125 states and 244 transitions. [2021-11-23 01:20:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 244 transitions. [2021-11-23 01:20:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:26,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 129 states and 255 transitions. [2021-11-23 01:20:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 255 transitions. [2021-11-23 01:20:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:35,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:35,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 130 states and 255 transitions. [2021-11-23 01:20:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2021-11-23 01:20:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:20:38,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 49 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 133 states and 263 transitions. [2021-11-23 01:20:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 263 transitions. [2021-11-23 01:20:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:20:52,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 25 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 134 states and 263 transitions. [2021-11-23 01:21:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 263 transitions. [2021-11-23 01:21:05,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:05,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 136 states and 267 transitions. [2021-11-23 01:21:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 267 transitions. [2021-11-23 01:21:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:13,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:13,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:21:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 266 transitions. [2021-11-23 01:21:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 266 transitions. [2021-11-23 01:21:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:16,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:16,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 140 states and 277 transitions. [2021-11-23 01:21:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 277 transitions. [2021-11-23 01:21:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:27,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:27,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 141 states and 277 transitions. [2021-11-23 01:21:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 277 transitions. [2021-11-23 01:21:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:21:29,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:29,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 64 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 144 states and 285 transitions. [2021-11-23 01:21:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 285 transitions. [2021-11-23 01:21:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:21:44,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:44,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 36 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 145 states and 285 transitions. [2021-11-23 01:21:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 285 transitions. [2021-11-23 01:21:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:21:54,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 147 states and 289 transitions. [2021-11-23 01:22:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 289 transitions. [2021-11-23 01:22:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:04,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:04,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-23 01:22:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 147 states and 288 transitions. [2021-11-23 01:22:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 288 transitions. [2021-11-23 01:22:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:07,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:07,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 151 states and 299 transitions. [2021-11-23 01:22:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 299 transitions. [2021-11-23 01:22:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:20,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:20,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 152 states and 299 transitions. [2021-11-23 01:22:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 299 transitions. [2021-11-23 01:22:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:22:23,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 81 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 155 states and 307 transitions. [2021-11-23 01:22:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 307 transitions. [2021-11-23 01:22:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:22:42,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:42,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 49 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 156 states and 307 transitions. [2021-11-23 01:22:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 307 transitions. [2021-11-23 01:22:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:22:47,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:47,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 158 states and 311 transitions. [2021-11-23 01:22:56,707 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 311 transitions. [2021-11-23 01:22:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:22:56,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-23 01:22:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 158 states and 310 transitions. [2021-11-23 01:23:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 310 transitions. [2021-11-23 01:23:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:23:00,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:00,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 162 states and 321 transitions. [2021-11-23 01:23:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 321 transitions. [2021-11-23 01:23:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:23:11,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:11,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 163 states and 321 transitions. [2021-11-23 01:23:14,382 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2021-11-23 01:23:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:14,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 100 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 329 transitions. [2021-11-23 01:23:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 329 transitions. [2021-11-23 01:23:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:31,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 64 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 329 transitions. [2021-11-23 01:23:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 329 transitions. [2021-11-23 01:23:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:36,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:36,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 169 states and 333 transitions. [2021-11-23 01:23:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 333 transitions. [2021-11-23 01:23:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:47,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-23 01:23:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 169 states and 332 transitions. [2021-11-23 01:23:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 332 transitions. [2021-11-23 01:23:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:51,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 173 states and 343 transitions. [2021-11-23 01:24:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 343 transitions. [2021-11-23 01:24:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:24:04,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 174 states and 343 transitions. [2021-11-23 01:24:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 343 transitions. [2021-11-23 01:24:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:24:07,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 121 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 177 states and 351 transitions. [2021-11-23 01:24:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 351 transitions. [2021-11-23 01:24:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:24:27,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 81 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 178 states and 351 transitions. [2021-11-23 01:24:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 351 transitions. [2021-11-23 01:24:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:24:32,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 180 states and 355 transitions. [2021-11-23 01:24:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 355 transitions. [2021-11-23 01:24:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:24:44,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-23 01:24:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 180 states and 354 transitions. [2021-11-23 01:24:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 354 transitions. [2021-11-23 01:24:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:24:48,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 184 states and 365 transitions. [2021-11-23 01:25:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 365 transitions. [2021-11-23 01:25:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:25:04,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:08,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 185 states and 365 transitions. [2021-11-23 01:25:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 365 transitions. [2021-11-23 01:25:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:25:08,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 188 states and 373 transitions. [2021-11-23 01:25:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 373 transitions. [2021-11-23 01:25:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:25:28,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 100 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 189 states and 373 transitions. [2021-11-23 01:25:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 373 transitions. [2021-11-23 01:25:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:25:33,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 191 states and 377 transitions. [2021-11-23 01:25:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 377 transitions. [2021-11-23 01:25:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:25:43,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-11-23 01:25:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:47,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 191 states and 376 transitions. [2021-11-23 01:25:47,712 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 376 transitions. [2021-11-23 01:25:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:25:47,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:47,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,011 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 195 states and 387 transitions. [2021-11-23 01:26:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 387 transitions. [2021-11-23 01:26:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:26:01,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 196 states and 387 transitions. [2021-11-23 01:26:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 387 transitions. [2021-11-23 01:26:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:04,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 169 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 199 states and 395 transitions. [2021-11-23 01:26:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 395 transitions. [2021-11-23 01:26:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:26:23,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 121 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 395 transitions. [2021-11-23 01:26:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 395 transitions. [2021-11-23 01:26:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:26:28,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 202 states and 399 transitions. [2021-11-23 01:26:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 399 transitions. [2021-11-23 01:26:39,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:26:39,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-23 01:26:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 202 states and 398 transitions. [2021-11-23 01:26:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 398 transitions. [2021-11-23 01:26:44,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:26:44,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 206 states and 409 transitions. [2021-11-23 01:26:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 409 transitions. [2021-11-23 01:26:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:26:59,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 409 transitions. [2021-11-23 01:27:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 409 transitions. [2021-11-23 01:27:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:02,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 196 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 210 states and 417 transitions. [2021-11-23 01:27:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 417 transitions. [2021-11-23 01:27:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:22,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 211 states and 417 transitions. [2021-11-23 01:27:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 417 transitions. [2021-11-23 01:27:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:27:28,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:28,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 213 states and 421 transitions. [2021-11-23 01:27:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 421 transitions. [2021-11-23 01:27:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:27:40,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:40,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-11-23 01:27:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 213 states and 420 transitions. [2021-11-23 01:27:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 420 transitions. [2021-11-23 01:27:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:27:44,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:00,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 217 states and 431 transitions. [2021-11-23 01:28:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 431 transitions. [2021-11-23 01:28:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:28:00,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:00,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 218 states and 431 transitions. [2021-11-23 01:28:03,894 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 431 transitions. [2021-11-23 01:28:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:28:03,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:03,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat