./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/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_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39ef6d062a4ff56ba1e3913ade729d3f60e638b9dea34b0ea6935ef8cddd75d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:16:22,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:16:22,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:16:22,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:16:22,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:16:22,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:16:22,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:16:22,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:16:22,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:16:22,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:16:22,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:16:22,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:16:22,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:16:22,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:16:22,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:16:22,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:16:22,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:16:22,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:16:22,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:16:22,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:16:22,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:16:22,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:16:22,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:16:22,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:16:22,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:16:22,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:16:22,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:16:22,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:16:22,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:16:22,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:16:22,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:16:22,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:16:22,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:16:22,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:16:22,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:16:22,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:16:22,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:16:22,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:16:22,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:16:22,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:16:22,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:16:22,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:16:22,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:16:22,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:16:22,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:16:22,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:16:22,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:16:22,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:16:22,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:16:22,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:16:22,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:16:22,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:16:22,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:16:22,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:16:22,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:16:22,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:16:22,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:16:22,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:16:22,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:16:22,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:16:22,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:16:22,958 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:16:22,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:16:22,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:22,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:16:22,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:16:22,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:16:22,959 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:16:22,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:16:22,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:16:22,960 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_ccc61384-69d4-47ba-abe2-7790a38304d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ef6d062a4ff56ba1e3913ade729d3f60e638b9dea34b0ea6935ef8cddd75d2 [2021-11-22 23:16:23,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:16:23,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:16:23,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:16:23,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:16:23,248 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:16:23,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2021-11-22 23:16:23,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/data/20686197a/fb8d4c463af6457b9dd05d2d03e20ffa/FLAG1f0723b73 [2021-11-22 23:16:23,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:16:23,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/sv-benchmarks/c/eca-rers2012/Problem01_label51.c [2021-11-22 23:16:23,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/data/20686197a/fb8d4c463af6457b9dd05d2d03e20ffa/FLAG1f0723b73 [2021-11-22 23:16:24,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/data/20686197a/fb8d4c463af6457b9dd05d2d03e20ffa [2021-11-22 23:16:24,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:16:24,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:16:24,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:24,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:16:24,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:16:24,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795f9d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24, skipping insertion in model container [2021-11-22 23:16:24,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:16:24,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:16:24,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/sv-benchmarks/c/eca-rers2012/Problem01_label51.c[18730,18743] [2021-11-22 23:16:24,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:24,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:16:24,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/sv-benchmarks/c/eca-rers2012/Problem01_label51.c[18730,18743] [2021-11-22 23:16:24,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:16:24,904 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:16:24,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24 WrapperNode [2021-11-22 23:16:24,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:16:24,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:24,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:16:24,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:16:24,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:24,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,013 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-22 23:16:25,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:16:25,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:16:25,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:16:25,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:16:25,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:16:25,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:16:25,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:16:25,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:16:25,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:24" (1/1) ... [2021-11-22 23:16:25,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:16:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:16:25,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:16:25,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:16:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:16:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:16:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:16:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:16:25,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:16:25,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:16:26,391 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:16:26,609 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:16:26,610 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:16:26,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:26 BoogieIcfgContainer [2021-11-22 23:16:26,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:16:26,614 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:16:26,614 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:16:26,624 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:16:26,624 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:26" (1/1) ... [2021-11-22 23:16:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:16:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2021-11-22 23:16:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2021-11-22 23:16:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:16:26,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:26,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2021-11-22 23:16:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2021-11-22 23:16:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:16:27,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:27,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 215 states and 310 transitions. [2021-11-22 23:16:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2021-11-22 23:16:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:16:28,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 220 states and 317 transitions. [2021-11-22 23:16:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 317 transitions. [2021-11-22 23:16:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:16:28,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 295 states and 395 transitions. [2021-11-22 23:16:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2021-11-22 23:16:29,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:16:29,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:29,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 296 states and 397 transitions. [2021-11-22 23:16:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 397 transitions. [2021-11-22 23:16:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:16:29,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:29,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 304 states and 411 transitions. [2021-11-22 23:16:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 411 transitions. [2021-11-22 23:16:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:16:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 307 states and 415 transitions. [2021-11-22 23:16:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 415 transitions. [2021-11-22 23:16:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:16:30,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 315 states and 431 transitions. [2021-11-22 23:16:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 431 transitions. [2021-11-22 23:16:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:16:30,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 326 states and 447 transitions. [2021-11-22 23:16:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 447 transitions. [2021-11-22 23:16:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:16:31,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2021-11-22 23:16:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2021-11-22 23:16:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:16:31,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 334 states and 459 transitions. [2021-11-22 23:16:31,817 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 459 transitions. [2021-11-22 23:16:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:16:31,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:31,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 340 states and 468 transitions. [2021-11-22 23:16:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 468 transitions. [2021-11-22 23:16:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:16:32,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 343 states and 472 transitions. [2021-11-22 23:16:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 472 transitions. [2021-11-22 23:16:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:16:32,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 347 states and 478 transitions. [2021-11-22 23:16:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 478 transitions. [2021-11-22 23:16:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:16:32,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 354 states and 490 transitions. [2021-11-22 23:16:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 490 transitions. [2021-11-22 23:16:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:16:33,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:33,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 358 states and 493 transitions. [2021-11-22 23:16:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 493 transitions. [2021-11-22 23:16:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:16:33,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 371 states and 508 transitions. [2021-11-22 23:16:33,674 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 508 transitions. [2021-11-22 23:16:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:16:33,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:33,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 374 states and 512 transitions. [2021-11-22 23:16:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 512 transitions. [2021-11-22 23:16:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:16:34,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 381 states and 520 transitions. [2021-11-22 23:16:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 520 transitions. [2021-11-22 23:16:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:16:34,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 382 states and 521 transitions. [2021-11-22 23:16:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 521 transitions. [2021-11-22 23:16:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:16:34,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 390 states and 530 transitions. [2021-11-22 23:16:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 530 transitions. [2021-11-22 23:16:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:16:34,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 392 states and 533 transitions. [2021-11-22 23:16:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 533 transitions. [2021-11-22 23:16:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:16:34,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 399 states and 540 transitions. [2021-11-22 23:16:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 540 transitions. [2021-11-22 23:16:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:16:34,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:34,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 408 states and 550 transitions. [2021-11-22 23:16:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 550 transitions. [2021-11-22 23:16:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:16:35,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 425 states and 569 transitions. [2021-11-22 23:16:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 569 transitions. [2021-11-22 23:16:35,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:16:35,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 426 states and 571 transitions. [2021-11-22 23:16:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 571 transitions. [2021-11-22 23:16:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:16:35,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 435 states and 581 transitions. [2021-11-22 23:16:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 581 transitions. [2021-11-22 23:16:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:16:35,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 436 states and 583 transitions. [2021-11-22 23:16:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 583 transitions. [2021-11-22 23:16:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:16:35,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:35,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 453 states and 601 transitions. [2021-11-22 23:16:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 601 transitions. [2021-11-22 23:16:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:16:36,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 454 states and 603 transitions. [2021-11-22 23:16:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 603 transitions. [2021-11-22 23:16:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:16:36,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 462 states and 612 transitions. [2021-11-22 23:16:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 612 transitions. [2021-11-22 23:16:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:16:36,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:36,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 532 states and 700 transitions. [2021-11-22 23:16:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 700 transitions. [2021-11-22 23:16:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:16:37,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,508 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 541 states and 713 transitions. [2021-11-22 23:16:37,831 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 713 transitions. [2021-11-22 23:16:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:16:37,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:37,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:37,874 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:16:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 546 states and 719 transitions. [2021-11-22 23:16:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 719 transitions. [2021-11-22 23:16:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:16:38,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 555 states and 729 transitions. [2021-11-22 23:16:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 729 transitions. [2021-11-22 23:16:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:16:38,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 557 states and 731 transitions. [2021-11-22 23:16:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 731 transitions. [2021-11-22 23:16:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:16:38,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 558 states and 731 transitions. [2021-11-22 23:16:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 731 transitions. [2021-11-22 23:16:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:16:38,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 559 states and 731 transitions. [2021-11-22 23:16:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 731 transitions. [2021-11-22 23:16:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:16:38,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 564 states and 738 transitions. [2021-11-22 23:16:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 738 transitions. [2021-11-22 23:16:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:16:38,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:38,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 565 states and 739 transitions. [2021-11-22 23:16:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 739 transitions. [2021-11-22 23:16:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:16:39,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 579 states and 754 transitions. [2021-11-22 23:16:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2021-11-22 23:16:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:39,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:39,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 649 states and 826 transitions. [2021-11-22 23:16:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 826 transitions. [2021-11-22 23:16:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:40,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:40,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:16:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 653 states and 832 transitions. [2021-11-22 23:16:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 832 transitions. [2021-11-22 23:16:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:40,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:40,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 666 states and 858 transitions. [2021-11-22 23:16:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 858 transitions. [2021-11-22 23:16:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:41,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:41,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 672 states and 866 transitions. [2021-11-22 23:16:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 866 transitions. [2021-11-22 23:16:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:16:42,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:42,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 673 states and 866 transitions. [2021-11-22 23:16:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 866 transitions. [2021-11-22 23:16:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:16:42,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:16:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 682 states and 875 transitions. [2021-11-22 23:16:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 875 transitions. [2021-11-22 23:16:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:16:42,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:42,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 730 states and 946 transitions. [2021-11-22 23:16:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 946 transitions. [2021-11-22 23:16:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:16:44,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:44,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 734 states and 950 transitions. [2021-11-22 23:16:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 950 transitions. [2021-11-22 23:16:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:16:45,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 741 states and 959 transitions. [2021-11-22 23:16:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 959 transitions. [2021-11-22 23:16:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:16:45,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:45,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:16:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 750 states and 967 transitions. [2021-11-22 23:16:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 967 transitions. [2021-11-22 23:16:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:16:46,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:46,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:16:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 795 states and 1017 transitions. [2021-11-22 23:16:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1017 transitions. [2021-11-22 23:16:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:16:47,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:16:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 796 states and 1019 transitions. [2021-11-22 23:16:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1019 transitions. [2021-11-22 23:16:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:16:47,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 866 states and 1100 transitions. [2021-11-22 23:16:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1100 transitions. [2021-11-22 23:16:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:16:48,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:48,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 869 states and 1106 transitions. [2021-11-22 23:16:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1106 transitions. [2021-11-22 23:16:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:16:49,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:49,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:16:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 881 states and 1120 transitions. [2021-11-22 23:16:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1120 transitions. [2021-11-22 23:16:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:16:50,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:16:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 882 states and 1121 transitions. [2021-11-22 23:16:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1121 transitions. [2021-11-22 23:16:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:16:50,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:16:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 883 states and 1122 transitions. [2021-11-22 23:16:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1122 transitions. [2021-11-22 23:16:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:16:50,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:50,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:51,029 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:16:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 886 states and 1125 transitions. [2021-11-22 23:16:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1125 transitions. [2021-11-22 23:16:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:16:51,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-22 23:16:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 887 states and 1126 transitions. [2021-11-22 23:16:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1126 transitions. [2021-11-22 23:16:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:16:51,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 901 states and 1144 transitions. [2021-11-22 23:16:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1144 transitions. [2021-11-22 23:16:51,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:16:51,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:51,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 911 states and 1155 transitions. [2021-11-22 23:16:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1155 transitions. [2021-11-22 23:16:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:16:52,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1051 states and 1307 transitions. [2021-11-22 23:16:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1307 transitions. [2021-11-22 23:16:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:16:54,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:54,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:16:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1121 states and 1390 transitions. [2021-11-22 23:16:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1390 transitions. [2021-11-22 23:16:57,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:16:57,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:57,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1132 states and 1409 transitions. [2021-11-22 23:16:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1409 transitions. [2021-11-22 23:16:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:16:58,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:58,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1135 states and 1415 transitions. [2021-11-22 23:16:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1415 transitions. [2021-11-22 23:16:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:16:59,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:59,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1147 states and 1428 transitions. [2021-11-22 23:17:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1428 transitions. [2021-11-22 23:17:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:17:00,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:00,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:01,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1154 states and 1434 transitions. [2021-11-22 23:17:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1434 transitions. [2021-11-22 23:17:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:01,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1155 states and 1434 transitions. [2021-11-22 23:17:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1434 transitions. [2021-11-22 23:17:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:01,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1156 states and 1434 transitions. [2021-11-22 23:17:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1434 transitions. [2021-11-22 23:17:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:01,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1175 states and 1453 transitions. [2021-11-22 23:17:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1453 transitions. [2021-11-22 23:17:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1177 states and 1454 transitions. [2021-11-22 23:17:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1454 transitions. [2021-11-22 23:17:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:02,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1178 states and 1454 transitions. [2021-11-22 23:17:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1454 transitions. [2021-11-22 23:17:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:17:02,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:02,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-22 23:17:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1179 states and 1454 transitions. [2021-11-22 23:17:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1454 transitions. [2021-11-22 23:17:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:17:03,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,388 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:17:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1201 states and 1481 transitions. [2021-11-22 23:17:04,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1481 transitions. [2021-11-22 23:17:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:17:04,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:04,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:17:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1251 states and 1538 transitions. [2021-11-22 23:17:05,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1538 transitions. [2021-11-22 23:17:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:17:05,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-22 23:17:06,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1254 states and 1544 transitions. [2021-11-22 23:17:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1544 transitions. [2021-11-22 23:17:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:17:06,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-22 23:17:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1259 states and 1550 transitions. [2021-11-22 23:17:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1550 transitions. [2021-11-22 23:17:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:17:07,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:17:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1285 states and 1591 transitions. [2021-11-22 23:17:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1591 transitions. [2021-11-22 23:17:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:17:09,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:17:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1291 states and 1599 transitions. [2021-11-22 23:17:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1599 transitions. [2021-11-22 23:17:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:17:10,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:17:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1292 states and 1600 transitions. [2021-11-22 23:17:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1600 transitions. [2021-11-22 23:17:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-22 23:17:10,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,990 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-22 23:17:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1293 states and 1601 transitions. [2021-11-22 23:17:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1601 transitions. [2021-11-22 23:17:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:17:11,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:17:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1308 states and 1617 transitions. [2021-11-22 23:17:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1617 transitions. [2021-11-22 23:17:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:17:12,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:17:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1320 states and 1629 transitions. [2021-11-22 23:17:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1629 transitions. [2021-11-22 23:17:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:17:13,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:17:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1321 states and 1629 transitions. [2021-11-22 23:17:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1629 transitions. [2021-11-22 23:17:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:17:13,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:17:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1344 states and 1651 transitions. [2021-11-22 23:17:14,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1651 transitions. [2021-11-22 23:17:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-22 23:17:14,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:17:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1349 states and 1658 transitions. [2021-11-22 23:17:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1658 transitions. [2021-11-22 23:17:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:17:14,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-22 23:17:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1362 states and 1672 transitions. [2021-11-22 23:17:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1672 transitions. [2021-11-22 23:17:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:15,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-22 23:17:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1363 states and 1673 transitions. [2021-11-22 23:17:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1673 transitions. [2021-11-22 23:17:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:15,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1432 states and 1748 transitions. [2021-11-22 23:17:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1748 transitions. [2021-11-22 23:17:18,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:18,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1471 states and 1797 transitions. [2021-11-22 23:17:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1797 transitions. [2021-11-22 23:17:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:21,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1486 states and 1819 transitions. [2021-11-22 23:17:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1819 transitions. [2021-11-22 23:17:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:22,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1487 states and 1819 transitions. [2021-11-22 23:17:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1819 transitions. [2021-11-22 23:17:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:23,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1491 states and 1823 transitions. [2021-11-22 23:17:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1823 transitions. [2021-11-22 23:17:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:23,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1502 states and 1833 transitions. [2021-11-22 23:17:24,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1833 transitions. [2021-11-22 23:17:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:17:24,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,136 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1513 states and 1845 transitions. [2021-11-22 23:17:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1845 transitions. [2021-11-22 23:17:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:17:24,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-22 23:17:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1538 states and 1870 transitions. [2021-11-22 23:17:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1870 transitions. [2021-11-22 23:17:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-22 23:17:24,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-22 23:17:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1539 states and 1871 transitions. [2021-11-22 23:17:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1871 transitions. [2021-11-22 23:17:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-22 23:17:25,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-22 23:17:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1552 states and 1886 transitions. [2021-11-22 23:17:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1886 transitions. [2021-11-22 23:17:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:25,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,638 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-22 23:17:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1577 states and 1910 transitions. [2021-11-22 23:17:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1910 transitions. [2021-11-22 23:17:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:27,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 225 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:17:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1618 states and 1957 transitions. [2021-11-22 23:17:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1957 transitions. [2021-11-22 23:17:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:31,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:31,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-22 23:17:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1634 states and 1975 transitions. [2021-11-22 23:17:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1975 transitions. [2021-11-22 23:17:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:33,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-22 23:17:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1638 states and 1980 transitions. [2021-11-22 23:17:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1980 transitions. [2021-11-22 23:17:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:34,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-22 23:17:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1639 states and 1980 transitions. [2021-11-22 23:17:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1980 transitions. [2021-11-22 23:17:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:17:34,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-22 23:17:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1640 states and 1981 transitions. [2021-11-22 23:17:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1981 transitions. [2021-11-22 23:17:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-22 23:17:35,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 175 proven. 23 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 23:17:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1663 states and 2015 transitions. [2021-11-22 23:17:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2015 transitions. [2021-11-22 23:17:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-22 23:17:37,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:17:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1665 states and 2016 transitions. [2021-11-22 23:17:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2016 transitions. [2021-11-22 23:17:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:17:37,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-22 23:17:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1666 states and 2016 transitions. [2021-11-22 23:17:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2016 transitions. [2021-11-22 23:17:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-22 23:17:38,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-22 23:17:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1667 states and 2017 transitions. [2021-11-22 23:17:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2017 transitions. [2021-11-22 23:17:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:38,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1668 states and 2018 transitions. [2021-11-22 23:17:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2018 transitions. [2021-11-22 23:17:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:39,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1737 states and 2093 transitions. [2021-11-22 23:17:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2093 transitions. [2021-11-22 23:17:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:42,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1748 states and 2107 transitions. [2021-11-22 23:17:43,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2107 transitions. [2021-11-22 23:17:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:43,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1795 states and 2159 transitions. [2021-11-22 23:17:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2159 transitions. [2021-11-22 23:17:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:45,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:45,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1817 states and 2189 transitions. [2021-11-22 23:17:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2189 transitions. [2021-11-22 23:17:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:47,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1818 states and 2189 transitions. [2021-11-22 23:17:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2189 transitions. [2021-11-22 23:17:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:47,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1823 states and 2194 transitions. [2021-11-22 23:17:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2194 transitions. [2021-11-22 23:17:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:48,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1826 states and 2196 transitions. [2021-11-22 23:17:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2196 transitions. [2021-11-22 23:17:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:49,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1846 states and 2217 transitions. [2021-11-22 23:17:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 2217 transitions. [2021-11-22 23:17:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:17:50,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-22 23:17:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1847 states and 2218 transitions. [2021-11-22 23:17:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2218 transitions. [2021-11-22 23:17:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:17:51,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-22 23:17:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1976 states and 2365 transitions. [2021-11-22 23:17:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2365 transitions. [2021-11-22 23:17:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:17:57,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-22 23:17:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1989 states and 2380 transitions. [2021-11-22 23:17:58,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2380 transitions. [2021-11-22 23:17:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:17:58,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-22 23:17:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 1993 states and 2383 transitions. [2021-11-22 23:17:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2383 transitions. [2021-11-22 23:17:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:17:59,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-22 23:17:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2005 states and 2395 transitions. [2021-11-22 23:17:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2395 transitions. [2021-11-22 23:17:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:17:59,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-22 23:18:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2019 states and 2407 transitions. [2021-11-22 23:18:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2407 transitions. [2021-11-22 23:18:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 23:18:00,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-11-22 23:18:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2020 states and 2407 transitions. [2021-11-22 23:18:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2407 transitions. [2021-11-22 23:18:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:18:01,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 205 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 23:18:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:01,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2023 states and 2409 transitions. [2021-11-22 23:18:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2409 transitions. [2021-11-22 23:18:01,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:18:01,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:01,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:01,834 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 205 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 23:18:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2024 states and 2409 transitions. [2021-11-22 23:18:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2409 transitions. [2021-11-22 23:18:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:18:02,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 205 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-22 23:18:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2025 states and 2409 transitions. [2021-11-22 23:18:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2409 transitions. [2021-11-22 23:18:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:18:02,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:02,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:03,584 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 143 proven. 86 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-22 23:18:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2174 states and 2611 transitions. [2021-11-22 23:18:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2611 transitions. [2021-11-22 23:18:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-22 23:18:14,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:14,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-22 23:18:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2331 states and 2778 transitions. [2021-11-22 23:18:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2778 transitions. [2021-11-22 23:18:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-22 23:18:18,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-22 23:18:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2257 states and 2698 transitions. [2021-11-22 23:18:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2698 transitions. [2021-11-22 23:18:19,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:18:19,810 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 132 iterations. [2021-11-22 23:18:19,822 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:18:28,496 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-22 23:18:28,508 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2021-11-22 23:18:28,509 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:18:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:18:28 ImpRootNode [2021-11-22 23:18:28,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:18:28,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:18:28,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:18:28,511 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:18:28,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:26" (3/4) ... [2021-11-22 23:18:28,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:18:28,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2021-11-22 23:18:28,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 23:18:28,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-22 23:18:28,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:18:28,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:18:28,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:18:28,666 INFO L158 Benchmark]: Toolchain (without parser) took 124514.95ms. Allocated memory was 90.2MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 54.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 348.9MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,667 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:18:28,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.90ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.1MB in the beginning and 67.6MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.91ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 61.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,668 INFO L158 Benchmark]: Boogie Preprocessor took 113.61ms. Allocated memory is still 109.1MB. Free memory was 61.9MB in the beginning and 57.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,668 INFO L158 Benchmark]: RCFGBuilder took 1484.15ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 58.3MB in the end (delta: -589.5kB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,669 INFO L158 Benchmark]: CodeCheck took 121896.20ms. Allocated memory was 109.1MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 58.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 767.2MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,669 INFO L158 Benchmark]: Witness Printer took 155.36ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:18:28,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 113.1s, OverallIterations: 132, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 292352 SdHoareTripleChecker+Valid, 667.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 289633 mSDsluCounter, 51559 SdHoareTripleChecker+Invalid, 548.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44880 mSDsCounter, 75029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 623804 IncrementalHoareTripleChecker+Invalid, 698833 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75029 mSolverCounterUnsat, 6679 mSDtfsCounter, 623804 mSolverCounterSat, 5.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134613 GetRequests, 130073 SyntacticMatches, 3404 SemanticMatches, 1136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 815325 ImplicationChecksByTransitivity, 89.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 19537 NumberOfCodeBlocks, 19537 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 19406 ConstructedInterpolants, 0 QuantifiedInterpolants, 58786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 131 InterpolantComputations, 118 PerfectInterpolantSequences, 15131/15711 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 504]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((!(5 == a16) || !(a20 == 1)) || !(a21 == 1)) || (((a12 == 8 && 14 == a8) && !(a17 == 1)) && a7 == 1)) || 15 <= a8 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((!(5 == a16) || !(a20 == 1)) || !(a21 == 1)) || (((a12 == 8 && 14 == a8) && !(a17 == 1)) && a7 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.90ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.1MB in the beginning and 67.6MB in the end (delta: -13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.91ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 61.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.61ms. Allocated memory is still 109.1MB. Free memory was 61.9MB in the beginning and 57.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1484.15ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 58.3MB in the end (delta: -589.5kB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 121896.20ms. Allocated memory was 109.1MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 58.3MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 767.2MB. Max. memory is 16.1GB. * Witness Printer took 155.36ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:18:28,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccc61384-69d4-47ba-abe2-7790a38304d9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE