./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/half_2.i --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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/half_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/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 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:23:13,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:23:13,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:23:13,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:23:13,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:23:13,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:23:13,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:23:13,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:23:13,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:23:13,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:23:13,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:23:13,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:23:13,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:23:13,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:23:13,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:23:13,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:23:13,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:23:13,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:23:13,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:23:13,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:23:13,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:23:13,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:23:13,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:23:13,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:23:14,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:23:14,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:23:14,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:23:14,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:23:14,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:23:14,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:23:14,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:23:14,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:23:14,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:23:14,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:23:14,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:23:14,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:23:14,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:23:14,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:23:14,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:23:14,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:23:14,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:23:14,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:23:14,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:23:14,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:23:14,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:23:14,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:23:14,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:23:14,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:23:14,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:23:14,096 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:23:14,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:23:14,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:23:14,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:23:14,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:23:14,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:23:14,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:23:14,100 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:23:14,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:23:14,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:23:14,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:23:14,101 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:23:14,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:23:14,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:23:14,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:14,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:23:14,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:23:14,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:23:14,103 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:23:14,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:23:14,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:23:14,104 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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 [2021-11-22 23:23:14,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:23:14,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:23:14,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:23:14,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:23:14,487 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:23:14,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loop-invgen/half_2.i [2021-11-22 23:23:14,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/data/cc1cab385/5aae94a073c04abe9b49c410ff153e17/FLAGae4a3e293 [2021-11-22 23:23:15,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:23:15,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/sv-benchmarks/c/loop-invgen/half_2.i [2021-11-22 23:23:15,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/data/cc1cab385/5aae94a073c04abe9b49c410ff153e17/FLAGae4a3e293 [2021-11-22 23:23:15,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/data/cc1cab385/5aae94a073c04abe9b49c410ff153e17 [2021-11-22 23:23:15,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:23:15,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:23:15,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:15,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:23:15,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:23:15,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52faab5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15, skipping insertion in model container [2021-11-22 23:23:15,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:23:15,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:23:15,820 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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/sv-benchmarks/c/loop-invgen/half_2.i[893,906] [2021-11-22 23:23:15,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:15,857 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:23:15,875 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_9bb76e2a-a04b-4f36-88d7-f78c5170262b/sv-benchmarks/c/loop-invgen/half_2.i[893,906] [2021-11-22 23:23:15,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:15,897 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:23:15,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15 WrapperNode [2021-11-22 23:23:15,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:15,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:15,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:23:15,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:23:15,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,944 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2021-11-22 23:23:15,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:15,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:23:15,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:23:15,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:23:15,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:23:15,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:23:15,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:23:15,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:23:15,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:15" (1/1) ... [2021-11-22 23:23:15,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:23:16,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:23:16,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bb76e2a-a04b-4f36-88d7-f78c5170262b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:23:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:23:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:23:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:23:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:23:16,186 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:23:16,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:23:16,388 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:23:16,435 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:23:16,435 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:23:16,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:16 BoogieIcfgContainer [2021-11-22 23:23:16,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:23:16,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:23:16,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:23:16,454 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:23:16,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:16" (1/1) ... [2021-11-22 23:23:16,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:23:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-22 23:23:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-22 23:23:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:23:16,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:16,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:16,921 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 23:23:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-22 23:23:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-22 23:23:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:23:17,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2021-11-22 23:23:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2021-11-22 23:23:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:23:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2021-11-22 23:23:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2021-11-22 23:23:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:23:18,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:18,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2021-11-22 23:23:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2021-11-22 23:23:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:23:18,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:18,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2021-11-22 23:23:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2021-11-22 23:23:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:23:19,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:19,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:20,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2021-11-22 23:23:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2021-11-22 23:23:20,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:23:20,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:20,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2021-11-22 23:23:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2021-11-22 23:23:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:23:21,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:21,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:21,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2021-11-22 23:23:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2021-11-22 23:23:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:23:22,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:22,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:24,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2021-11-22 23:23:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2021-11-22 23:23:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:23:24,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:24,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2021-11-22 23:23:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2021-11-22 23:23:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:23:25,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:25,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 32 states and 65 transitions. [2021-11-22 23:23:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 65 transitions. [2021-11-22 23:23:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:23:26,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:26,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2021-11-22 23:23:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2021-11-22 23:23:28,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:23:28,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:28,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2021-11-22 23:23:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2021-11-22 23:23:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:23:31,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:31,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2021-11-22 23:23:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2021-11-22 23:23:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:23:32,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:32,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2021-11-22 23:23:35,499 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2021-11-22 23:23:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:23:35,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:35,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2021-11-22 23:23:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2021-11-22 23:23:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:23:36,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:36,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2021-11-22 23:23:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2021-11-22 23:23:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:23:41,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:41,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 107 transitions. [2021-11-22 23:23:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2021-11-22 23:23:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:23:45,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:45,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:49,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2021-11-22 23:23:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2021-11-22 23:23:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:23:49,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:49,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-22 23:23:52,577 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-22 23:23:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:23:52,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 74 states and 139 transitions. [2021-11-22 23:23:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2021-11-22 23:23:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:58,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2021-11-22 23:24:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2021-11-22 23:24:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:00,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 80 states and 154 transitions. [2021-11-22 23:24:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2021-11-22 23:24:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:24:05,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:05,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 156 transitions. [2021-11-22 23:24:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 156 transitions. [2021-11-22 23:24:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:06,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2021-11-22 23:24:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2021-11-22 23:24:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:24:11,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:11,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2021-11-22 23:24:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2021-11-22 23:24:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:24:15,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:15,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 91 states and 180 transitions. [2021-11-22 23:24:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2021-11-22 23:24:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:24:17,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:17,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 98 states and 190 transitions. [2021-11-22 23:24:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 190 transitions. [2021-11-22 23:24:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:25,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 100 states and 196 transitions. [2021-11-22 23:24:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 196 transitions. [2021-11-22 23:24:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:27,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 104 states and 203 transitions. [2021-11-22 23:24:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 203 transitions. [2021-11-22 23:24:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:24:33,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:33,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 106 states and 212 transitions. [2021-11-22 23:24:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 212 transitions. [2021-11-22 23:24:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:24:35,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:35,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 109 states and 220 transitions. [2021-11-22 23:24:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 220 transitions. [2021-11-22 23:24:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:24:38,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 117 states and 237 transitions. [2021-11-22 23:24:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 237 transitions. [2021-11-22 23:24:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:47,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 121 states and 244 transitions. [2021-11-22 23:24:54,179 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 244 transitions. [2021-11-22 23:24:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:24:54,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:00,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 128 states and 264 transitions. [2021-11-22 23:25:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 264 transitions. [2021-11-22 23:25:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:00,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 129 states and 267 transitions. [2021-11-22 23:25:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 267 transitions. [2021-11-22 23:25:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:02,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 131 states and 270 transitions. [2021-11-22 23:25:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 270 transitions. [2021-11-22 23:25:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:03,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 133 states and 277 transitions. [2021-11-22 23:25:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 277 transitions. [2021-11-22 23:25:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:25:05,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:06,177 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 58 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 135 states and 287 transitions. [2021-11-22 23:25:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 287 transitions. [2021-11-22 23:25:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:25:07,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:07,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 139 states and 296 transitions. [2021-11-22 23:25:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 296 transitions. [2021-11-22 23:25:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:14,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:14,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 58 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 146 states and 310 transitions. [2021-11-22 23:25:23,371 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 310 transitions. [2021-11-22 23:25:23,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:25:23,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 145 states and 308 transitions. [2021-11-22 23:25:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 308 transitions. [2021-11-22 23:25:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:25,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 328 transitions. [2021-11-22 23:25:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 328 transitions. [2021-11-22 23:25:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:33,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 156 states and 335 transitions. [2021-11-22 23:25:42,217 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 335 transitions. [2021-11-22 23:25:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:42,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:42,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 158 states and 343 transitions. [2021-11-22 23:25:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 343 transitions. [2021-11-22 23:25:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:44,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:44,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 160 states and 354 transitions. [2021-11-22 23:25:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 354 transitions. [2021-11-22 23:25:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:25:46,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 162 states and 362 transitions. [2021-11-22 23:25:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 362 transitions. [2021-11-22 23:25:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:25:48,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 28 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 165 states and 370 transitions. [2021-11-22 23:25:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 370 transitions. [2021-11-22 23:25:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:25:53,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:53,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 172 states and 381 transitions. [2021-11-22 23:26:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 381 transitions. [2021-11-22 23:26:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:26:01,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:01,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 180 states and 394 transitions. [2021-11-22 23:26:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 394 transitions. [2021-11-22 23:26:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:15,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:15,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 187 states and 414 transitions. [2021-11-22 23:26:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 414 transitions. [2021-11-22 23:26:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:24,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:24,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 70 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 191 states and 421 transitions. [2021-11-22 23:26:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 421 transitions. [2021-11-22 23:26:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:35,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:35,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 195 states and 435 transitions. [2021-11-22 23:26:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 435 transitions. [2021-11-22 23:26:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:40,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:40,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 197 states and 447 transitions. [2021-11-22 23:26:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 447 transitions. [2021-11-22 23:26:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:42,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:42,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 199 states and 456 transitions. [2021-11-22 23:26:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 456 transitions. [2021-11-22 23:26:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:45,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:45,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 201 states and 464 transitions. [2021-11-22 23:26:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 464 transitions. [2021-11-22 23:26:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:26:48,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 203 states and 467 transitions. [2021-11-22 23:26:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 467 transitions. [2021-11-22 23:26:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:26:51,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:51,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 36 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 207 states and 477 transitions. [2021-11-22 23:27:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 477 transitions. [2021-11-22 23:27:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:27:00,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:00,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 213 states and 486 transitions. [2021-11-22 23:27:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 486 transitions. [2021-11-22 23:27:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:27:10,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:10,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 45 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:13,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 212 states and 484 transitions. [2021-11-22 23:27:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 484 transitions. [2021-11-22 23:27:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:27:13,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:13,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 219 states and 494 transitions. [2021-11-22 23:27:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 494 transitions. [2021-11-22 23:27:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:27:28,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:28,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 226 states and 517 transitions. [2021-11-22 23:27:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 517 transitions. [2021-11-22 23:27:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:27:40,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:40,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 92 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 230 states and 524 transitions. [2021-11-22 23:27:51,820 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 524 transitions. [2021-11-22 23:27:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:27:51,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:51,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 234 states and 533 transitions. [2021-11-22 23:27:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 533 transitions. [2021-11-22 23:27:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:27:57,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:57,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 238 states and 544 transitions. [2021-11-22 23:28:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 544 transitions. [2021-11-22 23:28:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:28:02,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:02,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 242 states and 557 transitions. [2021-11-22 23:28:08,479 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 557 transitions. [2021-11-22 23:28:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:28:08,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:08,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:11,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 244 states and 567 transitions. [2021-11-22 23:28:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 567 transitions. [2021-11-22 23:28:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:28:11,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:11,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 246 states and 577 transitions. [2021-11-22 23:28:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 577 transitions. [2021-11-22 23:28:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:28:15,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:15,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 127 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 248 states and 590 transitions. [2021-11-22 23:28:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 590 transitions. [2021-11-22 23:28:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:28:18,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:18,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 45 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 251 states and 597 transitions. [2021-11-22 23:28:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 597 transitions. [2021-11-22 23:28:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:28:24,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:24,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 127 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 259 states and 613 transitions. [2021-11-22 23:28:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 613 transitions. [2021-11-22 23:28:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:28:38,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:38,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 263 states and 620 transitions. [2021-11-22 23:28:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 620 transitions. [2021-11-22 23:28:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:28:50,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:50,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 270 states and 645 transitions. [2021-11-22 23:29:02,260 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 645 transitions. [2021-11-22 23:29:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:02,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:02,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 273 states and 650 transitions. [2021-11-22 23:29:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 650 transitions. [2021-11-22 23:29:07,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:07,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:07,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 275 states and 658 transitions. [2021-11-22 23:29:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 658 transitions. [2021-11-22 23:29:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:11,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:11,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 279 states and 669 transitions. [2021-11-22 23:29:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 669 transitions. [2021-11-22 23:29:18,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:18,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:18,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 283 states and 685 transitions. [2021-11-22 23:29:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 685 transitions. [2021-11-22 23:29:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:24,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:24,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 285 states and 699 transitions. [2021-11-22 23:29:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 699 transitions. [2021-11-22 23:29:28,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:28,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:28,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:32,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 287 states and 708 transitions. [2021-11-22 23:29:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 708 transitions. [2021-11-22 23:29:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:32,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:32,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 156 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 289 states and 719 transitions. [2021-11-22 23:29:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 719 transitions. [2021-11-22 23:29:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:29:35,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:35,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 55 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 293 states and 728 transitions. [2021-11-22 23:29:45,518 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 728 transitions. [2021-11-22 23:29:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:29:45,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:45,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 300 states and 742 transitions. [2021-11-22 23:29:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 742 transitions. [2021-11-22 23:29:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:29:59,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:59,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 66 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 299 states and 740 transitions. [2021-11-22 23:30:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 740 transitions. [2021-11-22 23:30:03,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:03,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:03,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 306 states and 769 transitions. [2021-11-22 23:30:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 769 transitions. [2021-11-22 23:30:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:14,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:14,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 145 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 310 states and 776 transitions. [2021-11-22 23:30:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 776 transitions. [2021-11-22 23:30:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:27,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:27,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 314 states and 789 transitions. [2021-11-22 23:30:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 789 transitions. [2021-11-22 23:30:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:32,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:32,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 316 states and 795 transitions. [2021-11-22 23:30:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 795 transitions. [2021-11-22 23:30:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:36,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:36,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 318 states and 798 transitions. [2021-11-22 23:30:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 798 transitions. [2021-11-22 23:30:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:40,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:40,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 322 states and 815 transitions. [2021-11-22 23:30:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 815 transitions. [2021-11-22 23:30:46,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:46,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:46,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 324 states and 827 transitions. [2021-11-22 23:30:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 827 transitions. [2021-11-22 23:30:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:50,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:50,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 326 states and 837 transitions. [2021-11-22 23:30:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 837 transitions. [2021-11-22 23:30:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:53,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:53,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 328 states and 852 transitions. [2021-11-22 23:30:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 852 transitions. [2021-11-22 23:30:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:30:57,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:57,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 188 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 330 states and 860 transitions. [2021-11-22 23:31:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 860 transitions. [2021-11-22 23:31:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:31:00,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:00,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 66 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 333 states and 868 transitions. [2021-11-22 23:31:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 868 transitions. [2021-11-22 23:31:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:31:07,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:07,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 188 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 340 states and 879 transitions. [2021-11-22 23:31:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 879 transitions. [2021-11-22 23:31:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:31:18,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 188 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 348 states and 892 transitions. [2021-11-22 23:31:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 892 transitions. [2021-11-22 23:31:38,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:31:38,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 351 states and 911 transitions. [2021-11-22 23:31:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 911 transitions. [2021-11-22 23:31:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:31:45,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:45,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 176 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 355 states and 918 transitions. [2021-11-22 23:32:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 918 transitions. [2021-11-22 23:32:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:00,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:00,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 359 states and 930 transitions. [2021-11-22 23:32:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 930 transitions. [2021-11-22 23:32:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:07,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:07,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 363 states and 948 transitions. [2021-11-22 23:32:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 948 transitions. [2021-11-22 23:32:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:14,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:14,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 367 states and 962 transitions. [2021-11-22 23:32:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 962 transitions. [2021-11-22 23:32:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:20,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:20,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 369 states and 973 transitions. [2021-11-22 23:32:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 973 transitions. [2021-11-22 23:32:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:24,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:24,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 371 states and 986 transitions. [2021-11-22 23:32:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 986 transitions. [2021-11-22 23:32:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:28,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:28,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 373 states and 1002 transitions. [2021-11-22 23:32:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1002 transitions. [2021-11-22 23:32:32,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:32,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:32,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:33,988 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 377 states and 1015 transitions. [2021-11-22 23:32:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1015 transitions. [2021-11-22 23:32:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:40,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:40,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 381 states and 1024 transitions. [2021-11-22 23:32:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1024 transitions. [2021-11-22 23:32:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:32:47,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:47,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:51,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 383 states and 1032 transitions. [2021-11-22 23:32:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1032 transitions. [2021-11-22 23:32:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:32:51,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:51,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 78 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 387 states and 1042 transitions. [2021-11-22 23:33:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1042 transitions. [2021-11-22 23:33:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:33:03,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:03,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 223 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 393 states and 1051 transitions. [2021-11-22 23:33:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 1051 transitions. [2021-11-22 23:33:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:33:17,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:17,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 91 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 392 states and 1049 transitions. [2021-11-22 23:33:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1049 transitions. [2021-11-22 23:33:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:33:21,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:21,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 223 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 399 states and 1059 transitions. [2021-11-22 23:33:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1059 transitions. [2021-11-22 23:33:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:33:52,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:52,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 261 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 406 states and 1090 transitions. [2021-11-22 23:34:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1090 transitions. [2021-11-22 23:34:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:34:09,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:09,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 210 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:26,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 410 states and 1097 transitions. [2021-11-22 23:34:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1097 transitions. [2021-11-22 23:34:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:34:26,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:26,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 261 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 414 states and 1106 transitions. [2021-11-22 23:34:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1106 transitions. [2021-11-22 23:34:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:34:34,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:34,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:36,521 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 261 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.