./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/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_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/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_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/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 bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:37,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:37,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:37,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:37,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:37,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:37,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:37,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:37,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:37,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:37,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:37,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:37,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:37,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:37,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:37,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:37,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:37,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:37,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:37,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:37,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:37,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:37,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:37,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:37,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:37,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:37,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:37,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:37,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:37,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:37,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:37,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:37,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:37,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:37,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:37,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:37,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:37,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:37,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:37,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:37,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:37,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:37,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:37,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:37,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:37,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:37,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:37,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:37,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:37,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:37,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:37,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:37,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:37,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:37,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:37,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:37,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:37,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:37,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:37,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:37,205 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:37,206 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:37,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:37,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:37,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:37,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:37,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:37,207 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:37,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:37,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:37,208 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_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2021-11-23 00:59:37,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:37,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:37,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:37,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:37,562 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:37,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2021-11-23 00:59:37,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/data/a3ffe565b/cc670bf51134433186e6bf8dd53e6eff/FLAG22d9217db [2021-11-23 00:59:38,094 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:38,097 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2021-11-23 00:59:38,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/data/a3ffe565b/cc670bf51134433186e6bf8dd53e6eff/FLAG22d9217db [2021-11-23 00:59:38,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/data/a3ffe565b/cc670bf51134433186e6bf8dd53e6eff [2021-11-23 00:59:38,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:38,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:38,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:38,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:38,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:38,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f145b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38, skipping insertion in model container [2021-11-23 00:59:38,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:38,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:38,655 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_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c[321,334] [2021-11-23 00:59:38,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:38,719 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:38,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c[321,334] [2021-11-23 00:59:38,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:38,781 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:38,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38 WrapperNode [2021-11-23 00:59:38,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:38,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:38,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:38,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:38,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,842 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2021-11-23 00:59:38,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:38,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:38,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:38,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:38,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:38,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:38,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:38,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:38,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:38" (1/1) ... [2021-11-23 00:59:38,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:38,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:38,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:38,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce87a63b-c0da-4a8f-8fc3-04f8f1a45d61/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:59:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:59:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:59:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:59:39,053 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:39,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:39,299 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:39,328 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:39,329 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 00:59:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:39 BoogieIcfgContainer [2021-11-23 00:59:39,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:39,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:39,333 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:39,343 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:39,343 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:39" (1/1) ... [2021-11-23 00:59:39,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2021-11-23 00:59:39,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2021-11-23 00:59:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:59:39,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:39,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:59:39,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 00:59:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 00:59:39,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:59:39,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:39,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:59:39,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:40,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-23 00:59:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-23 00:59:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:59:40,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:59:40,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:40,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-23 00:59:40,205 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-23 00:59:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:59:40,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:59:40,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:59:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:59:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:59:40,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 00:59:40,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 00:59:40,652 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 00:59:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:59:40,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:59:40,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 00:59:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 00:59:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:59:40,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:40,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:40,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:59:40,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-23 00:59:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-23 00:59:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:59:41,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:41,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:41,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:59:41,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2021-11-23 00:59:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2021-11-23 00:59:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:59:41,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:41,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:41,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:59:41,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-11-23 00:59:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-11-23 00:59:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:59:41,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:41,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:41,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:41,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2021-11-23 00:59:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2021-11-23 00:59:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:59:41,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:41,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:41,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:59:41,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:42,054 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-11-23 00:59:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-11-23 00:59:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:59:42,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 00:59:42,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-23 00:59:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-23 00:59:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:59:42,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 00:59:42,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-11-23 00:59:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-23 00:59:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:59:42,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:59:42,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-11-23 00:59:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-11-23 00:59:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:59:42,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:42,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:42,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:59:42,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-23 00:59:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 00:59:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:59:43,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:43,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 00:59:43,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2021-11-23 00:59:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-23 00:59:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:59:43,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:43,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:59:43,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2021-11-23 00:59:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2021-11-23 00:59:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:59:43,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:43,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:59:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2021-11-23 00:59:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2021-11-23 00:59:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:59:44,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 00:59:44,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 00:59:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:59:44,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2021-11-23 00:59:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2021-11-23 00:59:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:44,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-23 00:59:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-23 00:59:45,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:59:45,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-23 00:59:45,417 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-23 00:59:45,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:45,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 00:59:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 00:59:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:45,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 00:59:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 00:59:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:59:46,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2021-11-23 00:59:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2021-11-23 00:59:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:59:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2021-11-23 00:59:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-23 00:59:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:59:46,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:47,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 00:59:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 00:59:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:59:47,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:47,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:47,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:59:47,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-23 00:59:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 00:59:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:59:47,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:47,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:47,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:59:47,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2021-11-23 00:59:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2021-11-23 00:59:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:59:48,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 00:59:48,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2021-11-23 00:59:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2021-11-23 00:59:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:59:48,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:59:48,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2021-11-23 00:59:49,046 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2021-11-23 00:59:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:59:49,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:49,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 00:59:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:49,347 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2021-11-23 00:59:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-23 00:59:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:59:49,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:49,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:59:49,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2021-11-23 00:59:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2021-11-23 00:59:49,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:59:49,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:49,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 00:59:49,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2021-11-23 00:59:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2021-11-23 00:59:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:59:50,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:59:50,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2021-11-23 00:59:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2021-11-23 00:59:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:59:50,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:50,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 00:59:50,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2021-11-23 00:59:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-11-23 00:59:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:59:51,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:51,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:51,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 00:59:51,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2021-11-23 00:59:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2021-11-23 00:59:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:59:51,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:51,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:51,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 00:59:51,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-23 00:59:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-23 00:59:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:59:52,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 00:59:52,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-23 00:59:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-23 00:59:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:52,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 00:59:52,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-23 00:59:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-23 00:59:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:59:53,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:53,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 00:59:53,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2021-11-23 00:59:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-23 00:59:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:59:53,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:53,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 00:59:53,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2021-11-23 00:59:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-23 00:59:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:59:54,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 00:59:54,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-23 00:59:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-23 00:59:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:59:54,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:54,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 00:59:54,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:55,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-23 00:59:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-23 00:59:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:59:55,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:55,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 00:59:55,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-23 00:59:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-23 00:59:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:59:56,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 00:59:56,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-23 00:59:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-23 00:59:56,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:59:56,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:56,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 00:59:56,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-11-23 00:59:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-11-23 00:59:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:59:57,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 00:59:57,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2021-11-23 00:59:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2021-11-23 00:59:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:59:57,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 00:59:57,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-23 00:59:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-23 00:59:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:59:58,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 00:59:58,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-23 00:59:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-23 00:59:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:59:58,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:58,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:58,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 00:59:58,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2021-11-23 00:59:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2021-11-23 00:59:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:59:59,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:59,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 00:59:59,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-23 01:00:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-23 01:00:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:00:00,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:00:00,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2021-11-23 01:00:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2021-11-23 01:00:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:00:00,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:00,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:00:00,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2021-11-23 01:00:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2021-11-23 01:00:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:00:01,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:01,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:01,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:00:01,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2021-11-23 01:00:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2021-11-23 01:00:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:00:02,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:00:02,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2021-11-23 01:00:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2021-11-23 01:00:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:00:02,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:02,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:00:02,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2021-11-23 01:00:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2021-11-23 01:00:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:00:03,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:00:03,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2021-11-23 01:00:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2021-11-23 01:00:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:00:03,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:03,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:03,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:00:03,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2021-11-23 01:00:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2021-11-23 01:00:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:00:04,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:04,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:00:04,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2021-11-23 01:00:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2021-11-23 01:00:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:00:05,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-23 01:00:05,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2021-11-23 01:00:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-11-23 01:00:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:00:05,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-23 01:00:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2021-11-23 01:00:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2021-11-23 01:00:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:00:06,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-23 01:00:06,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:07,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2021-11-23 01:00:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-23 01:00:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:00:07,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:07,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-23 01:00:07,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-23 01:00:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-23 01:00:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:00:07,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:07,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-23 01:00:07,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2021-11-23 01:00:08,499 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2021-11-23 01:00:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:00:08,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:08,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:08,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-23 01:00:08,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2021-11-23 01:00:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2021-11-23 01:00:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:00:09,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 01:00:09,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2021-11-23 01:00:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2021-11-23 01:00:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:00:09,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:09,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:00:10,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 81 states and 90 transitions. [2021-11-23 01:00:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 90 transitions. [2021-11-23 01:00:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:00:10,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:10,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:10,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-23 01:00:10,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-23 01:00:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-23 01:00:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:00:11,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-23 01:00:11,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-23 01:00:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-23 01:00:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:00:12,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-23 01:00:12,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-23 01:00:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-23 01:00:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:00:12,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:12,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-23 01:00:12,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-23 01:00:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-23 01:00:13,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:00:13,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:13,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:13,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-23 01:00:13,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-23 01:00:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-23 01:00:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:00:14,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:14,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:14,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 01:00:14,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 87 states and 96 transitions. [2021-11-23 01:00:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 96 transitions. [2021-11-23 01:00:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:00:15,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:15,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-23 01:00:15,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 88 states and 97 transitions. [2021-11-23 01:00:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2021-11-23 01:00:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:00:15,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-23 01:00:16,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 89 states and 98 transitions. [2021-11-23 01:00:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2021-11-23 01:00:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:00:16,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:16,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-23 01:00:16,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-23 01:00:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-23 01:00:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:00:17,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:17,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:17,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-23 01:00:17,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 91 states and 100 transitions. [2021-11-23 01:00:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2021-11-23 01:00:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:00:18,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-23 01:00:18,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 92 states and 101 transitions. [2021-11-23 01:00:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2021-11-23 01:00:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:00:18,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:18,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:19,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-23 01:00:19,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 93 states and 102 transitions. [2021-11-23 01:00:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2021-11-23 01:00:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:00:19,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:19,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:19,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-23 01:00:19,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 94 states and 103 transitions. [2021-11-23 01:00:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2021-11-23 01:00:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 01:00:20,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:20,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:20,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-23 01:00:20,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2021-11-23 01:00:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2021-11-23 01:00:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:00:21,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:21,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:21,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-23 01:00:21,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3322 backedges. 1 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 96 states and 105 transitions. [2021-11-23 01:00:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 105 transitions. [2021-11-23 01:00:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:00:22,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:22,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:22,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-23 01:00:22,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 1 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2021-11-23 01:00:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2021-11-23 01:00:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:00:23,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:23,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:23,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-23 01:00:23,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3487 backedges. 1 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 98 states and 107 transitions. [2021-11-23 01:00:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2021-11-23 01:00:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:00:23,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:23,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:24,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-23 01:00:24,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 1 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2021-11-23 01:00:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2021-11-23 01:00:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 01:00:24,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:24,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:24,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 01:00:24,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3656 backedges. 1 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:25,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 100 states and 109 transitions. [2021-11-23 01:00:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 109 transitions. [2021-11-23 01:00:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:00:25,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:26,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-23 01:00:26,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3742 backedges. 1 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 101 states and 110 transitions. [2021-11-23 01:00:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2021-11-23 01:00:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:00:26,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:26,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:27,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-23 01:00:27,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3829 backedges. 1 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 102 states and 111 transitions. [2021-11-23 01:00:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2021-11-23 01:00:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:00:27,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:27,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:27,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-23 01:00:27,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3917 backedges. 1 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-23 01:00:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-23 01:00:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:00:28,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:28,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:28,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-23 01:00:28,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 1 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 104 states and 113 transitions. [2021-11-23 01:00:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2021-11-23 01:00:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:00:29,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-23 01:00:29,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4096 backedges. 1 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 105 states and 114 transitions. [2021-11-23 01:00:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-23 01:00:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:00:30,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:30,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:30,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-23 01:00:30,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 1 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 106 states and 115 transitions. [2021-11-23 01:00:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2021-11-23 01:00:31,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:00:31,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:31,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:31,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-23 01:00:31,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4279 backedges. 1 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 107 states and 116 transitions. [2021-11-23 01:00:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2021-11-23 01:00:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:00:32,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:32,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-23 01:00:32,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:32,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4372 backedges. 1 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 108 states and 117 transitions. [2021-11-23 01:00:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 117 transitions. [2021-11-23 01:00:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:00:33,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:33,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:33,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-23 01:00:33,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4466 backedges. 1 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 109 states and 118 transitions. [2021-11-23 01:00:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2021-11-23 01:00:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 01:00:34,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:34,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:34,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-23 01:00:34,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4561 backedges. 1 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 110 states and 119 transitions. [2021-11-23 01:00:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2021-11-23 01:00:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:00:35,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:35,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:35,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-23 01:00:35,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:35,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4657 backedges. 1 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 111 states and 120 transitions. [2021-11-23 01:00:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2021-11-23 01:00:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 01:00:36,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:36,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-23 01:00:36,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4754 backedges. 1 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 112 states and 121 transitions. [2021-11-23 01:00:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 121 transitions. [2021-11-23 01:00:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 01:00:37,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:37,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-23 01:00:37,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4852 backedges. 1 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2021-11-23 01:00:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2021-11-23 01:00:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:00:38,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:38,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:38,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-23 01:00:38,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4951 backedges. 1 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 114 states and 123 transitions. [2021-11-23 01:00:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2021-11-23 01:00:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 01:00:39,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:39,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:39,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-23 01:00:39,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:39,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5051 backedges. 1 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 115 states and 124 transitions. [2021-11-23 01:00:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2021-11-23 01:00:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:00:40,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:40,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:40,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-23 01:00:40,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5152 backedges. 1 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:41,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 116 states and 125 transitions. [2021-11-23 01:00:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 125 transitions. [2021-11-23 01:00:41,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 01:00:41,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:41,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:41,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-23 01:00:41,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 1 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 117 states and 126 transitions. [2021-11-23 01:00:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2021-11-23 01:00:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 01:00:42,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:42,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:42,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-23 01:00:42,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5357 backedges. 1 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 118 states and 127 transitions. [2021-11-23 01:00:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2021-11-23 01:00:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:00:43,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:43,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-23 01:00:43,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 1 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 128 transitions. [2021-11-23 01:00:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2021-11-23 01:00:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:00:44,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:44,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:44,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-23 01:00:44,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 1 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 120 states and 129 transitions. [2021-11-23 01:00:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 129 transitions. [2021-11-23 01:00:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:00:45,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:45,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:45,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-23 01:00:45,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5672 backedges. 1 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 121 states and 130 transitions. [2021-11-23 01:00:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2021-11-23 01:00:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 01:00:46,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:46,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:46,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-23 01:00:46,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5779 backedges. 1 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2021-11-23 01:00:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2021-11-23 01:00:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:00:47,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:47,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:47,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-23 01:00:47,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5887 backedges. 1 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 123 states and 132 transitions. [2021-11-23 01:00:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2021-11-23 01:00:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:00:48,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:48,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-23 01:00:49,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5996 backedges. 1 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 124 states and 133 transitions. [2021-11-23 01:00:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2021-11-23 01:00:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 01:00:50,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:50,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:50,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-23 01:00:50,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 1 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2021-11-23 01:00:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2021-11-23 01:00:51,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:00:51,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:51,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:51,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-23 01:00:51,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6217 backedges. 1 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 126 states and 135 transitions. [2021-11-23 01:00:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2021-11-23 01:00:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:00:52,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:52,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:52,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-23 01:00:52,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6329 backedges. 1 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2021-11-23 01:00:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2021-11-23 01:00:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 01:00:53,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:53,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:53,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 01:00:53,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6442 backedges. 1 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 128 states and 137 transitions. [2021-11-23 01:00:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2021-11-23 01:00:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:00:54,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:54,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:54,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-23 01:00:54,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 6556 backedges. 1 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 129 states and 138 transitions. [2021-11-23 01:00:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 138 transitions. [2021-11-23 01:00:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 01:00:55,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:55,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:55,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-23 01:00:55,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6671 backedges. 1 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 130 states and 139 transitions. [2021-11-23 01:00:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2021-11-23 01:00:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:00:56,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:56,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:56,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-23 01:00:56,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6787 backedges. 1 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 131 states and 140 transitions. [2021-11-23 01:00:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2021-11-23 01:00:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:00:57,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:57,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-23 01:00:57,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6904 backedges. 1 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:58,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2021-11-23 01:00:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2021-11-23 01:00:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:00:58,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:58,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:59,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-23 01:00:59,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7022 backedges. 1 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2021-11-23 01:01:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2021-11-23 01:01:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:01:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:00,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:00,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-23 01:01:00,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7141 backedges. 1 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 134 states and 143 transitions. [2021-11-23 01:01:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2021-11-23 01:01:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:01:01,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:01,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:01,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-23 01:01:01,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:02,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 135 states and 144 transitions. [2021-11-23 01:01:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2021-11-23 01:01:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:01:02,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:02,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:02,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-23 01:01:02,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7382 backedges. 1 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 136 states and 145 transitions. [2021-11-23 01:01:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2021-11-23 01:01:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-23 01:01:03,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:03,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:03,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-23 01:01:03,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 7504 backedges. 1 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:05,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 137 states and 146 transitions. [2021-11-23 01:01:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2021-11-23 01:01:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:01:05,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:05,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:05,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-23 01:01:05,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7627 backedges. 1 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 138 states and 147 transitions. [2021-11-23 01:01:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2021-11-23 01:01:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 01:01:06,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:06,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:06,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-23 01:01:06,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7751 backedges. 1 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 139 states and 148 transitions. [2021-11-23 01:01:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2021-11-23 01:01:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 01:01:07,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:07,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:07,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-23 01:01:07,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7876 backedges. 1 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 140 states and 149 transitions. [2021-11-23 01:01:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2021-11-23 01:01:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:01:08,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:08,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:08,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-23 01:01:08,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 1 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:10,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 141 states and 150 transitions. [2021-11-23 01:01:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2021-11-23 01:01:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 01:01:10,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:10,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:10,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-23 01:01:10,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:10,844 INFO L134 CoverageAnalysis]: Checked inductivity of 8129 backedges. 1 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 142 states and 151 transitions. [2021-11-23 01:01:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 151 transitions. [2021-11-23 01:01:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:01:11,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:11,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:11,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-23 01:01:11,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8257 backedges. 1 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 143 states and 152 transitions. [2021-11-23 01:01:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2021-11-23 01:01:12,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:01:12,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:12,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-23 01:01:12,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8386 backedges. 1 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2021-11-23 01:01:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2021-11-23 01:01:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:01:13,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:13,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:13,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-23 01:01:13,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8516 backedges. 1 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2021-11-23 01:01:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2021-11-23 01:01:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-23 01:01:15,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:15,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:15,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-23 01:01:15,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8647 backedges. 1 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2021-11-23 01:01:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2021-11-23 01:01:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 01:01:16,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:16,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:16,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-23 01:01:16,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8779 backedges. 1 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:17,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2021-11-23 01:01:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2021-11-23 01:01:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:01:17,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:17,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:17,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-23 01:01:17,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 8912 backedges. 1 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2021-11-23 01:01:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2021-11-23 01:01:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-23 01:01:19,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:19,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:19,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-23 01:01:19,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9046 backedges. 1 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2021-11-23 01:01:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2021-11-23 01:01:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:01:20,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:20,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:20,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-23 01:01:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9181 backedges. 1 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:21,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2021-11-23 01:01:21,869 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2021-11-23 01:01:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 01:01:21,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:21,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:22,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-23 01:01:22,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 9317 backedges. 1 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2021-11-23 01:01:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2021-11-23 01:01:23,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-23 01:01:23,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:23,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:23,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-23 01:01:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9454 backedges. 1 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2021-11-23 01:01:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2021-11-23 01:01:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 01:01:24,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:24,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:24,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-23 01:01:24,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9592 backedges. 1 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2021-11-23 01:01:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2021-11-23 01:01:25,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-23 01:01:25,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:26,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-23 01:01:26,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9731 backedges. 1 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 154 states and 163 transitions. [2021-11-23 01:01:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2021-11-23 01:01:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:01:27,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:27,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:27,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-23 01:01:27,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9871 backedges. 1 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 155 states and 164 transitions. [2021-11-23 01:01:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 164 transitions. [2021-11-23 01:01:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:01:28,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:28,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:28,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-23 01:01:28,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10012 backedges. 1 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:30,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 156 states and 165 transitions. [2021-11-23 01:01:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 165 transitions. [2021-11-23 01:01:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-23 01:01:30,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:30,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:30,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-23 01:01:30,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10154 backedges. 1 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 157 states and 166 transitions. [2021-11-23 01:01:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 166 transitions. [2021-11-23 01:01:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:01:31,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:31,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:31,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-23 01:01:31,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10297 backedges. 1 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2021-11-23 01:01:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2021-11-23 01:01:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 01:01:33,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:33,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:33,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-23 01:01:33,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10441 backedges. 1 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 159 states and 168 transitions. [2021-11-23 01:01:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 168 transitions. [2021-11-23 01:01:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:01:34,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:34,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:34,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 01:01:34,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10586 backedges. 1 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 160 states and 169 transitions. [2021-11-23 01:01:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 169 transitions. [2021-11-23 01:01:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:01:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:35,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:36,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-23 01:01:36,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10732 backedges. 1 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 161 states and 170 transitions. [2021-11-23 01:01:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 170 transitions. [2021-11-23 01:01:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:01:37,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:37,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:37,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-23 01:01:37,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10879 backedges. 1 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 162 states and 171 transitions. [2021-11-23 01:01:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2021-11-23 01:01:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-23 01:01:38,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:38,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:39,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-23 01:01:39,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11027 backedges. 1 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 163 states and 172 transitions. [2021-11-23 01:01:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 172 transitions. [2021-11-23 01:01:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-23 01:01:40,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:40,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:40,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-23 01:01:40,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11176 backedges. 1 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 164 states and 173 transitions. [2021-11-23 01:01:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2021-11-23 01:01:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 01:01:41,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:41,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:41,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-23 01:01:41,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 11326 backedges. 1 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 165 states and 174 transitions. [2021-11-23 01:01:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2021-11-23 01:01:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:01:43,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:43,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-23 01:01:43,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11477 backedges. 1 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 166 states and 175 transitions. [2021-11-23 01:01:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 175 transitions. [2021-11-23 01:01:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:01:44,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:44,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:45,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-23 01:01:45,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11629 backedges. 1 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 167 states and 176 transitions. [2021-11-23 01:01:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 176 transitions. [2021-11-23 01:01:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 01:01:46,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:46,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:46,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-23 01:01:46,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11782 backedges. 1 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 168 states and 177 transitions. [2021-11-23 01:01:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 177 transitions. [2021-11-23 01:01:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-23 01:01:47,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:48,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-23 01:01:48,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 11936 backedges. 1 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 169 states and 178 transitions. [2021-11-23 01:01:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 178 transitions. [2021-11-23 01:01:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-23 01:01:49,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:49,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:49,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-23 01:01:49,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12091 backedges. 1 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 170 states and 179 transitions. [2021-11-23 01:01:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 179 transitions. [2021-11-23 01:01:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 01:01:51,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12247 backedges. 1 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 171 states and 180 transitions. [2021-11-23 01:01:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2021-11-23 01:01:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 01:01:52,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-23 01:01:52,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12404 backedges. 1 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 172 states and 181 transitions. [2021-11-23 01:01:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 181 transitions. [2021-11-23 01:01:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 01:01:54,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:54,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:54,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-23 01:01:54,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12562 backedges. 1 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 173 states and 182 transitions. [2021-11-23 01:01:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 182 transitions. [2021-11-23 01:01:56,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 01:01:56,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:56,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:56,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-23 01:01:56,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 1 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 174 states and 183 transitions. [2021-11-23 01:01:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2021-11-23 01:01:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-23 01:01:57,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:57,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:57,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-23 01:01:57,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12881 backedges. 1 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 175 states and 184 transitions. [2021-11-23 01:01:59,230 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 184 transitions. [2021-11-23 01:01:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-23 01:01:59,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:59,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:59,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-23 01:01:59,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13042 backedges. 1 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 176 states and 185 transitions. [2021-11-23 01:02:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 185 transitions. [2021-11-23 01:02:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 01:02:00,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:00,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:00,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-23 01:02:00,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13204 backedges. 1 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 177 states and 186 transitions. [2021-11-23 01:02:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 186 transitions. [2021-11-23 01:02:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:02:02,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:02,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:02,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-23 01:02:02,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 13367 backedges. 1 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:04,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 178 states and 187 transitions. [2021-11-23 01:02:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 187 transitions. [2021-11-23 01:02:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:02:04,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:04,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:04,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-23 01:02:04,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13531 backedges. 1 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 179 states and 188 transitions. [2021-11-23 01:02:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 188 transitions. [2021-11-23 01:02:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:02:05,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:05,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:06,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 01:02:06,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13696 backedges. 1 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 180 states and 189 transitions. [2021-11-23 01:02:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 189 transitions. [2021-11-23 01:02:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-23 01:02:07,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:07,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:07,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-23 01:02:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13862 backedges. 1 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 181 states and 190 transitions. [2021-11-23 01:02:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 190 transitions. [2021-11-23 01:02:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-23 01:02:09,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:09,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:09,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-23 01:02:09,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14029 backedges. 1 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 182 states and 191 transitions. [2021-11-23 01:02:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 191 transitions. [2021-11-23 01:02:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:02:11,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:11,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:11,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-23 01:02:11,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 14197 backedges. 1 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 183 states and 192 transitions. [2021-11-23 01:02:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 192 transitions. [2021-11-23 01:02:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-23 01:02:12,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:12,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:12,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-23 01:02:12,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14366 backedges. 1 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 184 states and 193 transitions. [2021-11-23 01:02:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 193 transitions. [2021-11-23 01:02:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:02:14,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:14,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:14,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-23 01:02:14,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14536 backedges. 1 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 185 states and 194 transitions. [2021-11-23 01:02:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 194 transitions. [2021-11-23 01:02:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-23 01:02:16,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:16,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:16,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-23 01:02:16,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14707 backedges. 1 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 186 states and 195 transitions. [2021-11-23 01:02:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 195 transitions. [2021-11-23 01:02:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-23 01:02:18,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:18,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:18,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-23 01:02:18,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14879 backedges. 1 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 187 states and 196 transitions. [2021-11-23 01:02:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 196 transitions. [2021-11-23 01:02:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-23 01:02:19,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:19,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:20,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-23 01:02:20,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15052 backedges. 1 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 188 states and 197 transitions. [2021-11-23 01:02:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 197 transitions. [2021-11-23 01:02:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 01:02:21,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:21,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:21,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-23 01:02:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15226 backedges. 1 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 189 states and 198 transitions. [2021-11-23 01:02:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2021-11-23 01:02:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 01:02:23,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:23,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:23,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-23 01:02:23,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15401 backedges. 1 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 190 states and 199 transitions. [2021-11-23 01:02:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 199 transitions. [2021-11-23 01:02:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-23 01:02:25,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:25,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-23 01:02:25,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15577 backedges. 1 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 191 states and 200 transitions. [2021-11-23 01:02:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2021-11-23 01:02:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 01:02:27,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15754 backedges. 1 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 192 states and 201 transitions. [2021-11-23 01:02:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 201 transitions. [2021-11-23 01:02:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-23 01:02:28,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:28,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-23 01:02:28,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:29,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15932 backedges. 1 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 193 states and 202 transitions. [2021-11-23 01:02:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 202 transitions. [2021-11-23 01:02:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-23 01:02:30,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:30,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:30,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-23 01:02:30,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16111 backedges. 1 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 194 states and 203 transitions. [2021-11-23 01:02:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 203 transitions. [2021-11-23 01:02:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-23 01:02:32,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:32,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-23 01:02:32,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16291 backedges. 1 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 195 states and 204 transitions. [2021-11-23 01:02:34,453 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 204 transitions. [2021-11-23 01:02:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-23 01:02:34,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:34,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:34,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1166 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-23 01:02:34,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16472 backedges. 1 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 196 states and 205 transitions. [2021-11-23 01:02:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 205 transitions. [2021-11-23 01:02:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-23 01:02:36,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:36,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:36,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-23 01:02:36,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 16654 backedges. 1 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 197 states and 206 transitions. [2021-11-23 01:02:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 206 transitions. [2021-11-23 01:02:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:02:38,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:38,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:38,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-23 01:02:38,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 16837 backedges. 1 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 198 states and 207 transitions. [2021-11-23 01:02:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 207 transitions. [2021-11-23 01:02:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 01:02:40,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:40,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:40,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-23 01:02:40,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 17021 backedges. 1 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 199 states and 208 transitions. [2021-11-23 01:02:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 208 transitions. [2021-11-23 01:02:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 01:02:42,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:42,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:42,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-23 01:02:42,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 17206 backedges. 1 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 200 states and 209 transitions. [2021-11-23 01:02:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2021-11-23 01:02:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 01:02:43,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:43,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:44,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-23 01:02:44,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 17392 backedges. 1 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 201 states and 210 transitions. [2021-11-23 01:02:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2021-11-23 01:02:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 01:02:45,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 1 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 202 states and 211 transitions. [2021-11-23 01:02:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 211 transitions. [2021-11-23 01:02:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-23 01:02:47,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:47,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:48,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-23 01:02:48,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 17767 backedges. 1 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2021-11-23 01:02:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2021-11-23 01:02:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 01:02:49,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 17956 backedges. 1 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 204 states and 213 transitions. [2021-11-23 01:02:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 213 transitions. [2021-11-23 01:02:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 01:02:51,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:51,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:51,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-23 01:02:51,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 18146 backedges. 1 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 205 states and 214 transitions. [2021-11-23 01:02:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 214 transitions. [2021-11-23 01:02:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 01:02:53,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:53,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:53,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-23 01:02:53,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18337 backedges. 1 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 206 states and 215 transitions. [2021-11-23 01:02:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 215 transitions. [2021-11-23 01:02:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 01:02:55,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:55,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:55,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-23 01:02:55,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 18529 backedges. 1 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:57,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 207 states and 216 transitions. [2021-11-23 01:02:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 216 transitions. [2021-11-23 01:02:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-23 01:02:57,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:58,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18722 backedges. 1 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 208 states and 217 transitions. [2021-11-23 01:02:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 217 transitions. [2021-11-23 01:02:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-23 01:02:59,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:59,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:59,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-23 01:02:59,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18916 backedges. 1 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 209 states and 218 transitions. [2021-11-23 01:03:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 218 transitions. [2021-11-23 01:03:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 01:03:01,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:01,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:01,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-23 01:03:01,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 19111 backedges. 1 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 210 states and 219 transitions. [2021-11-23 01:03:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 219 transitions. [2021-11-23 01:03:03,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-23 01:03:03,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:03,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:03,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-23 01:03:03,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 19307 backedges. 1 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 211 states and 220 transitions. [2021-11-23 01:03:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 220 transitions. [2021-11-23 01:03:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-23 01:03:05,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:05,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:05,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-23 01:03:05,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 19504 backedges. 1 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 212 states and 221 transitions. [2021-11-23 01:03:07,469 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 221 transitions. [2021-11-23 01:03:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 01:03:07,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-23 01:03:07,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 19702 backedges. 1 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 213 states and 222 transitions. [2021-11-23 01:03:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 222 transitions. [2021-11-23 01:03:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-23 01:03:09,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:09,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:09,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-23 01:03:09,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 19901 backedges. 1 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 214 states and 223 transitions. [2021-11-23 01:03:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 223 transitions. [2021-11-23 01:03:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-23 01:03:11,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:11,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:11,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-23 01:03:11,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20101 backedges. 1 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 215 states and 224 transitions. [2021-11-23 01:03:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 224 transitions. [2021-11-23 01:03:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 01:03:13,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20302 backedges. 1 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:15,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 216 states and 225 transitions. [2021-11-23 01:03:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2021-11-23 01:03:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 01:03:15,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:15,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:15,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-23 01:03:15,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20504 backedges. 1 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 217 states and 226 transitions. [2021-11-23 01:03:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 226 transitions. [2021-11-23 01:03:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-23 01:03:17,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:17,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-23 01:03:17,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20707 backedges. 1 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 218 states and 227 transitions. [2021-11-23 01:03:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 227 transitions. [2021-11-23 01:03:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 01:03:19,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:19,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:19,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-23 01:03:20,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20911 backedges. 1 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 219 states and 228 transitions. [2021-11-23 01:03:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 228 transitions. [2021-11-23 01:03:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 01:03:21,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:21,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:22,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-23 01:03:22,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 21116 backedges. 1 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 220 states and 229 transitions. [2021-11-23 01:03:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 229 transitions. [2021-11-23 01:03:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-23 01:03:24,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:24,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:24,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-23 01:03:24,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 1 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 221 states and 230 transitions. [2021-11-23 01:03:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 230 transitions. [2021-11-23 01:03:26,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-23 01:03:26,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21529 backedges. 1 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 222 states and 231 transitions. [2021-11-23 01:03:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 231 transitions. [2021-11-23 01:03:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-23 01:03:28,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 21737 backedges. 1 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:30,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 223 states and 232 transitions. [2021-11-23 01:03:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 232 transitions. [2021-11-23 01:03:30,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 01:03:30,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,790 INFO L134 CoverageAnalysis]: Checked inductivity of 21946 backedges. 1 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 224 states and 233 transitions. [2021-11-23 01:03:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 233 transitions. [2021-11-23 01:03:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 01:03:32,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 22156 backedges. 1 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 225 states and 234 transitions. [2021-11-23 01:03:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 234 transitions. [2021-11-23 01:03:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 01:03:34,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:34,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:34,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-23 01:03:34,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 22367 backedges. 1 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 226 states and 235 transitions. [2021-11-23 01:03:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 235 transitions. [2021-11-23 01:03:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-23 01:03:36,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:37,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-23 01:03:37,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:38,393 INFO L134 CoverageAnalysis]: Checked inductivity of 22579 backedges. 1 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:39,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 227 states and 236 transitions. [2021-11-23 01:03:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 236 transitions. [2021-11-23 01:03:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 01:03:39,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:39,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:39,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-23 01:03:39,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22792 backedges. 1 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 228 states and 237 transitions. [2021-11-23 01:03:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 237 transitions. [2021-11-23 01:03:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-23 01:03:41,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:41,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:41,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-23 01:03:41,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 23006 backedges. 1 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 229 states and 238 transitions. [2021-11-23 01:03:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 238 transitions. [2021-11-23 01:03:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 01:03:43,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:43,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:43,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-23 01:03:43,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 23221 backedges. 1 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 230 states and 239 transitions. [2021-11-23 01:03:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 239 transitions. [2021-11-23 01:03:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 01:03:45,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:45,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:46,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1376 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-23 01:03:46,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 23437 backedges. 1 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 231 states and 240 transitions. [2021-11-23 01:03:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 240 transitions. [2021-11-23 01:03:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-23 01:03:47,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:47,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:48,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-23 01:03:48,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 23654 backedges. 1 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 232 states and 241 transitions. [2021-11-23 01:03:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 241 transitions. [2021-11-23 01:03:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-23 01:03:50,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:50,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:50,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-23 01:03:50,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 23872 backedges. 1 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 233 states and 242 transitions. [2021-11-23 01:03:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 242 transitions. [2021-11-23 01:03:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 01:03:52,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:52,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-23 01:03:52,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24091 backedges. 1 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 234 states and 243 transitions. [2021-11-23 01:03:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 243 transitions. [2021-11-23 01:03:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-23 01:03:54,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:54,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:54,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-23 01:03:54,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24311 backedges. 1 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 235 states and 244 transitions. [2021-11-23 01:03:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 244 transitions. [2021-11-23 01:03:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-23 01:03:56,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:56,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:57,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-23 01:03:57,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 24532 backedges. 1 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 236 states and 245 transitions. [2021-11-23 01:03:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 245 transitions. [2021-11-23 01:03:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 01:03:59,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:59,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:59,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-23 01:03:59,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24754 backedges. 1 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 237 states and 246 transitions. [2021-11-23 01:04:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2021-11-23 01:04:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-23 01:04:01,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:01,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:01,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-23 01:04:01,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 24977 backedges. 1 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 238 states and 247 transitions. [2021-11-23 01:04:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 247 transitions. [2021-11-23 01:04:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-23 01:04:03,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:03,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:03,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-23 01:04:03,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 25201 backedges. 1 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 239 states and 248 transitions. [2021-11-23 01:04:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 248 transitions. [2021-11-23 01:04:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 01:04:06,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:06,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:06,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-23 01:04:06,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25426 backedges. 1 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 240 states and 249 transitions. [2021-11-23 01:04:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 249 transitions. [2021-11-23 01:04:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 01:04:08,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 25652 backedges. 1 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:10,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 241 states and 250 transitions. [2021-11-23 01:04:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 250 transitions. [2021-11-23 01:04:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-23 01:04:10,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:10,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-23 01:04:10,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 25879 backedges. 1 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 242 states and 251 transitions. [2021-11-23 01:04:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 251 transitions. [2021-11-23 01:04:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:04:13,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:13,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-23 01:04:13,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 26107 backedges. 1 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 243 states and 252 transitions. [2021-11-23 01:04:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 252 transitions. [2021-11-23 01:04:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-23 01:04:15,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:15,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:15,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-23 01:04:15,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26336 backedges. 1 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 244 states and 253 transitions. [2021-11-23 01:04:17,849 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 253 transitions. [2021-11-23 01:04:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 01:04:17,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:17,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-23 01:04:18,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26566 backedges. 1 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:20,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 245 states and 254 transitions. [2021-11-23 01:04:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 254 transitions. [2021-11-23 01:04:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 01:04:20,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:20,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:20,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-23 01:04:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 26797 backedges. 1 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 246 states and 255 transitions. [2021-11-23 01:04:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 255 transitions. [2021-11-23 01:04:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-23 01:04:22,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:22,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:23,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-23 01:04:23,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27029 backedges. 1 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 247 states and 256 transitions. [2021-11-23 01:04:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 256 transitions. [2021-11-23 01:04:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-23 01:04:25,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:25,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 27262 backedges. 1 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 248 states and 257 transitions. [2021-11-23 01:04:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 257 transitions. [2021-11-23 01:04:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 01:04:27,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27496 backedges. 1 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 249 states and 258 transitions. [2021-11-23 01:04:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 258 transitions. [2021-11-23 01:04:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-23 01:04:30,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:30,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:30,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-23 01:04:30,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 27731 backedges. 1 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 250 states and 259 transitions. [2021-11-23 01:04:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 259 transitions. [2021-11-23 01:04:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 01:04:32,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 27967 backedges. 1 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:34,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 251 states and 260 transitions. [2021-11-23 01:04:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 260 transitions. [2021-11-23 01:04:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 01:04:34,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:34,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:35,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-23 01:04:35,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,457 INFO L134 CoverageAnalysis]: Checked inductivity of 28204 backedges. 1 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 252 states and 261 transitions. [2021-11-23 01:04:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 261 transitions. [2021-11-23 01:04:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-23 01:04:37,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:37,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:37,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1508 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-23 01:04:37,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 28442 backedges. 1 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 253 states and 262 transitions. [2021-11-23 01:04:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 262 transitions. [2021-11-23 01:04:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-23 01:04:39,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:39,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:40,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1514 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-23 01:04:40,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 28681 backedges. 1 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 254 states and 263 transitions. [2021-11-23 01:04:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 263 transitions. [2021-11-23 01:04:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 01:04:42,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:42,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1520 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-23 01:04:42,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 28921 backedges. 1 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 255 states and 264 transitions. [2021-11-23 01:04:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 264 transitions. [2021-11-23 01:04:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-23 01:04:44,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:44,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:44,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-23 01:04:44,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 29162 backedges. 1 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 256 states and 265 transitions. [2021-11-23 01:04:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 265 transitions. [2021-11-23 01:04:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 01:04:46,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:46,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:47,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-23 01:04:47,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 29404 backedges. 1 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:49,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 257 states and 266 transitions. [2021-11-23 01:04:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 266 transitions. [2021-11-23 01:04:49,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-23 01:04:49,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:49,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-23 01:04:49,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:50,978 INFO L134 CoverageAnalysis]: Checked inductivity of 29647 backedges. 1 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 258 states and 267 transitions. [2021-11-23 01:04:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 267 transitions. [2021-11-23 01:04:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-23 01:04:51,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:51,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:52,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-23 01:04:52,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 29891 backedges. 1 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 259 states and 268 transitions. [2021-11-23 01:04:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 268 transitions. [2021-11-23 01:04:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-23 01:04:54,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:54,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:54,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-23 01:04:54,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30136 backedges. 1 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 260 states and 269 transitions. [2021-11-23 01:04:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 269 transitions. [2021-11-23 01:04:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-23 01:04:56,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:56,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:57,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1556 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-23 01:04:57,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 30382 backedges. 1 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 261 states and 270 transitions. [2021-11-23 01:04:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 270 transitions. [2021-11-23 01:04:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-23 01:04:59,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30629 backedges. 1 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 262 states and 271 transitions. [2021-11-23 01:05:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 271 transitions. [2021-11-23 01:05:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-23 01:05:01,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:01,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:01,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-23 01:05:01,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30877 backedges. 1 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 263 states and 272 transitions. [2021-11-23 01:05:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 272 transitions. [2021-11-23 01:05:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 01:05:04,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:04,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:04,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-23 01:05:04,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:06,008 INFO L134 CoverageAnalysis]: Checked inductivity of 31126 backedges. 1 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 264 states and 273 transitions. [2021-11-23 01:05:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 273 transitions. [2021-11-23 01:05:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-23 01:05:06,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:06,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:07,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1580 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-23 01:05:07,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 31376 backedges. 1 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 265 states and 274 transitions. [2021-11-23 01:05:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 274 transitions. [2021-11-23 01:05:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-23 01:05:09,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 31627 backedges. 1 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 266 states and 275 transitions. [2021-11-23 01:05:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 275 transitions. [2021-11-23 01:05:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 01:05:12,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:12,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:12,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-23 01:05:12,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31879 backedges. 1 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 267 states and 276 transitions. [2021-11-23 01:05:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 276 transitions. [2021-11-23 01:05:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 01:05:15,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:15,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:15,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-23 01:05:15,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32132 backedges. 1 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 268 states and 277 transitions. [2021-11-23 01:05:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 277 transitions. [2021-11-23 01:05:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 01:05:17,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:17,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:17,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-23 01:05:17,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 32386 backedges. 1 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 269 states and 278 transitions. [2021-11-23 01:05:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 278 transitions. [2021-11-23 01:05:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 01:05:20,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:20,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:20,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-23 01:05:20,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 32641 backedges. 1 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 270 states and 279 transitions. [2021-11-23 01:05:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 279 transitions. [2021-11-23 01:05:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 01:05:23,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:23,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:23,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-23 01:05:23,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 32897 backedges. 1 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 271 states and 280 transitions. [2021-11-23 01:05:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 280 transitions. [2021-11-23 01:05:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 01:05:26,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:26,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:26,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-23 01:05:26,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 33154 backedges. 1 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 272 states and 281 transitions. [2021-11-23 01:05:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 281 transitions. [2021-11-23 01:05:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-23 01:05:28,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:28,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:29,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-23 01:05:29,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 33412 backedges. 1 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 273 states and 282 transitions. [2021-11-23 01:05:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 282 transitions. [2021-11-23 01:05:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:05:31,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:31,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:32,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-23 01:05:32,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33671 backedges. 1 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 274 states and 283 transitions. [2021-11-23 01:05:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 283 transitions. [2021-11-23 01:05:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 01:05:34,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:34,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:35,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-23 01:05:35,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 33931 backedges. 1 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 275 states and 284 transitions. [2021-11-23 01:05:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 284 transitions. [2021-11-23 01:05:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 01:05:37,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:37,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:37,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1646 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-23 01:05:37,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34192 backedges. 1 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 276 states and 285 transitions. [2021-11-23 01:05:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 285 transitions. [2021-11-23 01:05:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-23 01:05:40,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:40,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:40,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-23 01:05:40,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34454 backedges. 1 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 277 states and 286 transitions. [2021-11-23 01:05:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 286 transitions. [2021-11-23 01:05:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 01:05:43,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:43,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:43,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-23 01:05:43,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 34717 backedges. 1 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 278 states and 287 transitions. [2021-11-23 01:05:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 287 transitions. [2021-11-23 01:05:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 01:05:46,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:46,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:46,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-23 01:05:46,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34981 backedges. 1 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 279 states and 288 transitions. [2021-11-23 01:05:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 288 transitions. [2021-11-23 01:05:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-23 01:05:49,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:49,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:49,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1670 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-23 01:05:49,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:51,498 INFO L134 CoverageAnalysis]: Checked inductivity of 35246 backedges. 1 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 280 states and 289 transitions. [2021-11-23 01:05:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 289 transitions. [2021-11-23 01:05:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:05:52,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:52,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:52,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-23 01:05:52,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 35512 backedges. 1 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:55,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 281 states and 290 transitions. [2021-11-23 01:05:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 290 transitions. [2021-11-23 01:05:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-23 01:05:55,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:55,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:55,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-23 01:05:55,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 35779 backedges. 1 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 282 states and 291 transitions. [2021-11-23 01:05:58,210 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 291 transitions. [2021-11-23 01:05:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:05:58,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:58,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:58,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-23 01:05:58,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 36047 backedges. 1 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 283 states and 292 transitions. [2021-11-23 01:06:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 292 transitions. [2021-11-23 01:06:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 01:06:01,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:01,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:01,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 1694 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-23 01:06:01,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 36316 backedges. 1 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 284 states and 293 transitions. [2021-11-23 01:06:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 293 transitions. [2021-11-23 01:06:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-23 01:06:04,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:04,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:04,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-23 01:06:04,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 36586 backedges. 1 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 285 states and 294 transitions. [2021-11-23 01:06:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 294 transitions. [2021-11-23 01:06:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 01:06:07,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:07,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-23 01:06:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:09,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36857 backedges. 1 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 286 states and 295 transitions. [2021-11-23 01:06:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 295 transitions. [2021-11-23 01:06:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 01:06:10,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:10,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-23 01:06:10,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 37129 backedges. 1 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 287 states and 296 transitions. [2021-11-23 01:06:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 296 transitions. [2021-11-23 01:06:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 01:06:13,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:13,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:13,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1718 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-23 01:06:13,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 37402 backedges. 1 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 288 states and 297 transitions. [2021-11-23 01:06:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2021-11-23 01:06:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 01:06:16,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:16,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:16,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-23 01:06:16,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 37676 backedges. 1 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 289 states and 298 transitions. [2021-11-23 01:06:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2021-11-23 01:06:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:06:19,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:19,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:19,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-23 01:06:19,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 37951 backedges. 1 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 290 states and 299 transitions. [2021-11-23 01:06:22,233 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 299 transitions. [2021-11-23 01:06:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 01:06:22,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1736 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-23 01:06:22,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 38227 backedges. 1 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 291 states and 300 transitions. [2021-11-23 01:06:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 300 transitions. [2021-11-23 01:06:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 01:06:25,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:25,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:25,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-23 01:06:25,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 38504 backedges. 1 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 292 states and 301 transitions. [2021-11-23 01:06:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 301 transitions. [2021-11-23 01:06:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 01:06:28,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:28,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:28,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-23 01:06:28,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 38782 backedges. 1 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 293 states and 302 transitions. [2021-11-23 01:06:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 302 transitions. [2021-11-23 01:06:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 01:06:31,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:31,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:31,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-23 01:06:31,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 39061 backedges. 1 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 294 states and 303 transitions. [2021-11-23 01:06:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 303 transitions. [2021-11-23 01:06:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 01:06:34,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:34,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-23 01:06:34,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 39341 backedges. 1 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 295 states and 304 transitions. [2021-11-23 01:06:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 304 transitions. [2021-11-23 01:06:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 01:06:37,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:37,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:38,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-23 01:06:38,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 39622 backedges. 1 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 296 states and 305 transitions. [2021-11-23 01:06:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 305 transitions. [2021-11-23 01:06:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 01:06:40,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:40,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:40,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-23 01:06:40,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 39904 backedges. 1 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 297 states and 306 transitions. [2021-11-23 01:06:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 306 transitions. [2021-11-23 01:06:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-23 01:06:43,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:43,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:44,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-23 01:06:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 40187 backedges. 1 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 298 states and 307 transitions. [2021-11-23 01:06:47,065 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 307 transitions. [2021-11-23 01:06:47,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 01:06:47,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-23 01:06:47,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 40471 backedges. 1 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 299 states and 308 transitions. [2021-11-23 01:06:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 308 transitions. [2021-11-23 01:06:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-23 01:06:50,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-23 01:06:50,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 40756 backedges. 1 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 300 states and 309 transitions. [2021-11-23 01:06:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 309 transitions. [2021-11-23 01:06:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-23 01:06:53,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:53,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1796 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-23 01:06:53,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 41042 backedges. 1 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 301 states and 310 transitions. [2021-11-23 01:06:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 310 transitions. [2021-11-23 01:06:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:06:56,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:56,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:56,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-23 01:06:56,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 41329 backedges. 1 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 302 states and 311 transitions. [2021-11-23 01:06:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 311 transitions. [2021-11-23 01:06:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-23 01:06:59,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:59,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:59,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-23 01:06:59,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 41617 backedges. 1 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:02,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 303 states and 312 transitions. [2021-11-23 01:07:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 312 transitions. [2021-11-23 01:07:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 01:07:02,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:02,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:02,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-23 01:07:02,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 41906 backedges. 1 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:05,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:05,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 304 states and 313 transitions. [2021-11-23 01:07:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 313 transitions. [2021-11-23 01:07:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 01:07:05,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:05,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:06,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-23 01:07:06,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42196 backedges. 1 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 305 states and 314 transitions. [2021-11-23 01:07:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 314 transitions. [2021-11-23 01:07:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-23 01:07:08,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:08,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:09,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1826 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-23 01:07:09,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 42487 backedges. 1 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 306 states and 315 transitions. [2021-11-23 01:07:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 315 transitions. [2021-11-23 01:07:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:07:12,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:12,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:12,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-23 01:07:12,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:14,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42779 backedges. 1 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 307 states and 316 transitions. [2021-11-23 01:07:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 316 transitions. [2021-11-23 01:07:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 01:07:15,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:15,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-23 01:07:15,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 43072 backedges. 1 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 308 states and 317 transitions. [2021-11-23 01:07:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 317 transitions. [2021-11-23 01:07:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 01:07:18,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 1844 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-23 01:07:18,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 43366 backedges. 1 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 309 states and 318 transitions. [2021-11-23 01:07:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 318 transitions. [2021-11-23 01:07:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 01:07:21,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:21,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:22,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 1850 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-23 01:07:22,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 43661 backedges. 1 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:24,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:24,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 310 states and 319 transitions. [2021-11-23 01:07:24,772 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 319 transitions. [2021-11-23 01:07:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 01:07:24,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:24,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:25,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1856 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-23 01:07:25,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 43957 backedges. 1 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 311 states and 320 transitions. [2021-11-23 01:07:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 320 transitions. [2021-11-23 01:07:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 01:07:27,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:27,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:28,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-23 01:07:28,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 44254 backedges. 1 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:31,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 312 states and 321 transitions. [2021-11-23 01:07:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 321 transitions. [2021-11-23 01:07:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 01:07:31,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:31,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-23 01:07:31,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 44552 backedges. 1 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 313 states and 322 transitions. [2021-11-23 01:07:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 322 transitions. [2021-11-23 01:07:34,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:07:34,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:34,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:35,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1874 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-23 01:07:35,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 44851 backedges. 1 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 314 states and 323 transitions. [2021-11-23 01:07:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 323 transitions. [2021-11-23 01:07:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 01:07:38,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:38,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:38,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-23 01:07:38,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 45151 backedges. 1 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 315 states and 324 transitions. [2021-11-23 01:07:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 324 transitions. [2021-11-23 01:07:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-23 01:07:42,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:42,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:42,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-23 01:07:42,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45452 backedges. 1 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 316 states and 325 transitions. [2021-11-23 01:07:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 325 transitions. [2021-11-23 01:07:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-23 01:07:45,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:45,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:45,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-23 01:07:45,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 45754 backedges. 1 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 317 states and 326 transitions. [2021-11-23 01:07:49,175 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 326 transitions. [2021-11-23 01:07:49,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 01:07:49,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:49,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1898 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-23 01:07:49,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 46057 backedges. 1 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 318 states and 327 transitions. [2021-11-23 01:07:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 327 transitions. [2021-11-23 01:07:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 01:07:52,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:52,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:52,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1904 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-23 01:07:52,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 46361 backedges. 1 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 319 states and 328 transitions. [2021-11-23 01:07:56,115 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 328 transitions. [2021-11-23 01:07:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 01:07:56,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:56,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:56,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-23 01:07:56,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 46666 backedges. 1 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 320 states and 329 transitions. [2021-11-23 01:07:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 329 transitions. [2021-11-23 01:07:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-23 01:07:59,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:59,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:59,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-23 01:07:59,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 46972 backedges. 1 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 321 states and 330 transitions. [2021-11-23 01:08:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 330 transitions. [2021-11-23 01:08:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 01:08:03,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:03,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:03,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-23 01:08:03,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 47279 backedges. 1 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 322 states and 331 transitions. [2021-11-23 01:08:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 331 transitions. [2021-11-23 01:08:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:08:06,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:06,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:07,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1928 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-23 01:08:07,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 47587 backedges. 1 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 323 states and 332 transitions. [2021-11-23 01:08:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 332 transitions. [2021-11-23 01:08:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 01:08:10,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:10,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:11,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1934 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-23 01:08:11,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 47896 backedges. 1 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 324 states and 333 transitions. [2021-11-23 01:08:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 333 transitions. [2021-11-23 01:08:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-23 01:08:14,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:14,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:14,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1940 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-23 01:08:14,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 48206 backedges. 1 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 325 states and 334 transitions. [2021-11-23 01:08:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 334 transitions. [2021-11-23 01:08:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-23 01:08:18,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:18,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-23 01:08:18,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 48517 backedges. 1 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 326 states and 335 transitions. [2021-11-23 01:08:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 335 transitions. [2021-11-23 01:08:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-23 01:08:21,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:21,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-23 01:08:22,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 48829 backedges. 1 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 327 states and 336 transitions. [2021-11-23 01:08:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 336 transitions. [2021-11-23 01:08:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-23 01:08:25,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:25,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:26,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-23 01:08:26,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:28,055 INFO L134 CoverageAnalysis]: Checked inductivity of 49142 backedges. 1 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 328 states and 337 transitions. [2021-11-23 01:08:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 337 transitions. [2021-11-23 01:08:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-23 01:08:29,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:29,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-23 01:08:29,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 49456 backedges. 1 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 329 states and 338 transitions. [2021-11-23 01:08:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 338 transitions. [2021-11-23 01:08:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-23 01:08:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:33,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-23 01:08:33,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 49771 backedges. 1 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 330 states and 339 transitions. [2021-11-23 01:08:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 339 transitions. [2021-11-23 01:08:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-23 01:08:37,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:37,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-23 01:08:37,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 50087 backedges. 1 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 331 states and 340 transitions. [2021-11-23 01:08:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 340 transitions. [2021-11-23 01:08:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-23 01:08:41,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:41,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-23 01:08:42,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50404 backedges. 1 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 332 states and 341 transitions. [2021-11-23 01:08:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 341 transitions. [2021-11-23 01:08:46,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-23 01:08:46,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:46,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:46,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-23 01:08:46,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:48,575 INFO L134 CoverageAnalysis]: Checked inductivity of 50722 backedges. 1 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 333 states and 342 transitions. [2021-11-23 01:08:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 342 transitions. [2021-11-23 01:08:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-23 01:08:50,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:50,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:50,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-23 01:08:50,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 51041 backedges. 1 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 334 states and 343 transitions. [2021-11-23 01:08:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 343 transitions. [2021-11-23 01:08:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-23 01:08:55,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:55,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:55,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2000 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-23 01:08:55,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 51361 backedges. 1 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 335 states and 344 transitions. [2021-11-23 01:08:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 344 transitions. [2021-11-23 01:08:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-23 01:08:59,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:59,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:00,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-23 01:09:00,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 51682 backedges. 1 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 336 states and 345 transitions. [2021-11-23 01:09:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 345 transitions. [2021-11-23 01:09:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-23 01:09:04,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:04,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:04,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2012 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-23 01:09:04,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 52004 backedges. 1 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 337 states and 346 transitions. [2021-11-23 01:09:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 346 transitions. [2021-11-23 01:09:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-23 01:09:09,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:09,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:09,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 2018 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-23 01:09:09,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 52327 backedges. 1 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 338 states and 347 transitions. [2021-11-23 01:09:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 347 transitions. [2021-11-23 01:09:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-23 01:09:13,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:13,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:13,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2024 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-23 01:09:13,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 52651 backedges. 1 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:18,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 339 states and 348 transitions. [2021-11-23 01:09:18,222 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 348 transitions. [2021-11-23 01:09:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-23 01:09:18,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:18,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:18,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-23 01:09:18,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 52976 backedges. 1 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 340 states and 349 transitions. [2021-11-23 01:09:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 349 transitions. [2021-11-23 01:09:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-23 01:09:22,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:22,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:23,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-23 01:09:23,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 53302 backedges. 1 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 341 states and 350 transitions. [2021-11-23 01:09:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 350 transitions. [2021-11-23 01:09:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-23 01:09:27,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:27,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:27,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 2042 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-23 01:09:27,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 53629 backedges. 1 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 342 states and 351 transitions. [2021-11-23 01:09:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 351 transitions. [2021-11-23 01:09:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-23 01:09:32,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:32,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-23 01:09:32,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 53957 backedges. 1 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 343 states and 352 transitions. [2021-11-23 01:09:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 352 transitions. [2021-11-23 01:09:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-23 01:09:36,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:36,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-23 01:09:36,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 54286 backedges. 1 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 344 states and 353 transitions. [2021-11-23 01:09:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 353 transitions. [2021-11-23 01:09:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-23 01:09:40,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:40,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:41,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-23 01:09:41,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 54616 backedges. 1 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 345 states and 354 transitions. [2021-11-23 01:09:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 354 transitions. [2021-11-23 01:09:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-23 01:09:45,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:45,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:45,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-23 01:09:45,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 54947 backedges. 1 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 346 states and 355 transitions. [2021-11-23 01:09:50,183 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 355 transitions. [2021-11-23 01:09:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-23 01:09:50,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:50,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:50,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-23 01:09:50,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 55279 backedges. 1 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 347 states and 356 transitions. [2021-11-23 01:09:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 356 transitions. [2021-11-23 01:09:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-23 01:09:54,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:54,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:54,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-23 01:09:54,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 55612 backedges. 1 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 348 states and 357 transitions. [2021-11-23 01:09:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 357 transitions. [2021-11-23 01:09:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 01:09:59,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:59,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:59,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 2084 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-23 01:09:59,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 55946 backedges. 1 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 349 states and 358 transitions. [2021-11-23 01:10:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 358 transitions. [2021-11-23 01:10:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-23 01:10:03,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:03,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:04,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 2090 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-23 01:10:04,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 56281 backedges. 1 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 350 states and 359 transitions. [2021-11-23 01:10:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 359 transitions. [2021-11-23 01:10:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-23 01:10:08,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:08,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:08,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-23 01:10:08,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 56617 backedges. 1 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 351 states and 360 transitions. [2021-11-23 01:10:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 360 transitions. [2021-11-23 01:10:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-23 01:10:12,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:12,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:13,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 2102 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-23 01:10:13,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 56954 backedges. 1 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:17,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 352 states and 361 transitions. [2021-11-23 01:10:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 361 transitions. [2021-11-23 01:10:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-23 01:10:17,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:17,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:18,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-23 01:10:18,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 57292 backedges. 1 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 353 states and 362 transitions. [2021-11-23 01:10:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 362 transitions. [2021-11-23 01:10:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-23 01:10:22,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:22,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-23 01:10:22,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 57631 backedges. 1 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 354 states and 363 transitions. [2021-11-23 01:10:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 363 transitions. [2021-11-23 01:10:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-23 01:10:26,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:26,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:27,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-23 01:10:27,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 57971 backedges. 1 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 355 states and 364 transitions. [2021-11-23 01:10:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 364 transitions. [2021-11-23 01:10:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-23 01:10:31,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:31,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:31,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-23 01:10:31,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 58312 backedges. 1 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 356 states and 365 transitions. [2021-11-23 01:10:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 365 transitions. [2021-11-23 01:10:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-23 01:10:36,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:36,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:36,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-23 01:10:36,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 58654 backedges. 1 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:40,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 357 states and 366 transitions. [2021-11-23 01:10:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 366 transitions. [2021-11-23 01:10:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-23 01:10:40,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:40,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:41,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-23 01:10:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:43,850 INFO L134 CoverageAnalysis]: Checked inductivity of 58997 backedges. 1 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 358 states and 367 transitions. [2021-11-23 01:10:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 367 transitions. [2021-11-23 01:10:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-23 01:10:45,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:45,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:45,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 2144 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-23 01:10:46,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 59341 backedges. 1 proven. 59340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.