./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/add-3-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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/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 efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:23:48,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:23:48,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:23:48,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:23:48,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:23:48,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:23:48,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:23:48,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:23:48,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:23:48,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:23:48,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:23:48,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:23:48,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:23:48,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:23:48,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:23:48,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:23:48,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:23:48,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:23:48,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:23:48,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:23:48,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:23:48,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:23:48,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:23:48,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:23:48,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:23:48,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:23:48,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:23:48,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:23:48,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:23:48,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:23:48,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:23:48,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:23:48,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:23:48,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:23:48,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:23:48,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:23:48,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:23:48,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:23:48,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:23:48,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:23:48,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:23:48,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:23:48,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:23:48,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:23:48,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:23:48,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:23:48,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:23:48,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:23:48,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:23:48,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:23:48,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:23:48,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:23:48,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:23:48,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:23:48,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:23:48,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:23:48,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:23:48,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:23:48,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:23:48,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:23:48,225 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:23:48,225 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:23:48,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:23:48,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:48,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:23:48,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:23:48,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:23:48,227 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:23:48,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:23:48,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:23:48,228 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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 [2021-11-22 23:23:48,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:23:48,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:23:48,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:23:48,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:23:48,520 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:23:48,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2021-11-22 23:23:48,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/data/f0f16d618/066bce100bcc4d5f85bf477c88e90e73/FLAGeb21585f5 [2021-11-22 23:23:49,115 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:23:49,116 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2021-11-22 23:23:49,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/data/f0f16d618/066bce100bcc4d5f85bf477c88e90e73/FLAGeb21585f5 [2021-11-22 23:23:49,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/data/f0f16d618/066bce100bcc4d5f85bf477c88e90e73 [2021-11-22 23:23:49,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:23:49,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:23:49,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:49,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:23:49,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:23:49,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f062be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49, skipping insertion in model container [2021-11-22 23:23:49,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:23:49,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:23:49,659 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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/sv-benchmarks/c/array-multidimensional/add-3-n-u.c[321,334] [2021-11-22 23:23:49,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:49,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:23:49,699 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_9ac8758b-b484-4ef4-986c-a2a6a1711da9/sv-benchmarks/c/array-multidimensional/add-3-n-u.c[321,334] [2021-11-22 23:23:49,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:49,726 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:23:49,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49 WrapperNode [2021-11-22 23:23:49,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:49,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:49,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:23:49,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:23:49,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,767 INFO L137 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2021-11-22 23:23:49,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:49,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:23:49,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:23:49,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:23:49,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:23:49,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:23:49,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:23:49,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:23:49,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:49" (1/1) ... [2021-11-22 23:23:49,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:23:49,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:23:49,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac8758b-b484-4ef4-986c-a2a6a1711da9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:23:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:23:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:23:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:23:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:23:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:23:49,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:23:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:23:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:23:49,937 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:23:49,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:23:50,110 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:23:50,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:23:50,183 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-22 23:23:50,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:50 BoogieIcfgContainer [2021-11-22 23:23:50,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:23:50,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:23:50,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:23:50,206 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:23:50,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:50" (1/1) ... [2021-11-22 23:23:50,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:23:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-22 23:23:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-22 23:23:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:23:50,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:23:50,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2021-11-22 23:23:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2021-11-22 23:23:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:23:50,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:23:50,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2021-11-22 23:23:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2021-11-22 23:23:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:23:50,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:50,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:50,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:23:50,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2021-11-22 23:23:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2021-11-22 23:23:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:23:51,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 23:23:51,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-22 23:23:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-22 23:23:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:23:51,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:23:51,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2021-11-22 23:23:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2021-11-22 23:23:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:23:51,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:23:51,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-22 23:23:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-22 23:23:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:23:51,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:23:51,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2021-11-22 23:23:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2021-11-22 23:23:52,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:23:52,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:23:52,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-22 23:23:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-22 23:23:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:23:52,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:23:52,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-11-22 23:23:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-11-22 23:23:52,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:23:52,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:23:52,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2021-11-22 23:23:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2021-11-22 23:23:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:23:52,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:23:52,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2021-11-22 23:23:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-11-22 23:23:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:23:52,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:52,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:23:53,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2021-11-22 23:23:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2021-11-22 23:23:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:23:53,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:23:53,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2021-11-22 23:23:53,522 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-11-22 23:23:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:53,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:23:53,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2021-11-22 23:23:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2021-11-22 23:23:53,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:23:53,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:53,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:23:53,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-22 23:23:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-22 23:23:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:23:54,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:54,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:54,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 23:23:54,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2021-11-22 23:23:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2021-11-22 23:23:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:54,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:54,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:54,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:23:54,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2021-11-22 23:23:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-22 23:23:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:54,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:54,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:54,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:23:54,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-22 23:23:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-22 23:23:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:55,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:55,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:55,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:23:55,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2021-11-22 23:23:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2021-11-22 23:23:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:55,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:55,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:55,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:23:55,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2021-11-22 23:23:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2021-11-22 23:23:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:23:55,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:55,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:55,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-22 23:23:55,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2021-11-22 23:23:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-22 23:23:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:23:56,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:56,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-22 23:23:56,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2021-11-22 23:23:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2021-11-22 23:23:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:23:56,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:56,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-22 23:23:56,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:56,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2021-11-22 23:23:56,772 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2021-11-22 23:23:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:56,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:56,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-22 23:23:56,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2021-11-22 23:23:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2021-11-22 23:23:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:57,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:57,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:57,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-22 23:23:57,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2021-11-22 23:23:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-11-22 23:23:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:23:57,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:57,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:57,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:23:57,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2021-11-22 23:23:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-11-22 23:23:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:23:57,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:57,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:23:58,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2021-11-22 23:23:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2021-11-22 23:23:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:58,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:23:58,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2021-11-22 23:23:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2021-11-22 23:23:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:23:58,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:58,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:58,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:23:58,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-22 23:23:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-22 23:23:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:59,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:59,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:59,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:23:59,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-22 23:23:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-22 23:23:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:59,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:59,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:59,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:23:59,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:23:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2021-11-22 23:24:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-11-22 23:24:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:24:00,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:24:00,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2021-11-22 23:24:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2021-11-22 23:24:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:24:00,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:24:00,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2021-11-22 23:24:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2021-11-22 23:24:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:24:01,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:24:01,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2021-11-22 23:24:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2021-11-22 23:24:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:24:01,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:24:01,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2021-11-22 23:24:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2021-11-22 23:24:01,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:24:01,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:01,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:02,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:24:02,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2021-11-22 23:24:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2021-11-22 23:24:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:24:02,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:02,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:02,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-22 23:24:02,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2021-11-22 23:24:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-22 23:24:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:24:02,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:02,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:02,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 23:24:02,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2021-11-22 23:24:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2021-11-22 23:24:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:24:03,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:03,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:03,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:24:03,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-22 23:24:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-22 23:24:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:24:03,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:03,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:03,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:24:03,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2021-11-22 23:24:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2021-11-22 23:24:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:24:04,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:04,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:04,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:24:04,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-22 23:24:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-22 23:24:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:24:04,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:04,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:04,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:24:04,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:05,120 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2021-11-22 23:24:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-22 23:24:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:24:05,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:05,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:05,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:24:05,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-11-22 23:24:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-22 23:24:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:24:05,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:05,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:05,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:24:05,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2021-11-22 23:24:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-11-22 23:24:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:24:06,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:06,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:24:06,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2021-11-22 23:24:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-11-22 23:24:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:24:06,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:06,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:24:07,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:07,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-22 23:24:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-22 23:24:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:24:07,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:07,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:07,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-22 23:24:07,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-11-22 23:24:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-22 23:24:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:24:08,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:08,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:24:08,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-22 23:24:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-22 23:24:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:24:08,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:08,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:08,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-22 23:24:08,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2021-11-22 23:24:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-22 23:24:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:24:09,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-22 23:24:09,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2021-11-22 23:24:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-11-22 23:24:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:24:09,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:09,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:09,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 23:24:09,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2021-11-22 23:24:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-22 23:24:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:24:10,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:10,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:24:10,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2021-11-22 23:24:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2021-11-22 23:24:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:24:10,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-22 23:24:11,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-22 23:24:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-22 23:24:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:24:11,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:11,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-22 23:24:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-22 23:24:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-22 23:24:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:24:12,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:12,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:24:12,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-22 23:24:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-22 23:24:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:24:12,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:12,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:12,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-22 23:24:12,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-22 23:24:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-22 23:24:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:24:13,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:13,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:13,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-22 23:24:13,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-22 23:24:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-22 23:24:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:24:14,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:14,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:14,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-22 23:24:14,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-22 23:24:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-22 23:24:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:24:14,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:14,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:14,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-22 23:24:14,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-22 23:24:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-22 23:24:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:24:15,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:15,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:15,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-22 23:24:15,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-22 23:24:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-22 23:24:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:24:15,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:15,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:15,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-22 23:24:15,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-22 23:24:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-22 23:24:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:24:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:16,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:16,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-22 23:24:16,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-22 23:24:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-22 23:24:17,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:24:17,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:17,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:17,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-22 23:24:17,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-22 23:24:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-22 23:24:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:24:18,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 64 conjunts are in the unsatisfiable core [2021-11-22 23:24:18,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-22 23:24:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-22 23:24:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:24:18,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:18,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-22 23:24:18,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-22 23:24:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-22 23:24:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:24:19,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:19,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-22 23:24:19,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-22 23:24:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-22 23:24:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:24:20,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:20,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:20,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-22 23:24:20,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-22 23:24:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-22 23:24:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-22 23:24:21,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-22 23:24:21,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:21,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-22 23:24:21,797 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-22 23:24:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:24:21,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:21,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:21,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-22 23:24:21,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:22,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-22 23:24:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-22 23:24:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:24:22,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:22,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:22,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 23:24:22,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-22 23:24:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-22 23:24:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:24:23,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:23,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:23,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 71 conjunts are in the unsatisfiable core [2021-11-22 23:24:23,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-22 23:24:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-22 23:24:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:24:23,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:24,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 72 conjunts are in the unsatisfiable core [2021-11-22 23:24:24,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-22 23:24:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-22 23:24:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:24:24,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:24,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:24,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-22 23:24:24,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-22 23:24:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-22 23:24:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:24:25,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-22 23:24:25,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:26,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-22 23:24:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-22 23:24:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:24:26,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:26,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-22 23:24:26,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-22 23:24:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-22 23:24:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:24:27,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:27,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:27,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-22 23:24:27,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:28,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-22 23:24:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-22 23:24:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:24:28,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:28,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 77 conjunts are in the unsatisfiable core [2021-11-22 23:24:28,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:28,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-22 23:24:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-22 23:24:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:24:28,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:28,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:28,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-22 23:24:28,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2021-11-22 23:24:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2021-11-22 23:24:29,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:24:29,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-22 23:24:29,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2021-11-22 23:24:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2021-11-22 23:24:30,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 23:24:30,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:30,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:30,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 80 conjunts are in the unsatisfiable core [2021-11-22 23:24:30,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2021-11-22 23:24:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-22 23:24:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:24:31,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:31,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:31,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 81 conjunts are in the unsatisfiable core [2021-11-22 23:24:31,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 99 states and 116 transitions. [2021-11-22 23:24:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-11-22 23:24:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:24:32,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 82 conjunts are in the unsatisfiable core [2021-11-22 23:24:32,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 100 states and 117 transitions. [2021-11-22 23:24:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2021-11-22 23:24:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:24:32,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:32,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:32,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-22 23:24:32,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:33,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 101 states and 118 transitions. [2021-11-22 23:24:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2021-11-22 23:24:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:24:33,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:33,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:33,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 84 conjunts are in the unsatisfiable core [2021-11-22 23:24:33,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2021-11-22 23:24:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2021-11-22 23:24:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:24:34,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:34,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:34,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 85 conjunts are in the unsatisfiable core [2021-11-22 23:24:34,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 103 states and 120 transitions. [2021-11-22 23:24:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2021-11-22 23:24:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-22 23:24:35,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:35,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:35,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-22 23:24:35,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 104 states and 121 transitions. [2021-11-22 23:24:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2021-11-22 23:24:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:24:36,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:36,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-22 23:24:36,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:37,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 105 states and 122 transitions. [2021-11-22 23:24:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2021-11-22 23:24:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:24:37,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:37,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:37,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-22 23:24:37,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2021-11-22 23:24:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2021-11-22 23:24:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 23:24:38,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:38,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-22 23:24:38,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 107 states and 124 transitions. [2021-11-22 23:24:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2021-11-22 23:24:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:24:38,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:38,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:39,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 90 conjunts are in the unsatisfiable core [2021-11-22 23:24:39,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2021-11-22 23:24:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2021-11-22 23:24:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:24:39,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:39,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:39,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-22 23:24:39,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-22 23:24:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-22 23:24:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:24:40,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:40,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:40,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-22 23:24:40,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 110 states and 127 transitions. [2021-11-22 23:24:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2021-11-22 23:24:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:24:41,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:41,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:41,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 93 conjunts are in the unsatisfiable core [2021-11-22 23:24:41,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 111 states and 128 transitions. [2021-11-22 23:24:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2021-11-22 23:24:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:24:42,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:42,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:42,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-22 23:24:42,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2021-11-22 23:24:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2021-11-22 23:24:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:24:43,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:43,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:43,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 95 conjunts are in the unsatisfiable core [2021-11-22 23:24:43,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 113 states and 130 transitions. [2021-11-22 23:24:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2021-11-22 23:24:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:24:44,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-22 23:24:44,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 114 states and 131 transitions. [2021-11-22 23:24:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2021-11-22 23:24:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:24:45,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-22 23:24:45,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2021-11-22 23:24:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2021-11-22 23:24:46,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 23:24:46,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:46,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-22 23:24:46,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:47,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2021-11-22 23:24:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2021-11-22 23:24:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:24:47,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:47,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:47,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-22 23:24:47,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 117 states and 134 transitions. [2021-11-22 23:24:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2021-11-22 23:24:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:24:48,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:48,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:48,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 100 conjunts are in the unsatisfiable core [2021-11-22 23:24:48,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 118 states and 135 transitions. [2021-11-22 23:24:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2021-11-22 23:24:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-22 23:24:49,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:49,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:49,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 101 conjunts are in the unsatisfiable core [2021-11-22 23:24:49,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2021-11-22 23:24:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-11-22 23:24:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-22 23:24:50,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:50,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-22 23:24:50,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2021-11-22 23:24:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2021-11-22 23:24:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 23:24:51,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:51,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:51,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-22 23:24:51,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2021-11-22 23:24:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2021-11-22 23:24:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-22 23:24:52,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 104 conjunts are in the unsatisfiable core [2021-11-22 23:24:52,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 122 states and 139 transitions. [2021-11-22 23:24:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 139 transitions. [2021-11-22 23:24:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:24:53,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:53,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:53,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-22 23:24:53,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 123 states and 140 transitions. [2021-11-22 23:24:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 140 transitions. [2021-11-22 23:24:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:24:54,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:54,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 106 conjunts are in the unsatisfiable core [2021-11-22 23:24:54,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2021-11-22 23:24:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-11-22 23:24:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 23:24:55,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:55,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:55,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 107 conjunts are in the unsatisfiable core [2021-11-22 23:24:55,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 125 states and 142 transitions. [2021-11-22 23:24:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2021-11-22 23:24:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-22 23:24:56,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:56,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:56,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-22 23:24:56,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:57,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 126 states and 143 transitions. [2021-11-22 23:24:57,280 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2021-11-22 23:24:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 23:24:57,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:57,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:57,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-22 23:24:57,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 127 states and 144 transitions. [2021-11-22 23:24:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2021-11-22 23:24:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:24:58,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:58,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:58,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-22 23:24:58,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:24:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 128 states and 145 transitions. [2021-11-22 23:24:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2021-11-22 23:24:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-22 23:24:59,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:59,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 23:24:59,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 129 states and 146 transitions. [2021-11-22 23:25:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2021-11-22 23:25:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-22 23:25:00,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:00,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:00,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 112 conjunts are in the unsatisfiable core [2021-11-22 23:25:00,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:01,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 130 states and 147 transitions. [2021-11-22 23:25:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 147 transitions. [2021-11-22 23:25:01,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:25:01,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:01,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:01,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 113 conjunts are in the unsatisfiable core [2021-11-22 23:25:01,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 131 states and 148 transitions. [2021-11-22 23:25:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 148 transitions. [2021-11-22 23:25:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-22 23:25:02,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:02,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:02,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 114 conjunts are in the unsatisfiable core [2021-11-22 23:25:02,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:03,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 132 states and 149 transitions. [2021-11-22 23:25:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2021-11-22 23:25:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-22 23:25:03,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:03,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:03,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 115 conjunts are in the unsatisfiable core [2021-11-22 23:25:03,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 133 states and 150 transitions. [2021-11-22 23:25:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 150 transitions. [2021-11-22 23:25:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-22 23:25:04,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:04,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:04,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-22 23:25:04,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:05,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 134 states and 151 transitions. [2021-11-22 23:25:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2021-11-22 23:25:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-22 23:25:05,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:05,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-22 23:25:05,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 135 states and 152 transitions. [2021-11-22 23:25:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 152 transitions. [2021-11-22 23:25:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 23:25:06,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:06,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:07,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 118 conjunts are in the unsatisfiable core [2021-11-22 23:25:07,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 136 states and 153 transitions. [2021-11-22 23:25:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2021-11-22 23:25:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-22 23:25:08,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:08,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 119 conjunts are in the unsatisfiable core [2021-11-22 23:25:08,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 137 states and 154 transitions. [2021-11-22 23:25:09,206 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2021-11-22 23:25:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-22 23:25:09,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:09,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:09,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 120 conjunts are in the unsatisfiable core [2021-11-22 23:25:09,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 138 states and 155 transitions. [2021-11-22 23:25:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 155 transitions. [2021-11-22 23:25:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:25:10,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:10,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:10,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-22 23:25:10,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 156 transitions. [2021-11-22 23:25:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 156 transitions. [2021-11-22 23:25:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:25:11,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:11,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:11,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 122 conjunts are in the unsatisfiable core [2021-11-22 23:25:11,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 157 transitions. [2021-11-22 23:25:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 157 transitions. [2021-11-22 23:25:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:25:12,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:12,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 123 conjunts are in the unsatisfiable core [2021-11-22 23:25:12,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 141 states and 158 transitions. [2021-11-22 23:25:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 158 transitions. [2021-11-22 23:25:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-22 23:25:13,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:13,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:13,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 124 conjunts are in the unsatisfiable core [2021-11-22 23:25:13,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:15,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:15,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 142 states and 159 transitions. [2021-11-22 23:25:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2021-11-22 23:25:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-22 23:25:15,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:15,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:15,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 125 conjunts are in the unsatisfiable core [2021-11-22 23:25:15,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 7505 backedges. 2 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 143 states and 160 transitions. [2021-11-22 23:25:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 160 transitions. [2021-11-22 23:25:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:25:16,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:16,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:16,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-22 23:25:16,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7628 backedges. 2 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 144 states and 161 transitions. [2021-11-22 23:25:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2021-11-22 23:25:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:25:17,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:17,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:17,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-22 23:25:17,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7752 backedges. 2 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 145 states and 162 transitions. [2021-11-22 23:25:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2021-11-22 23:25:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-22 23:25:18,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:18,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 128 conjunts are in the unsatisfiable core [2021-11-22 23:25:18,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7877 backedges. 2 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 146 states and 163 transitions. [2021-11-22 23:25:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2021-11-22 23:25:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-22 23:25:19,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:19,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:19,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 129 conjunts are in the unsatisfiable core [2021-11-22 23:25:19,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8003 backedges. 2 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 147 states and 164 transitions. [2021-11-22 23:25:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2021-11-22 23:25:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-22 23:25:21,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:21,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:21,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 130 conjunts are in the unsatisfiable core [2021-11-22 23:25:21,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8130 backedges. 2 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:22,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 148 states and 165 transitions. [2021-11-22 23:25:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2021-11-22 23:25:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-22 23:25:22,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:22,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 131 conjunts are in the unsatisfiable core [2021-11-22 23:25:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8258 backedges. 2 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 149 states and 166 transitions. [2021-11-22 23:25:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2021-11-22 23:25:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-22 23:25:23,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:23,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 132 conjunts are in the unsatisfiable core [2021-11-22 23:25:23,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 8387 backedges. 2 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 150 states and 167 transitions. [2021-11-22 23:25:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 167 transitions. [2021-11-22 23:25:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-22 23:25:24,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:24,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:24,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 133 conjunts are in the unsatisfiable core [2021-11-22 23:25:24,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8517 backedges. 2 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:26,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 151 states and 168 transitions. [2021-11-22 23:25:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2021-11-22 23:25:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-22 23:25:26,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:26,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:26,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 134 conjunts are in the unsatisfiable core [2021-11-22 23:25:26,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8648 backedges. 2 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 152 states and 169 transitions. [2021-11-22 23:25:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 169 transitions. [2021-11-22 23:25:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-22 23:25:27,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:27,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:27,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 135 conjunts are in the unsatisfiable core [2021-11-22 23:25:27,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 8780 backedges. 2 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2021-11-22 23:25:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2021-11-22 23:25:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-22 23:25:28,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:28,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:28,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-22 23:25:28,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 8913 backedges. 2 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2021-11-22 23:25:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2021-11-22 23:25:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-22 23:25:29,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:29,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 137 conjunts are in the unsatisfiable core [2021-11-22 23:25:30,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 9047 backedges. 2 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 155 states and 172 transitions. [2021-11-22 23:25:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 172 transitions. [2021-11-22 23:25:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-22 23:25:31,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:31,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 138 conjunts are in the unsatisfiable core [2021-11-22 23:25:31,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9182 backedges. 2 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:32,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:32,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 156 states and 173 transitions. [2021-11-22 23:25:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions. [2021-11-22 23:25:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-22 23:25:32,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:32,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:32,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 139 conjunts are in the unsatisfiable core [2021-11-22 23:25:32,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9318 backedges. 2 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 157 states and 174 transitions. [2021-11-22 23:25:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2021-11-22 23:25:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-22 23:25:33,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:33,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:33,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 140 conjunts are in the unsatisfiable core [2021-11-22 23:25:33,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9455 backedges. 2 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 158 states and 175 transitions. [2021-11-22 23:25:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2021-11-22 23:25:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-22 23:25:35,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:35,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:35,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 141 conjunts are in the unsatisfiable core [2021-11-22 23:25:35,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9593 backedges. 2 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 159 states and 176 transitions. [2021-11-22 23:25:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 176 transitions. [2021-11-22 23:25:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-22 23:25:36,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:36,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:36,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 142 conjunts are in the unsatisfiable core [2021-11-22 23:25:36,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 160 states and 177 transitions. [2021-11-22 23:25:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 177 transitions. [2021-11-22 23:25:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-22 23:25:37,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 143 conjunts are in the unsatisfiable core [2021-11-22 23:25:37,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9872 backedges. 2 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 161 states and 178 transitions. [2021-11-22 23:25:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 178 transitions. [2021-11-22 23:25:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-22 23:25:39,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:39,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:39,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 144 conjunts are in the unsatisfiable core [2021-11-22 23:25:39,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10013 backedges. 2 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 162 states and 179 transitions. [2021-11-22 23:25:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2021-11-22 23:25:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-22 23:25:40,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:40,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 145 conjunts are in the unsatisfiable core [2021-11-22 23:25:40,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10155 backedges. 2 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 163 states and 180 transitions. [2021-11-22 23:25:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2021-11-22 23:25:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-22 23:25:41,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:42,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 146 conjunts are in the unsatisfiable core [2021-11-22 23:25:42,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 10298 backedges. 2 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 164 states and 181 transitions. [2021-11-22 23:25:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2021-11-22 23:25:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-22 23:25:43,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 147 conjunts are in the unsatisfiable core [2021-11-22 23:25:43,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 2 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 165 states and 182 transitions. [2021-11-22 23:25:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 182 transitions. [2021-11-22 23:25:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-22 23:25:44,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:44,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:44,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-22 23:25:44,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10587 backedges. 2 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 166 states and 183 transitions. [2021-11-22 23:25:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2021-11-22 23:25:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-22 23:25:46,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:46,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-22 23:25:46,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10733 backedges. 2 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 167 states and 184 transitions. [2021-11-22 23:25:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 184 transitions. [2021-11-22 23:25:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-22 23:25:47,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:47,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:47,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 150 conjunts are in the unsatisfiable core [2021-11-22 23:25:47,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10880 backedges. 2 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 168 states and 185 transitions. [2021-11-22 23:25:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2021-11-22 23:25:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-22 23:25:49,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:49,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:49,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-22 23:25:49,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11028 backedges. 2 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 169 states and 186 transitions. [2021-11-22 23:25:50,447 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 186 transitions. [2021-11-22 23:25:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-22 23:25:50,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:50,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:50,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-22 23:25:50,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11177 backedges. 2 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 170 states and 187 transitions. [2021-11-22 23:25:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 187 transitions. [2021-11-22 23:25:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-22 23:25:51,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:51,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 153 conjunts are in the unsatisfiable core [2021-11-22 23:25:52,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11327 backedges. 2 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 171 states and 188 transitions. [2021-11-22 23:25:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2021-11-22 23:25:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-22 23:25:53,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:53,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:53,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 154 conjunts are in the unsatisfiable core [2021-11-22 23:25:53,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11478 backedges. 2 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 172 states and 189 transitions. [2021-11-22 23:25:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 189 transitions. [2021-11-22 23:25:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-22 23:25:54,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:54,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 155 conjunts are in the unsatisfiable core [2021-11-22 23:25:54,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 173 states and 190 transitions. [2021-11-22 23:25:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2021-11-22 23:25:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-22 23:25:56,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:56,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-22 23:25:56,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11783 backedges. 2 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 174 states and 191 transitions. [2021-11-22 23:25:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2021-11-22 23:25:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-22 23:25:57,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:57,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:57,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 157 conjunts are in the unsatisfiable core [2021-11-22 23:25:57,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11937 backedges. 2 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 175 states and 192 transitions. [2021-11-22 23:25:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2021-11-22 23:25:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-22 23:25:59,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:59,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:59,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 158 conjunts are in the unsatisfiable core [2021-11-22 23:25:59,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12092 backedges. 2 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:00,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 176 states and 193 transitions. [2021-11-22 23:26:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 193 transitions. [2021-11-22 23:26:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-22 23:26:00,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:00,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 159 conjunts are in the unsatisfiable core [2021-11-22 23:26:00,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12248 backedges. 2 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 177 states and 194 transitions. [2021-11-22 23:26:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2021-11-22 23:26:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-22 23:26:02,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:02,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:02,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 160 conjunts are in the unsatisfiable core [2021-11-22 23:26:02,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12405 backedges. 2 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 178 states and 195 transitions. [2021-11-22 23:26:03,729 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2021-11-22 23:26:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-22 23:26:03,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:03,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 161 conjunts are in the unsatisfiable core [2021-11-22 23:26:03,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12563 backedges. 2 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 179 states and 196 transitions. [2021-11-22 23:26:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2021-11-22 23:26:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-22 23:26:05,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:05,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 162 conjunts are in the unsatisfiable core [2021-11-22 23:26:05,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12722 backedges. 2 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 180 states and 197 transitions. [2021-11-22 23:26:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 197 transitions. [2021-11-22 23:26:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-22 23:26:06,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:06,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 163 conjunts are in the unsatisfiable core [2021-11-22 23:26:06,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 2 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 181 states and 198 transitions. [2021-11-22 23:26:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 198 transitions. [2021-11-22 23:26:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-22 23:26:08,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:08,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:08,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 164 conjunts are in the unsatisfiable core [2021-11-22 23:26:08,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13043 backedges. 2 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 182 states and 199 transitions. [2021-11-22 23:26:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 199 transitions. [2021-11-22 23:26:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-22 23:26:09,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:09,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:10,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 165 conjunts are in the unsatisfiable core [2021-11-22 23:26:10,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13205 backedges. 2 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 183 states and 200 transitions. [2021-11-22 23:26:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 200 transitions. [2021-11-22 23:26:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-22 23:26:11,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:11,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:11,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-22 23:26:11,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 13368 backedges. 2 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 184 states and 201 transitions. [2021-11-22 23:26:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 201 transitions. [2021-11-22 23:26:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-22 23:26:13,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:13,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:13,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 167 conjunts are in the unsatisfiable core [2021-11-22 23:26:13,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13532 backedges. 2 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 185 states and 202 transitions. [2021-11-22 23:26:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 202 transitions. [2021-11-22 23:26:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-22 23:26:14,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:14,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:14,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-22 23:26:14,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 13697 backedges. 2 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:16,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 186 states and 203 transitions. [2021-11-22 23:26:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 203 transitions. [2021-11-22 23:26:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-22 23:26:16,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:16,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 169 conjunts are in the unsatisfiable core [2021-11-22 23:26:16,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13863 backedges. 2 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 187 states and 204 transitions. [2021-11-22 23:26:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 204 transitions. [2021-11-22 23:26:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-22 23:26:17,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:17,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:18,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 170 conjunts are in the unsatisfiable core [2021-11-22 23:26:18,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14030 backedges. 2 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 188 states and 205 transitions. [2021-11-22 23:26:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 205 transitions. [2021-11-22 23:26:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-22 23:26:19,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:19,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 171 conjunts are in the unsatisfiable core [2021-11-22 23:26:19,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14198 backedges. 2 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 189 states and 206 transitions. [2021-11-22 23:26:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 206 transitions. [2021-11-22 23:26:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-22 23:26:21,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:21,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:21,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 172 conjunts are in the unsatisfiable core [2021-11-22 23:26:21,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14367 backedges. 2 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 190 states and 207 transitions. [2021-11-22 23:26:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 207 transitions. [2021-11-22 23:26:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-22 23:26:22,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:22,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:23,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 173 conjunts are in the unsatisfiable core [2021-11-22 23:26:23,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 14537 backedges. 2 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2021-11-22 23:26:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2021-11-22 23:26:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-22 23:26:24,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:24,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:24,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 174 conjunts are in the unsatisfiable core [2021-11-22 23:26:24,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:25,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14708 backedges. 2 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 192 states and 209 transitions. [2021-11-22 23:26:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 209 transitions. [2021-11-22 23:26:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-22 23:26:26,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:26,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-22 23:26:26,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14880 backedges. 2 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:27,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2021-11-22 23:26:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2021-11-22 23:26:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-22 23:26:27,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:27,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:27,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 176 conjunts are in the unsatisfiable core [2021-11-22 23:26:27,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15053 backedges. 2 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 194 states and 211 transitions. [2021-11-22 23:26:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 211 transitions. [2021-11-22 23:26:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-22 23:26:29,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:29,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:29,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 177 conjunts are in the unsatisfiable core [2021-11-22 23:26:29,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15227 backedges. 2 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 195 states and 212 transitions. [2021-11-22 23:26:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 212 transitions. [2021-11-22 23:26:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-22 23:26:31,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:31,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:31,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 178 conjunts are in the unsatisfiable core [2021-11-22 23:26:31,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15402 backedges. 2 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 196 states and 213 transitions. [2021-11-22 23:26:33,073 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2021-11-22 23:26:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-22 23:26:33,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:33,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:33,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 179 conjunts are in the unsatisfiable core [2021-11-22 23:26:33,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 15578 backedges. 2 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:34,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 197 states and 214 transitions. [2021-11-22 23:26:34,765 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 214 transitions. [2021-11-22 23:26:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-22 23:26:34,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:34,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 180 conjunts are in the unsatisfiable core [2021-11-22 23:26:34,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15755 backedges. 2 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 198 states and 215 transitions. [2021-11-22 23:26:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 215 transitions. [2021-11-22 23:26:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-22 23:26:36,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:36,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:36,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 181 conjunts are in the unsatisfiable core [2021-11-22 23:26:36,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15933 backedges. 2 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-22 23:26:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-22 23:26:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-22 23:26:38,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:38,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:38,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 182 conjunts are in the unsatisfiable core [2021-11-22 23:26:38,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16112 backedges. 2 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 200 states and 217 transitions. [2021-11-22 23:26:40,103 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 217 transitions. [2021-11-22 23:26:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-22 23:26:40,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:40,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:40,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 183 conjunts are in the unsatisfiable core [2021-11-22 23:26:40,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16292 backedges. 2 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 201 states and 218 transitions. [2021-11-22 23:26:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 218 transitions. [2021-11-22 23:26:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-22 23:26:41,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:41,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:42,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 184 conjunts are in the unsatisfiable core [2021-11-22 23:26:42,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 16473 backedges. 2 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 202 states and 219 transitions. [2021-11-22 23:26:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 219 transitions. [2021-11-22 23:26:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-22 23:26:43,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:43,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:43,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 185 conjunts are in the unsatisfiable core [2021-11-22 23:26:43,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 16655 backedges. 2 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 203 states and 220 transitions. [2021-11-22 23:26:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 220 transitions. [2021-11-22 23:26:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-22 23:26:45,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:45,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:45,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 186 conjunts are in the unsatisfiable core [2021-11-22 23:26:45,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16838 backedges. 2 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 204 states and 221 transitions. [2021-11-22 23:26:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 221 transitions. [2021-11-22 23:26:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-22 23:26:47,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:47,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:47,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-22 23:26:47,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 17022 backedges. 2 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:48,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 205 states and 222 transitions. [2021-11-22 23:26:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 222 transitions. [2021-11-22 23:26:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-22 23:26:48,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:48,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:49,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 188 conjunts are in the unsatisfiable core [2021-11-22 23:26:49,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 17207 backedges. 2 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 206 states and 223 transitions. [2021-11-22 23:26:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 223 transitions. [2021-11-22 23:26:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-22 23:26:50,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:50,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:50,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 189 conjunts are in the unsatisfiable core [2021-11-22 23:26:50,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 17393 backedges. 2 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 207 states and 224 transitions. [2021-11-22 23:26:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 224 transitions. [2021-11-22 23:26:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-22 23:26:52,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:52,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:52,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 190 conjunts are in the unsatisfiable core [2021-11-22 23:26:52,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 17580 backedges. 2 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 208 states and 225 transitions. [2021-11-22 23:26:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 225 transitions. [2021-11-22 23:26:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 23:26:54,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:54,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 191 conjunts are in the unsatisfiable core [2021-11-22 23:26:54,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 17768 backedges. 2 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 209 states and 226 transitions. [2021-11-22 23:26:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 226 transitions. [2021-11-22 23:26:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-22 23:26:56,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:56,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:56,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 192 conjunts are in the unsatisfiable core [2021-11-22 23:26:56,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 17957 backedges. 2 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 210 states and 227 transitions. [2021-11-22 23:26:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 227 transitions. [2021-11-22 23:26:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-22 23:26:58,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:58,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 193 conjunts are in the unsatisfiable core [2021-11-22 23:26:58,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:26:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18147 backedges. 2 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 228 transitions. [2021-11-22 23:27:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 228 transitions. [2021-11-22 23:27:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-22 23:27:00,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:00,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 194 conjunts are in the unsatisfiable core [2021-11-22 23:27:00,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 18338 backedges. 2 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 212 states and 229 transitions. [2021-11-22 23:27:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2021-11-22 23:27:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-22 23:27:01,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:01,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:02,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 195 conjunts are in the unsatisfiable core [2021-11-22 23:27:02,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18530 backedges. 2 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 213 states and 230 transitions. [2021-11-22 23:27:03,752 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 230 transitions. [2021-11-22 23:27:03,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-22 23:27:03,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:03,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:03,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-22 23:27:03,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 18723 backedges. 2 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 214 states and 231 transitions. [2021-11-22 23:27:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2021-11-22 23:27:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-22 23:27:05,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:05,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:05,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 197 conjunts are in the unsatisfiable core [2021-11-22 23:27:05,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 18917 backedges. 2 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 215 states and 232 transitions. [2021-11-22 23:27:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 232 transitions. [2021-11-22 23:27:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-22 23:27:07,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:07,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:07,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 198 conjunts are in the unsatisfiable core [2021-11-22 23:27:07,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19112 backedges. 2 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 216 states and 233 transitions. [2021-11-22 23:27:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2021-11-22 23:27:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-22 23:27:09,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:09,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:09,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-22 23:27:09,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 19308 backedges. 2 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 217 states and 234 transitions. [2021-11-22 23:27:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2021-11-22 23:27:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-22 23:27:11,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:11,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:11,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 200 conjunts are in the unsatisfiable core [2021-11-22 23:27:11,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 19505 backedges. 2 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 218 states and 235 transitions. [2021-11-22 23:27:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 235 transitions. [2021-11-22 23:27:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-22 23:27:13,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:13,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:13,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 201 conjunts are in the unsatisfiable core [2021-11-22 23:27:13,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 19703 backedges. 2 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 219 states and 236 transitions. [2021-11-22 23:27:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 236 transitions. [2021-11-22 23:27:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-22 23:27:15,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:15,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:15,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 202 conjunts are in the unsatisfiable core [2021-11-22 23:27:15,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 19902 backedges. 2 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 220 states and 237 transitions. [2021-11-22 23:27:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 237 transitions. [2021-11-22 23:27:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-22 23:27:17,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:17,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:17,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 203 conjunts are in the unsatisfiable core [2021-11-22 23:27:17,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20102 backedges. 2 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 221 states and 238 transitions. [2021-11-22 23:27:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 238 transitions. [2021-11-22 23:27:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-22 23:27:19,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:19,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:19,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-22 23:27:19,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 20303 backedges. 2 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 222 states and 239 transitions. [2021-11-22 23:27:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2021-11-22 23:27:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-22 23:27:21,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:21,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:21,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 205 conjunts are in the unsatisfiable core [2021-11-22 23:27:21,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:22,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20505 backedges. 2 proven. 20503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 223 states and 240 transitions. [2021-11-22 23:27:23,224 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2021-11-22 23:27:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-22 23:27:23,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:23,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-22 23:27:23,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20708 backedges. 2 proven. 20706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 224 states and 241 transitions. [2021-11-22 23:27:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions. [2021-11-22 23:27:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-22 23:27:25,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:25,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:25,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 207 conjunts are in the unsatisfiable core [2021-11-22 23:27:25,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 20912 backedges. 2 proven. 20910 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 225 states and 242 transitions. [2021-11-22 23:27:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 242 transitions. [2021-11-22 23:27:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-22 23:27:27,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:27,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:27,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 208 conjunts are in the unsatisfiable core [2021-11-22 23:27:27,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21117 backedges. 2 proven. 21115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 226 states and 243 transitions. [2021-11-22 23:27:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2021-11-22 23:27:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-22 23:27:29,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:29,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:29,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 209 conjunts are in the unsatisfiable core [2021-11-22 23:27:29,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 21323 backedges. 2 proven. 21321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 227 states and 244 transitions. [2021-11-22 23:27:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 244 transitions. [2021-11-22 23:27:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-22 23:27:31,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:31,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:31,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 210 conjunts are in the unsatisfiable core [2021-11-22 23:27:31,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 21530 backedges. 2 proven. 21528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 228 states and 245 transitions. [2021-11-22 23:27:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 245 transitions. [2021-11-22 23:27:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-22 23:27:33,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:33,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:33,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 211 conjunts are in the unsatisfiable core [2021-11-22 23:27:33,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21738 backedges. 2 proven. 21736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 229 states and 246 transitions. [2021-11-22 23:27:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 246 transitions. [2021-11-22 23:27:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-22 23:27:35,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:35,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:35,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 212 conjunts are in the unsatisfiable core [2021-11-22 23:27:35,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 21947 backedges. 2 proven. 21945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:37,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 230 states and 247 transitions. [2021-11-22 23:27:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2021-11-22 23:27:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-22 23:27:37,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:37,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 213 conjunts are in the unsatisfiable core [2021-11-22 23:27:37,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 22157 backedges. 2 proven. 22155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:39,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:39,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 231 states and 248 transitions. [2021-11-22 23:27:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 248 transitions. [2021-11-22 23:27:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-22 23:27:39,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:39,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:39,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 214 conjunts are in the unsatisfiable core [2021-11-22 23:27:39,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 22368 backedges. 2 proven. 22366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 232 states and 249 transitions. [2021-11-22 23:27:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 249 transitions. [2021-11-22 23:27:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-22 23:27:41,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:41,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 215 conjunts are in the unsatisfiable core [2021-11-22 23:27:41,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22580 backedges. 2 proven. 22578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 233 states and 250 transitions. [2021-11-22 23:27:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2021-11-22 23:27:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-22 23:27:43,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:43,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:43,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 216 conjunts are in the unsatisfiable core [2021-11-22 23:27:43,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 22793 backedges. 2 proven. 22791 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:45,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 234 states and 251 transitions. [2021-11-22 23:27:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2021-11-22 23:27:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-22 23:27:45,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:45,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:46,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 217 conjunts are in the unsatisfiable core [2021-11-22 23:27:46,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 23007 backedges. 2 proven. 23005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 235 states and 252 transitions. [2021-11-22 23:27:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 252 transitions. [2021-11-22 23:27:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-22 23:27:47,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:47,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:48,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 218 conjunts are in the unsatisfiable core [2021-11-22 23:27:48,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 23222 backedges. 2 proven. 23220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 236 states and 253 transitions. [2021-11-22 23:27:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 253 transitions. [2021-11-22 23:27:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-22 23:27:50,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:50,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:50,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 219 conjunts are in the unsatisfiable core [2021-11-22 23:27:50,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 23438 backedges. 2 proven. 23436 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 237 states and 254 transitions. [2021-11-22 23:27:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 254 transitions. [2021-11-22 23:27:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-22 23:27:52,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:52,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:52,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 220 conjunts are in the unsatisfiable core [2021-11-22 23:27:52,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 23655 backedges. 2 proven. 23653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 238 states and 255 transitions. [2021-11-22 23:27:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2021-11-22 23:27:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-22 23:27:54,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:54,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:54,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 221 conjunts are in the unsatisfiable core [2021-11-22 23:27:54,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 23873 backedges. 2 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 239 states and 256 transitions. [2021-11-22 23:27:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 256 transitions. [2021-11-22 23:27:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-22 23:27:56,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:56,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 222 conjunts are in the unsatisfiable core [2021-11-22 23:27:56,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24092 backedges. 2 proven. 24090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 240 states and 257 transitions. [2021-11-22 23:27:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 257 transitions. [2021-11-22 23:27:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-22 23:27:58,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:58,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:58,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-22 23:27:59,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 24312 backedges. 2 proven. 24310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 241 states and 258 transitions. [2021-11-22 23:28:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 258 transitions. [2021-11-22 23:28:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-22 23:28:00,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:00,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:01,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 224 conjunts are in the unsatisfiable core [2021-11-22 23:28:01,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24533 backedges. 2 proven. 24531 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 242 states and 259 transitions. [2021-11-22 23:28:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 259 transitions. [2021-11-22 23:28:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-22 23:28:03,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:03,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:03,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 225 conjunts are in the unsatisfiable core [2021-11-22 23:28:03,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:04,497 INFO L134 CoverageAnalysis]: Checked inductivity of 24755 backedges. 2 proven. 24753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 243 states and 260 transitions. [2021-11-22 23:28:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2021-11-22 23:28:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-22 23:28:05,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:05,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:05,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 226 conjunts are in the unsatisfiable core [2021-11-22 23:28:05,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24978 backedges. 2 proven. 24976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 244 states and 261 transitions. [2021-11-22 23:28:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 261 transitions. [2021-11-22 23:28:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-22 23:28:07,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:07,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:07,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 227 conjunts are in the unsatisfiable core [2021-11-22 23:28:07,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25202 backedges. 2 proven. 25200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 245 states and 262 transitions. [2021-11-22 23:28:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2021-11-22 23:28:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-22 23:28:09,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:09,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:09,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 228 conjunts are in the unsatisfiable core [2021-11-22 23:28:09,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25427 backedges. 2 proven. 25425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 246 states and 263 transitions. [2021-11-22 23:28:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 263 transitions. [2021-11-22 23:28:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-22 23:28:11,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:11,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:12,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 229 conjunts are in the unsatisfiable core [2021-11-22 23:28:12,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 25653 backedges. 2 proven. 25651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 247 states and 264 transitions. [2021-11-22 23:28:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 264 transitions. [2021-11-22 23:28:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-22 23:28:14,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:14,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 230 conjunts are in the unsatisfiable core [2021-11-22 23:28:14,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 25880 backedges. 2 proven. 25878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 248 states and 265 transitions. [2021-11-22 23:28:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 265 transitions. [2021-11-22 23:28:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-22 23:28:16,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:16,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:16,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-22 23:28:16,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 26108 backedges. 2 proven. 26106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:18,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 249 states and 266 transitions. [2021-11-22 23:28:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2021-11-22 23:28:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-22 23:28:18,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:18,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:18,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-22 23:28:18,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 26337 backedges. 2 proven. 26335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 250 states and 267 transitions. [2021-11-22 23:28:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 267 transitions. [2021-11-22 23:28:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-22 23:28:21,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:21,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:21,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 233 conjunts are in the unsatisfiable core [2021-11-22 23:28:21,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 26567 backedges. 2 proven. 26565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 251 states and 268 transitions. [2021-11-22 23:28:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 268 transitions. [2021-11-22 23:28:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-22 23:28:23,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:23,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:23,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-22 23:28:23,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 26798 backedges. 2 proven. 26796 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 252 states and 269 transitions. [2021-11-22 23:28:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2021-11-22 23:28:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-22 23:28:25,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:25,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:25,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 235 conjunts are in the unsatisfiable core [2021-11-22 23:28:25,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 27030 backedges. 2 proven. 27028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 253 states and 270 transitions. [2021-11-22 23:28:28,052 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2021-11-22 23:28:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-22 23:28:28,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:28,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 236 conjunts are in the unsatisfiable core [2021-11-22 23:28:28,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 27263 backedges. 2 proven. 27261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 254 states and 271 transitions. [2021-11-22 23:28:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2021-11-22 23:28:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-22 23:28:30,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:30,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:30,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 237 conjunts are in the unsatisfiable core [2021-11-22 23:28:30,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27497 backedges. 2 proven. 27495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 255 states and 272 transitions. [2021-11-22 23:28:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 272 transitions. [2021-11-22 23:28:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-22 23:28:32,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:32,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 238 conjunts are in the unsatisfiable core [2021-11-22 23:28:32,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 27732 backedges. 2 proven. 27730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 256 states and 273 transitions. [2021-11-22 23:28:35,040 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2021-11-22 23:28:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-22 23:28:35,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:35,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:35,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 239 conjunts are in the unsatisfiable core [2021-11-22 23:28:35,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 27968 backedges. 2 proven. 27966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 257 states and 274 transitions. [2021-11-22 23:28:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 274 transitions. [2021-11-22 23:28:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-22 23:28:37,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:37,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 240 conjunts are in the unsatisfiable core [2021-11-22 23:28:37,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 28205 backedges. 2 proven. 28203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 258 states and 275 transitions. [2021-11-22 23:28:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 275 transitions. [2021-11-22 23:28:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-22 23:28:39,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:39,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:40,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 241 conjunts are in the unsatisfiable core [2021-11-22 23:28:40,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 28443 backedges. 2 proven. 28441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 259 states and 276 transitions. [2021-11-22 23:28:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 276 transitions. [2021-11-22 23:28:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-22 23:28:42,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:42,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:42,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 242 conjunts are in the unsatisfiable core [2021-11-22 23:28:42,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 28682 backedges. 2 proven. 28680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 260 states and 277 transitions. [2021-11-22 23:28:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 277 transitions. [2021-11-22 23:28:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-22 23:28:44,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:44,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:44,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 243 conjunts are in the unsatisfiable core [2021-11-22 23:28:44,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28922 backedges. 2 proven. 28920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 261 states and 278 transitions. [2021-11-22 23:28:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 278 transitions. [2021-11-22 23:28:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-22 23:28:47,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:47,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:47,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 244 conjunts are in the unsatisfiable core [2021-11-22 23:28:47,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 29163 backedges. 2 proven. 29161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 262 states and 279 transitions. [2021-11-22 23:28:49,328 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 279 transitions. [2021-11-22 23:28:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-22 23:28:49,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:49,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:49,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 245 conjunts are in the unsatisfiable core [2021-11-22 23:28:49,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 29405 backedges. 2 proven. 29403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 263 states and 280 transitions. [2021-11-22 23:28:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 280 transitions. [2021-11-22 23:28:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-22 23:28:51,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:51,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:51,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 246 conjunts are in the unsatisfiable core [2021-11-22 23:28:51,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 29648 backedges. 2 proven. 29646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 264 states and 281 transitions. [2021-11-22 23:28:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2021-11-22 23:28:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-22 23:28:54,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:54,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:54,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-22 23:28:54,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 29892 backedges. 2 proven. 29890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:56,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 265 states and 282 transitions. [2021-11-22 23:28:56,673 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 282 transitions. [2021-11-22 23:28:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-22 23:28:56,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:56,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 248 conjunts are in the unsatisfiable core [2021-11-22 23:28:56,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 30137 backedges. 2 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 266 states and 283 transitions. [2021-11-22 23:28:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 283 transitions. [2021-11-22 23:28:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-22 23:28:59,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:59,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 249 conjunts are in the unsatisfiable core [2021-11-22 23:28:59,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30383 backedges. 2 proven. 30381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 267 states and 284 transitions. [2021-11-22 23:29:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 284 transitions. [2021-11-22 23:29:01,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-22 23:29:01,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:01,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:01,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 250 conjunts are in the unsatisfiable core [2021-11-22 23:29:01,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30630 backedges. 2 proven. 30628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 268 states and 285 transitions. [2021-11-22 23:29:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 285 transitions. [2021-11-22 23:29:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-22 23:29:04,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:04,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:04,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 251 conjunts are in the unsatisfiable core [2021-11-22 23:29:04,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30878 backedges. 2 proven. 30876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 269 states and 286 transitions. [2021-11-22 23:29:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 286 transitions. [2021-11-22 23:29:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-22 23:29:06,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:06,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:06,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 252 conjunts are in the unsatisfiable core [2021-11-22 23:29:06,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 31127 backedges. 2 proven. 31125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:08,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 270 states and 287 transitions. [2021-11-22 23:29:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 287 transitions. [2021-11-22 23:29:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-22 23:29:08,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:08,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:09,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-22 23:29:09,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 31377 backedges. 2 proven. 31375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:11,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 271 states and 288 transitions. [2021-11-22 23:29:11,545 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 288 transitions. [2021-11-22 23:29:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-22 23:29:11,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:11,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:11,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-22 23:29:11,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 31628 backedges. 2 proven. 31626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 272 states and 289 transitions. [2021-11-22 23:29:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 289 transitions. [2021-11-22 23:29:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-22 23:29:13,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:13,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:14,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 255 conjunts are in the unsatisfiable core [2021-11-22 23:29:14,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 31880 backedges. 2 proven. 31878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 273 states and 290 transitions. [2021-11-22 23:29:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 290 transitions. [2021-11-22 23:29:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-22 23:29:16,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:16,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:16,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 256 conjunts are in the unsatisfiable core [2021-11-22 23:29:16,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 32133 backedges. 2 proven. 32131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 274 states and 291 transitions. [2021-11-22 23:29:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 291 transitions. [2021-11-22 23:29:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-22 23:29:19,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:19,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:19,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 257 conjunts are in the unsatisfiable core [2021-11-22 23:29:19,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 32387 backedges. 2 proven. 32385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:21,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 275 states and 292 transitions. [2021-11-22 23:29:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 292 transitions. [2021-11-22 23:29:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-22 23:29:21,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:21,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:22,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-22 23:29:22,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32642 backedges. 2 proven. 32640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 276 states and 293 transitions. [2021-11-22 23:29:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 293 transitions. [2021-11-22 23:29:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-22 23:29:24,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:24,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:24,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 259 conjunts are in the unsatisfiable core [2021-11-22 23:29:24,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32898 backedges. 2 proven. 32896 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 277 states and 294 transitions. [2021-11-22 23:29:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 294 transitions. [2021-11-22 23:29:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-22 23:29:27,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:27,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:27,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 260 conjunts are in the unsatisfiable core [2021-11-22 23:29:27,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 33155 backedges. 2 proven. 33153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 278 states and 295 transitions. [2021-11-22 23:29:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 295 transitions. [2021-11-22 23:29:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-22 23:29:29,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:29,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 261 conjunts are in the unsatisfiable core [2021-11-22 23:29:29,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 33413 backedges. 2 proven. 33411 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 279 states and 296 transitions. [2021-11-22 23:29:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 296 transitions. [2021-11-22 23:29:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-22 23:29:32,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:32,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:32,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 262 conjunts are in the unsatisfiable core [2021-11-22 23:29:32,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 33672 backedges. 2 proven. 33670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 280 states and 297 transitions. [2021-11-22 23:29:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 297 transitions. [2021-11-22 23:29:34,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-22 23:29:34,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:34,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:35,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 263 conjunts are in the unsatisfiable core [2021-11-22 23:29:35,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33932 backedges. 2 proven. 33930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 281 states and 298 transitions. [2021-11-22 23:29:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 298 transitions. [2021-11-22 23:29:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-22 23:29:37,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:37,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:37,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 264 conjunts are in the unsatisfiable core [2021-11-22 23:29:37,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34193 backedges. 2 proven. 34191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 282 states and 299 transitions. [2021-11-22 23:29:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 299 transitions. [2021-11-22 23:29:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-22 23:29:39,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:39,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:40,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 265 conjunts are in the unsatisfiable core [2021-11-22 23:29:40,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 34455 backedges. 2 proven. 34453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 283 states and 300 transitions. [2021-11-22 23:29:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 300 transitions. [2021-11-22 23:29:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-22 23:29:42,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:42,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:42,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 266 conjunts are in the unsatisfiable core [2021-11-22 23:29:42,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 34718 backedges. 2 proven. 34716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 284 states and 301 transitions. [2021-11-22 23:29:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 301 transitions. [2021-11-22 23:29:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-22 23:29:45,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:45,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:45,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 267 conjunts are in the unsatisfiable core [2021-11-22 23:29:45,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 34982 backedges. 2 proven. 34980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 285 states and 302 transitions. [2021-11-22 23:29:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 302 transitions. [2021-11-22 23:29:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-22 23:29:47,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:47,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:48,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 268 conjunts are in the unsatisfiable core [2021-11-22 23:29:48,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 35247 backedges. 2 proven. 35245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 286 states and 303 transitions. [2021-11-22 23:29:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 303 transitions. [2021-11-22 23:29:50,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-22 23:29:50,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:50,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:50,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 269 conjunts are in the unsatisfiable core [2021-11-22 23:29:50,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 35513 backedges. 2 proven. 35511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 287 states and 304 transitions. [2021-11-22 23:29:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 304 transitions. [2021-11-22 23:29:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-22 23:29:53,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:53,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:53,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 270 conjunts are in the unsatisfiable core [2021-11-22 23:29:53,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 35780 backedges. 2 proven. 35778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 288 states and 305 transitions. [2021-11-22 23:29:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 305 transitions. [2021-11-22 23:29:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-22 23:29:56,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:56,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:56,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-22 23:29:56,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 36048 backedges. 2 proven. 36046 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 289 states and 306 transitions. [2021-11-22 23:29:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 306 transitions. [2021-11-22 23:29:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-22 23:29:58,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:58,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:58,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-22 23:29:58,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 36317 backedges. 2 proven. 36315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 290 states and 307 transitions. [2021-11-22 23:30:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 307 transitions. [2021-11-22 23:30:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-22 23:30:01,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:01,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:01,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 273 conjunts are in the unsatisfiable core [2021-11-22 23:30:01,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36587 backedges. 2 proven. 36585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 291 states and 308 transitions. [2021-11-22 23:30:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 308 transitions. [2021-11-22 23:30:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-22 23:30:04,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:04,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:04,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-22 23:30:04,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 36858 backedges. 2 proven. 36856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 292 states and 309 transitions. [2021-11-22 23:30:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 309 transitions. [2021-11-22 23:30:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-22 23:30:06,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:06,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:07,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 275 conjunts are in the unsatisfiable core [2021-11-22 23:30:07,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 37130 backedges. 2 proven. 37128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 293 states and 310 transitions. [2021-11-22 23:30:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 310 transitions. [2021-11-22 23:30:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-22 23:30:09,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:09,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:10,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 276 conjunts are in the unsatisfiable core [2021-11-22 23:30:10,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 37403 backedges. 2 proven. 37401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 294 states and 311 transitions. [2021-11-22 23:30:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 311 transitions. [2021-11-22 23:30:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-22 23:30:12,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:12,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 277 conjunts are in the unsatisfiable core [2021-11-22 23:30:12,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 37677 backedges. 2 proven. 37675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 295 states and 312 transitions. [2021-11-22 23:30:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 312 transitions. [2021-11-22 23:30:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-22 23:30:15,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:15,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:15,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 278 conjunts are in the unsatisfiable core [2021-11-22 23:30:15,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:16,898 INFO L134 CoverageAnalysis]: Checked inductivity of 37952 backedges. 2 proven. 37950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 296 states and 313 transitions. [2021-11-22 23:30:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 313 transitions. [2021-11-22 23:30:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-22 23:30:18,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:18,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:18,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 279 conjunts are in the unsatisfiable core [2021-11-22 23:30:18,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38228 backedges. 2 proven. 38226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 297 states and 314 transitions. [2021-11-22 23:30:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2021-11-22 23:30:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-22 23:30:20,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:20,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:21,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 280 conjunts are in the unsatisfiable core [2021-11-22 23:30:21,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 38505 backedges. 2 proven. 38503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 298 states and 315 transitions. [2021-11-22 23:30:23,485 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 315 transitions. [2021-11-22 23:30:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-22 23:30:23,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:23,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:23,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 281 conjunts are in the unsatisfiable core [2021-11-22 23:30:23,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 38783 backedges. 2 proven. 38781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 299 states and 316 transitions. [2021-11-22 23:30:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2021-11-22 23:30:26,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-22 23:30:26,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:26,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:26,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 282 conjunts are in the unsatisfiable core [2021-11-22 23:30:26,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 39062 backedges. 2 proven. 39060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 317 transitions. [2021-11-22 23:30:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 317 transitions. [2021-11-22 23:30:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-22 23:30:29,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:29,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:29,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 283 conjunts are in the unsatisfiable core [2021-11-22 23:30:29,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 39342 backedges. 2 proven. 39340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 301 states and 318 transitions. [2021-11-22 23:30:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 318 transitions. [2021-11-22 23:30:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-22 23:30:32,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:32,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:32,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 284 conjunts are in the unsatisfiable core [2021-11-22 23:30:32,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 39623 backedges. 2 proven. 39621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 302 states and 319 transitions. [2021-11-22 23:30:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 319 transitions. [2021-11-22 23:30:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-22 23:30:35,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:35,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:35,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 285 conjunts are in the unsatisfiable core [2021-11-22 23:30:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 39905 backedges. 2 proven. 39903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 303 states and 320 transitions. [2021-11-22 23:30:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 320 transitions. [2021-11-22 23:30:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-22 23:30:37,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:37,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:38,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 286 conjunts are in the unsatisfiable core [2021-11-22 23:30:38,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40188 backedges. 2 proven. 40186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 304 states and 321 transitions. [2021-11-22 23:30:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 321 transitions. [2021-11-22 23:30:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-22 23:30:40,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:40,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:41,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 287 conjunts are in the unsatisfiable core [2021-11-22 23:30:41,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 40472 backedges. 2 proven. 40470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 305 states and 322 transitions. [2021-11-22 23:30:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 322 transitions. [2021-11-22 23:30:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-22 23:30:43,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:43,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:43,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 288 conjunts are in the unsatisfiable core [2021-11-22 23:30:43,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 40757 backedges. 2 proven. 40755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 306 states and 323 transitions. [2021-11-22 23:30:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 323 transitions. [2021-11-22 23:30:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-22 23:30:46,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:46,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:46,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 289 conjunts are in the unsatisfiable core [2021-11-22 23:30:46,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 41043 backedges. 2 proven. 41041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 307 states and 324 transitions. [2021-11-22 23:30:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 324 transitions. [2021-11-22 23:30:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-22 23:30:49,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:49,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:49,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 290 conjunts are in the unsatisfiable core [2021-11-22 23:30:49,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 41330 backedges. 2 proven. 41328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 308 states and 325 transitions. [2021-11-22 23:30:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 325 transitions. [2021-11-22 23:30:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-22 23:30:52,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:52,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:52,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 291 conjunts are in the unsatisfiable core [2021-11-22 23:30:52,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 41618 backedges. 2 proven. 41616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 309 states and 326 transitions. [2021-11-22 23:30:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 326 transitions. [2021-11-22 23:30:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-22 23:30:55,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:55,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:55,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 292 conjunts are in the unsatisfiable core [2021-11-22 23:30:55,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 41907 backedges. 2 proven. 41905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 310 states and 327 transitions. [2021-11-22 23:30:58,094 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 327 transitions. [2021-11-22 23:30:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-22 23:30:58,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:58,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:58,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 293 conjunts are in the unsatisfiable core [2021-11-22 23:30:58,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 42197 backedges. 2 proven. 42195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 311 states and 328 transitions. [2021-11-22 23:31:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 328 transitions. [2021-11-22 23:31:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-22 23:31:00,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:00,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:01,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 294 conjunts are in the unsatisfiable core [2021-11-22 23:31:01,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 42488 backedges. 2 proven. 42486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 312 states and 329 transitions. [2021-11-22 23:31:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 329 transitions. [2021-11-22 23:31:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-22 23:31:03,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:03,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-22 23:31:04,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42780 backedges. 2 proven. 42778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 313 states and 330 transitions. [2021-11-22 23:31:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 330 transitions. [2021-11-22 23:31:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-22 23:31:06,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:06,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:07,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 296 conjunts are in the unsatisfiable core [2021-11-22 23:31:07,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 43073 backedges. 2 proven. 43071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 314 states and 331 transitions. [2021-11-22 23:31:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 331 transitions. [2021-11-22 23:31:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-22 23:31:09,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:10,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 297 conjunts are in the unsatisfiable core [2021-11-22 23:31:10,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 43367 backedges. 2 proven. 43365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 315 states and 332 transitions. [2021-11-22 23:31:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2021-11-22 23:31:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-22 23:31:12,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:12,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 298 conjunts are in the unsatisfiable core [2021-11-22 23:31:13,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 43662 backedges. 2 proven. 43660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 316 states and 333 transitions. [2021-11-22 23:31:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2021-11-22 23:31:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-22 23:31:15,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:15,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:16,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 299 conjunts are in the unsatisfiable core [2021-11-22 23:31:16,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 43958 backedges. 2 proven. 43956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 317 states and 334 transitions. [2021-11-22 23:31:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 334 transitions. [2021-11-22 23:31:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-22 23:31:18,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:19,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 300 conjunts are in the unsatisfiable core [2021-11-22 23:31:19,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 44255 backedges. 2 proven. 44253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 318 states and 335 transitions. [2021-11-22 23:31:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 335 transitions. [2021-11-22 23:31:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-22 23:31:21,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:21,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:22,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 301 conjunts are in the unsatisfiable core [2021-11-22 23:31:22,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 44553 backedges. 2 proven. 44551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 319 states and 336 transitions. [2021-11-22 23:31:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 336 transitions. [2021-11-22 23:31:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-22 23:31:24,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 302 conjunts are in the unsatisfiable core [2021-11-22 23:31:25,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 44852 backedges. 2 proven. 44850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 320 states and 337 transitions. [2021-11-22 23:31:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 337 transitions. [2021-11-22 23:31:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-22 23:31:27,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:27,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:28,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 303 conjunts are in the unsatisfiable core [2021-11-22 23:31:28,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 45152 backedges. 2 proven. 45150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 321 states and 338 transitions. [2021-11-22 23:31:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 338 transitions. [2021-11-22 23:31:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-22 23:31:30,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:31,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 304 conjunts are in the unsatisfiable core [2021-11-22 23:31:31,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 45453 backedges. 2 proven. 45451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 322 states and 339 transitions. [2021-11-22 23:31:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 339 transitions. [2021-11-22 23:31:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-22 23:31:34,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 305 conjunts are in the unsatisfiable core [2021-11-22 23:31:34,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 45755 backedges. 2 proven. 45753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 323 states and 340 transitions. [2021-11-22 23:31:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 340 transitions. [2021-11-22 23:31:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-22 23:31:37,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:37,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 306 conjunts are in the unsatisfiable core [2021-11-22 23:31:37,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 46058 backedges. 2 proven. 46056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 324 states and 341 transitions. [2021-11-22 23:31:40,425 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 341 transitions. [2021-11-22 23:31:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-22 23:31:40,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:40,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:40,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 307 conjunts are in the unsatisfiable core [2021-11-22 23:31:40,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 46362 backedges. 2 proven. 46360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 325 states and 342 transitions. [2021-11-22 23:31:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 342 transitions. [2021-11-22 23:31:43,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-22 23:31:43,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:43,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 308 conjunts are in the unsatisfiable core [2021-11-22 23:31:43,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 46667 backedges. 2 proven. 46665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 326 states and 343 transitions. [2021-11-22 23:31:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 343 transitions. [2021-11-22 23:31:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-22 23:31:46,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:46,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 309 conjunts are in the unsatisfiable core [2021-11-22 23:31:46,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 46973 backedges. 2 proven. 46971 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 327 states and 344 transitions. [2021-11-22 23:31:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 344 transitions. [2021-11-22 23:31:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-22 23:31:49,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:49,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 310 conjunts are in the unsatisfiable core [2021-11-22 23:31:49,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 47280 backedges. 2 proven. 47278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 328 states and 345 transitions. [2021-11-22 23:31:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 345 transitions. [2021-11-22 23:31:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-22 23:31:52,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:52,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:53,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 311 conjunts are in the unsatisfiable core [2021-11-22 23:31:53,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 47588 backedges. 2 proven. 47586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 329 states and 346 transitions. [2021-11-22 23:31:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 346 transitions. [2021-11-22 23:31:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-22 23:31:56,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:56,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:56,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 312 conjunts are in the unsatisfiable core [2021-11-22 23:31:56,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:31:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 47897 backedges. 2 proven. 47895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 330 states and 347 transitions. [2021-11-22 23:31:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 347 transitions. [2021-11-22 23:31:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-22 23:31:59,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:59,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:59,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 313 conjunts are in the unsatisfiable core [2021-11-22 23:31:59,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 48207 backedges. 2 proven. 48205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:02,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 331 states and 348 transitions. [2021-11-22 23:32:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 348 transitions. [2021-11-22 23:32:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-11-22 23:32:02,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:02,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:02,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 314 conjunts are in the unsatisfiable core [2021-11-22 23:32:02,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 48518 backedges. 2 proven. 48516 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:05,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 332 states and 349 transitions. [2021-11-22 23:32:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 349 transitions. [2021-11-22 23:32:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-22 23:32:05,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:05,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 315 conjunts are in the unsatisfiable core [2021-11-22 23:32:05,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 48830 backedges. 2 proven. 48828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 333 states and 350 transitions. [2021-11-22 23:32:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 350 transitions. [2021-11-22 23:32:08,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-22 23:32:08,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:08,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:08,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 316 conjunts are in the unsatisfiable core [2021-11-22 23:32:08,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 49143 backedges. 2 proven. 49141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 334 states and 351 transitions. [2021-11-22 23:32:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 351 transitions. [2021-11-22 23:32:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-22 23:32:11,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:11,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:12,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 317 conjunts are in the unsatisfiable core [2021-11-22 23:32:12,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 49457 backedges. 2 proven. 49455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 335 states and 352 transitions. [2021-11-22 23:32:15,214 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 352 transitions. [2021-11-22 23:32:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-22 23:32:15,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:15,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:15,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 318 conjunts are in the unsatisfiable core [2021-11-22 23:32:15,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 49772 backedges. 2 proven. 49770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:18,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 336 states and 353 transitions. [2021-11-22 23:32:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 353 transitions. [2021-11-22 23:32:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-22 23:32:18,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:18,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:18,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-22 23:32:18,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 50088 backedges. 2 proven. 50086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 337 states and 354 transitions. [2021-11-22 23:32:21,698 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 354 transitions. [2021-11-22 23:32:21,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-22 23:32:21,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:21,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:22,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 320 conjunts are in the unsatisfiable core [2021-11-22 23:32:22,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 50405 backedges. 2 proven. 50403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 338 states and 355 transitions. [2021-11-22 23:32:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 355 transitions. [2021-11-22 23:32:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-22 23:32:24,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:24,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:25,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 321 conjunts are in the unsatisfiable core [2021-11-22 23:32:25,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 50723 backedges. 2 proven. 50721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 339 states and 356 transitions. [2021-11-22 23:32:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 356 transitions. [2021-11-22 23:32:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-22 23:32:28,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:28,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:28,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 322 conjunts are in the unsatisfiable core [2021-11-22 23:32:28,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 51042 backedges. 2 proven. 51040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 340 states and 357 transitions. [2021-11-22 23:32:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 357 transitions. [2021-11-22 23:32:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-22 23:32:31,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:31,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 323 conjunts are in the unsatisfiable core [2021-11-22 23:32:31,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 51362 backedges. 2 proven. 51360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 341 states and 358 transitions. [2021-11-22 23:32:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 358 transitions. [2021-11-22 23:32:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-22 23:32:34,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:34,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:34,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 324 conjunts are in the unsatisfiable core [2021-11-22 23:32:34,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 51683 backedges. 2 proven. 51681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 342 states and 359 transitions. [2021-11-22 23:32:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2021-11-22 23:32:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-22 23:32:37,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:37,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:38,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 325 conjunts are in the unsatisfiable core [2021-11-22 23:32:38,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 52005 backedges. 2 proven. 52003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 343 states and 360 transitions. [2021-11-22 23:32:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 360 transitions. [2021-11-22 23:32:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-22 23:32:41,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:41,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:41,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 326 conjunts are in the unsatisfiable core [2021-11-22 23:32:41,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 52328 backedges. 2 proven. 52326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 344 states and 361 transitions. [2021-11-22 23:32:44,811 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 361 transitions. [2021-11-22 23:32:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-22 23:32:44,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:44,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:45,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 327 conjunts are in the unsatisfiable core [2021-11-22 23:32:45,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 52652 backedges. 2 proven. 52650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 345 states and 362 transitions. [2021-11-22 23:32:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 362 transitions. [2021-11-22 23:32:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-22 23:32:48,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:48,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:48,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 328 conjunts are in the unsatisfiable core [2021-11-22 23:32:48,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 52977 backedges. 2 proven. 52975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 346 states and 363 transitions. [2021-11-22 23:32:51,448 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 363 transitions. [2021-11-22 23:32:51,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-22 23:32:51,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:51,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:51,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 329 conjunts are in the unsatisfiable core [2021-11-22 23:32:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 53303 backedges. 2 proven. 53301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 347 states and 364 transitions. [2021-11-22 23:32:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 364 transitions. [2021-11-22 23:32:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-22 23:32:54,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:54,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:55,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 330 conjunts are in the unsatisfiable core [2021-11-22 23:32:55,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:32:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 53630 backedges. 2 proven. 53628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 348 states and 365 transitions. [2021-11-22 23:32:58,264 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 365 transitions. [2021-11-22 23:32:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-22 23:32:58,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:58,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:58,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 331 conjunts are in the unsatisfiable core [2021-11-22 23:32:58,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 53958 backedges. 2 proven. 53956 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 349 states and 366 transitions. [2021-11-22 23:33:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 366 transitions. [2021-11-22 23:33:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-22 23:33:01,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:01,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:01,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 332 conjunts are in the unsatisfiable core [2021-11-22 23:33:01,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 54287 backedges. 2 proven. 54285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 350 states and 367 transitions. [2021-11-22 23:33:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 367 transitions. [2021-11-22 23:33:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-22 23:33:05,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:05,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:05,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 333 conjunts are in the unsatisfiable core [2021-11-22 23:33:05,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 54617 backedges. 2 proven. 54615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 351 states and 368 transitions. [2021-11-22 23:33:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 368 transitions. [2021-11-22 23:33:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-22 23:33:08,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:08,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:08,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 334 conjunts are in the unsatisfiable core [2021-11-22 23:33:08,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 54948 backedges. 2 proven. 54946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 352 states and 369 transitions. [2021-11-22 23:33:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 369 transitions. [2021-11-22 23:33:11,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-11-22 23:33:11,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:11,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:12,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 335 conjunts are in the unsatisfiable core [2021-11-22 23:33:12,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 55280 backedges. 2 proven. 55278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 353 states and 370 transitions. [2021-11-22 23:33:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 370 transitions. [2021-11-22 23:33:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-22 23:33:15,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:15,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 336 conjunts are in the unsatisfiable core [2021-11-22 23:33:15,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 55613 backedges. 2 proven. 55611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:18,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 354 states and 371 transitions. [2021-11-22 23:33:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 371 transitions. [2021-11-22 23:33:18,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-22 23:33:18,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:18,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:19,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 337 conjunts are in the unsatisfiable core [2021-11-22 23:33:19,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 55947 backedges. 2 proven. 55945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 355 states and 372 transitions. [2021-11-22 23:33:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 372 transitions. [2021-11-22 23:33:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-22 23:33:22,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:22,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:22,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 338 conjunts are in the unsatisfiable core [2021-11-22 23:33:22,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56282 backedges. 2 proven. 56280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 356 states and 373 transitions. [2021-11-22 23:33:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 373 transitions. [2021-11-22 23:33:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-22 23:33:25,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:25,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:26,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 339 conjunts are in the unsatisfiable core [2021-11-22 23:33:26,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 56618 backedges. 2 proven. 56616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 357 states and 374 transitions. [2021-11-22 23:33:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 374 transitions. [2021-11-22 23:33:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-22 23:33:29,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:29,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:29,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1455 conjuncts, 340 conjunts are in the unsatisfiable core [2021-11-22 23:33:29,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 56955 backedges. 2 proven. 56953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 358 states and 375 transitions. [2021-11-22 23:33:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 375 transitions. [2021-11-22 23:33:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-22 23:33:32,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:32,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:33,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1459 conjuncts, 341 conjunts are in the unsatisfiable core [2021-11-22 23:33:33,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 2 proven. 57291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 359 states and 376 transitions. [2021-11-22 23:33:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 376 transitions. [2021-11-22 23:33:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-22 23:33:36,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:36,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:37,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 342 conjunts are in the unsatisfiable core [2021-11-22 23:33:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 57632 backedges. 2 proven. 57630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 360 states and 377 transitions. [2021-11-22 23:33:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 377 transitions. [2021-11-22 23:33:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-22 23:33:40,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:40,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:40,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 343 conjunts are in the unsatisfiable core [2021-11-22 23:33:40,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 57972 backedges. 2 proven. 57970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 361 states and 378 transitions. [2021-11-22 23:33:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 378 transitions. [2021-11-22 23:33:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-22 23:33:44,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:44,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:44,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 344 conjunts are in the unsatisfiable core [2021-11-22 23:33:44,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 58313 backedges. 2 proven. 58311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 362 states and 379 transitions. [2021-11-22 23:33:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 379 transitions. [2021-11-22 23:33:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-22 23:33:47,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:47,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:47,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 345 conjunts are in the unsatisfiable core [2021-11-22 23:33:47,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 58655 backedges. 2 proven. 58653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 363 states and 380 transitions. [2021-11-22 23:33:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 380 transitions. [2021-11-22 23:33:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-22 23:33:50,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:50,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:51,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1479 conjuncts, 346 conjunts are in the unsatisfiable core [2021-11-22 23:33:51,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 58998 backedges. 2 proven. 58996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 364 states and 381 transitions. [2021-11-22 23:33:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 381 transitions. [2021-11-22 23:33:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-22 23:33:54,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:54,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:54,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 347 conjunts are in the unsatisfiable core [2021-11-22 23:33:54,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 59342 backedges. 2 proven. 59340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:57,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 365 states and 382 transitions. [2021-11-22 23:33:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 382 transitions. [2021-11-22 23:33:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-22 23:33:57,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:58,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 348 conjunts are in the unsatisfiable core [2021-11-22 23:33:58,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:33:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 59687 backedges. 2 proven. 59685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 366 states and 383 transitions. [2021-11-22 23:34:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 383 transitions. [2021-11-22 23:34:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-22 23:34:01,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:01,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:01,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 349 conjunts are in the unsatisfiable core [2021-11-22 23:34:01,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 60033 backedges. 2 proven. 60031 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 367 states and 384 transitions. [2021-11-22 23:34:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 384 transitions. [2021-11-22 23:34:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-11-22 23:34:04,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:04,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:05,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1495 conjuncts, 350 conjunts are in the unsatisfiable core [2021-11-22 23:34:05,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 60380 backedges. 2 proven. 60378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:08,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 368 states and 385 transitions. [2021-11-22 23:34:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 385 transitions. [2021-11-22 23:34:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-22 23:34:08,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:08,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:08,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 351 conjunts are in the unsatisfiable core [2021-11-22 23:34:08,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 60728 backedges. 2 proven. 60726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 369 states and 386 transitions. [2021-11-22 23:34:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 386 transitions. [2021-11-22 23:34:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-11-22 23:34:12,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:12,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:12,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 352 conjunts are in the unsatisfiable core [2021-11-22 23:34:12,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 61077 backedges. 2 proven. 61075 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:15,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 370 states and 387 transitions. [2021-11-22 23:34:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 387 transitions. [2021-11-22 23:34:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-11-22 23:34:15,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:15,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:16,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 353 conjunts are in the unsatisfiable core [2021-11-22 23:34:16,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 61427 backedges. 2 proven. 61425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 371 states and 388 transitions. [2021-11-22 23:34:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 388 transitions. [2021-11-22 23:34:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-22 23:34:19,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:19,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:19,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 354 conjunts are in the unsatisfiable core [2021-11-22 23:34:19,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 61778 backedges. 2 proven. 61776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 372 states and 389 transitions. [2021-11-22 23:34:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 389 transitions. [2021-11-22 23:34:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-22 23:34:22,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:23,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 355 conjunts are in the unsatisfiable core [2021-11-22 23:34:23,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 62130 backedges. 2 proven. 62128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 373 states and 390 transitions. [2021-11-22 23:34:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 390 transitions. [2021-11-22 23:34:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-22 23:34:26,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:26,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:26,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 356 conjunts are in the unsatisfiable core [2021-11-22 23:34:26,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 62483 backedges. 2 proven. 62481 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 374 states and 391 transitions. [2021-11-22 23:34:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 391 transitions. [2021-11-22 23:34:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-22 23:34:29,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:29,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:30,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 357 conjunts are in the unsatisfiable core [2021-11-22 23:34:30,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 62837 backedges. 2 proven. 62835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 375 states and 392 transitions. [2021-11-22 23:34:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 392 transitions. [2021-11-22 23:34:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-22 23:34:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:33,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 358 conjunts are in the unsatisfiable core [2021-11-22 23:34:33,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 63192 backedges. 2 proven. 63190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 376 states and 393 transitions. [2021-11-22 23:34:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 393 transitions. [2021-11-22 23:34:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-22 23:34:37,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:37,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:37,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 359 conjunts are in the unsatisfiable core [2021-11-22 23:34:37,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 63548 backedges. 2 proven. 63546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 377 states and 394 transitions. [2021-11-22 23:34:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 394 transitions. [2021-11-22 23:34:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-22 23:34:40,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:40,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:41,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 360 conjunts are in the unsatisfiable core [2021-11-22 23:34:41,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 63905 backedges. 2 proven. 63903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:34:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:34:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 378 states and 395 transitions. [2021-11-22 23:34:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 395 transitions. [2021-11-22 23:34:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-22 23:34:44,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:34:44,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:34:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:34:44,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 361 conjunts are in the unsatisfiable core [2021-11-22 23:34:44,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:34:46,938 INFO L134 CoverageAnalysis]: Checked inductivity of 64263 backedges. 2 proven. 64261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.