/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 17:51:26,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 17:51:26,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 17:51:26,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-12 17:51:26,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-12 17:51:26,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-12 17:51:26,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-12 17:51:26,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-12 17:51:26,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-12 17:51:26,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-12 17:51:26,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-12 17:51:26,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-12 17:51:26,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-12 17:51:26,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-12 17:51:26,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-12 17:51:26,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-12 17:51:26,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-12 17:51:26,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-12 17:51:26,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-12 17:51:26,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-12 17:51:26,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-12 17:51:26,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-12 17:51:26,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-12 17:51:26,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-12 17:51:26,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-12 17:51:26,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 17:51:26,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 17:51:26,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 17:51:26,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-12 17:51:26,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 17:51:26,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 17:51:26,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 17:51:26,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 17:51:26,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 17:51:26,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 17:51:26,903 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 17:51:26,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 17:51:26,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 17:51:26,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 17:51:26,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 17:51:26,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 17:51:26,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 17:51:26,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 17:51:26,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 17:51:26,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 17:51:26,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 17:51:26,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 17:51:26,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 17:51:26,907 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 17:51:26,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 17:51:26,907 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 17:51:27,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 17:51:27,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 17:51:27,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 17:51:27,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 17:51:27,188 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 17:51:27,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-06-12 17:51:27,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a6f58f/5810fe3abf5a4751835fce293beff812/FLAG986eaacaf [2021-06-12 17:51:27,761 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 17:51:27,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2021-06-12 17:51:27,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a6f58f/5810fe3abf5a4751835fce293beff812/FLAG986eaacaf [2021-06-12 17:51:28,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8a6f58f/5810fe3abf5a4751835fce293beff812 [2021-06-12 17:51:28,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 17:51:28,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 17:51:28,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 17:51:28,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 17:51:28,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 17:51:28,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:51:28" (1/1) ... [2021-06-12 17:51:28,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0f872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:28, skipping insertion in model container [2021-06-12 17:51:28,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:51:28" (1/1) ... [2021-06-12 17:51:28,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 17:51:28,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 17:51:28,416 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-12 17:51:28,710 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-06-12 17:51:28,716 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-06-12 17:51:28,717 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-06-12 17:51:28,797 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-06-12 17:51:28,798 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-06-12 17:51:28,801 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-06-12 17:51:28,802 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-06-12 17:51:28,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 17:51:28,819 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 17:51:28,837 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-12 17:51:28,865 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39095,39108] [2021-06-12 17:51:28,866 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39180,39193] [2021-06-12 17:51:28,866 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[39232,39245] [2021-06-12 17:51:28,873 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49388,49401] [2021-06-12 17:51:28,873 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49437,49450] [2021-06-12 17:51:28,874 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49565,49578] [2021-06-12 17:51:28,875 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i[49623,49636] [2021-06-12 17:51:28,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 17:51:29,025 INFO L208 MainTranslator]: Completed translation [2021-06-12 17:51:29,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29 WrapperNode [2021-06-12 17:51:29,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 17:51:29,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 17:51:29,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 17:51:29,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 17:51:29,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 17:51:29,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 17:51:29,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 17:51:29,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 17:51:29,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... [2021-06-12 17:51:29,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 17:51:29,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 17:51:29,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 17:51:29,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 17:51:29,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 17:51:29,177 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-06-12 17:51:29,177 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-06-12 17:51:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-12 17:51:29,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 17:51:29,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 17:51:29,180 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 17:51:29,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 17:51:29,720 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-06-12 17:51:29,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:51:29 BoogieIcfgContainer [2021-06-12 17:51:29,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 17:51:29,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 17:51:29,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 17:51:29,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 17:51:29,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 05:51:28" (1/3) ... [2021-06-12 17:51:29,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e21519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:51:29, skipping insertion in model container [2021-06-12 17:51:29,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:51:29" (2/3) ... [2021-06-12 17:51:29,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e21519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:51:29, skipping insertion in model container [2021-06-12 17:51:29,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:51:29" (3/3) ... [2021-06-12 17:51:29,729 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2021-06-12 17:51:29,734 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 17:51:29,734 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 17:51:29,734 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-06-12 17:51:29,735 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 17:51:29,810 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,810 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,810 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,810 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,811 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,811 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,811 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,812 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,813 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,814 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,814 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,814 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,814 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,815 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,815 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,816 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,817 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,818 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,819 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,820 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,821 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,822 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,822 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,822 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,822 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,822 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,823 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,823 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,823 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,823 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,824 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,824 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,824 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,825 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,825 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,825 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,826 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,826 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,828 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,829 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,829 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,829 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,834 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,835 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,836 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,837 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,838 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,839 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,840 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,841 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,842 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,842 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,842 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,843 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,844 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,845 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,846 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,846 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,846 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,846 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,847 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,848 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,849 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,850 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,850 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,850 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,850 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,856 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,859 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,859 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,859 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,860 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,861 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,862 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,863 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,864 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,865 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,866 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,867 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,868 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,869 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,870 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,870 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,870 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,870 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,870 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,871 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,872 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,873 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,874 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,875 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,875 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,877 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,877 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,878 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,879 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,880 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,881 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,882 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,883 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,883 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,883 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,884 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,885 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,886 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,887 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,888 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,889 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,891 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,891 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,891 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,891 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,891 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,892 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,893 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,894 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,895 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,895 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,899 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,899 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,900 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,901 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 17:51:29,910 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-12 17:51:29,928 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-12 17:51:29,947 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:51:29,947 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:51:29,947 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:51:29,947 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:51:29,948 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:51:29,948 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:51:29,948 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:51:29,948 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_two======== [2021-06-12 17:51:29,959 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-12 17:51:38,746 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:39,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:51:39,683 INFO L301 ceAbstractionStarter]: Result for error location reader_two was SAFE (1/3) [2021-06-12 17:51:39,687 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-12 17:51:39,699 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:51:39,699 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:51:39,699 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:51:39,699 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:51:39,699 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:51:39,699 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:51:39,699 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:51:39,699 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 17:51:39,703 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-12 17:51:47,588 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:48,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 17:51:48,188 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-12 17:51:48,189 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-12 17:51:48,194 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 17:51:48,194 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 17:51:48,194 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 17:51:48,195 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 17:51:48,195 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 17:51:48,195 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 17:51:48,195 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 17:51:48,195 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == reader_twoThread1of1ForFork0======== [2021-06-12 17:51:48,202 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 206 places, 218 transitions, 458 flow [2021-06-12 17:51:55,893 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-06-12 17:51:56,282 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:51:56,282 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:51:56,283 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:51:56,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:51:56,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1837467968, now seen corresponding path program 1 times [2021-06-12 17:51:56,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:51:56,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085995582] [2021-06-12 17:51:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:51:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:51:56,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:51:56,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:51:56,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085995582] [2021-06-12 17:51:56,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085995582] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:51:56,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:51:56,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-12 17:51:56,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227765307] [2021-06-12 17:51:57,003 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-12 17:51:57,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:51:57,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-12 17:51:57,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-06-12 17:51:57,127 INFO L87 Difference]: Start difference. First operand has 90905 states, 90900 states have (on average 3.2689108910891087) internal successors, (297144), 90904 states have internal predecessors, (297144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:51:58,952 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-06-12 17:52:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:00,478 INFO L93 Difference]: Finished difference Result 106831 states and 328248 transitions. [2021-06-12 17:52:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-12 17:52:00,480 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-06-12 17:52:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:00,830 INFO L225 Difference]: With dead ends: 106831 [2021-06-12 17:52:00,830 INFO L226 Difference]: Without dead ends: 95141 [2021-06-12 17:52:00,831 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1790.7ms TimeCoverageRelationStatistics Valid=452, Invalid=1270, Unknown=0, NotChecked=0, Total=1722 [2021-06-12 17:52:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95141 states. [2021-06-12 17:52:04,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95141 to 90545. [2021-06-12 17:52:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90545 states, 90541 states have (on average 3.0790028826719387) internal successors, (278776), 90544 states have internal predecessors, (278776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90545 states to 90545 states and 278776 transitions. [2021-06-12 17:52:05,164 INFO L78 Accepts]: Start accepts. Automaton has 90545 states and 278776 transitions. Word has length 80 [2021-06-12 17:52:05,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:52:05,164 INFO L482 AbstractCegarLoop]: Abstraction has 90545 states and 278776 transitions. [2021-06-12 17:52:05,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 19 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 90545 states and 278776 transitions. [2021-06-12 17:52:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:52:05,273 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:52:05,273 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:52:05,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 17:52:05,273 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:52:05,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:52:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1610903129, now seen corresponding path program 1 times [2021-06-12 17:52:05,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:52:05,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585446857] [2021-06-12 17:52:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:52:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:52:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:52:06,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:52:06,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585446857] [2021-06-12 17:52:06,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585446857] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:52:06,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:52:06,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-12 17:52:06,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154100039] [2021-06-12 17:52:06,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-12 17:52:06,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:52:06,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-12 17:52:06,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-12 17:52:06,020 INFO L87 Difference]: Start difference. First operand 90545 states and 278776 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:07,198 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-06-12 17:52:07,493 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-12 17:52:07,847 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-12 17:52:09,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:09,541 INFO L93 Difference]: Finished difference Result 151978 states and 468066 transitions. [2021-06-12 17:52:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-12 17:52:09,541 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:52:09,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:10,071 INFO L225 Difference]: With dead ends: 151978 [2021-06-12 17:52:10,071 INFO L226 Difference]: Without dead ends: 151327 [2021-06-12 17:52:10,072 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2214.5ms TimeCoverageRelationStatistics Valid=526, Invalid=1454, Unknown=0, NotChecked=0, Total=1980 [2021-06-12 17:52:11,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151327 states. [2021-06-12 17:52:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151327 to 107881. [2021-06-12 17:52:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107881 states, 107877 states have (on average 3.0790808049908693) internal successors, (332162), 107880 states have internal predecessors, (332162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107881 states to 107881 states and 332162 transitions. [2021-06-12 17:52:13,845 INFO L78 Accepts]: Start accepts. Automaton has 107881 states and 332162 transitions. Word has length 85 [2021-06-12 17:52:13,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:52:13,845 INFO L482 AbstractCegarLoop]: Abstraction has 107881 states and 332162 transitions. [2021-06-12 17:52:13,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:13,846 INFO L276 IsEmpty]: Start isEmpty. Operand 107881 states and 332162 transitions. [2021-06-12 17:52:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:52:13,903 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:52:13,903 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:52:13,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-12 17:52:13,903 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:52:13,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:52:13,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1145054439, now seen corresponding path program 2 times [2021-06-12 17:52:13,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:52:13,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999523020] [2021-06-12 17:52:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:52:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:52:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:52:14,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:52:14,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999523020] [2021-06-12 17:52:14,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999523020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:52:14,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:52:14,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-12 17:52:14,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880963632] [2021-06-12 17:52:14,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-12 17:52:14,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:52:14,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-12 17:52:14,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-06-12 17:52:14,593 INFO L87 Difference]: Start difference. First operand 107881 states and 332162 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:15,467 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-06-12 17:52:17,606 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-12 17:52:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:20,048 INFO L93 Difference]: Finished difference Result 219791 states and 677350 transitions. [2021-06-12 17:52:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-12 17:52:20,048 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:52:20,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:20,557 INFO L225 Difference]: With dead ends: 219791 [2021-06-12 17:52:20,557 INFO L226 Difference]: Without dead ends: 219161 [2021-06-12 17:52:20,558 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 3505.3ms TimeCoverageRelationStatistics Valid=1065, Invalid=2717, Unknown=0, NotChecked=0, Total=3782 [2021-06-12 17:52:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219161 states. [2021-06-12 17:52:24,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219161 to 107883. [2021-06-12 17:52:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107883 states, 107879 states have (on average 3.079060799599551) internal successors, (332166), 107882 states have internal predecessors, (332166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107883 states to 107883 states and 332166 transitions. [2021-06-12 17:52:24,932 INFO L78 Accepts]: Start accepts. Automaton has 107883 states and 332166 transitions. Word has length 85 [2021-06-12 17:52:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:52:24,936 INFO L482 AbstractCegarLoop]: Abstraction has 107883 states and 332166 transitions. [2021-06-12 17:52:24,936 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 107883 states and 332166 transitions. [2021-06-12 17:52:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:52:24,989 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:52:24,990 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:52:24,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-12 17:52:24,990 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:52:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:52:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash 677588919, now seen corresponding path program 3 times [2021-06-12 17:52:24,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:52:24,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775183983] [2021-06-12 17:52:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:52:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:52:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:52:25,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:52:25,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775183983] [2021-06-12 17:52:25,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775183983] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:52:25,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:52:25,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-12 17:52:25,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785476053] [2021-06-12 17:52:25,352 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-12 17:52:25,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:52:25,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-12 17:52:25,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-06-12 17:52:25,353 INFO L87 Difference]: Start difference. First operand 107883 states and 332166 transitions. Second operand has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:26,058 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-06-12 17:52:27,186 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-12 17:52:27,807 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2021-06-12 17:52:27,960 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-06-12 17:52:29,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:29,707 INFO L93 Difference]: Finished difference Result 199527 states and 615078 transitions. [2021-06-12 17:52:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-12 17:52:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:52:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:30,104 INFO L225 Difference]: With dead ends: 199527 [2021-06-12 17:52:30,105 INFO L226 Difference]: Without dead ends: 198792 [2021-06-12 17:52:30,105 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 2447.0ms TimeCoverageRelationStatistics Valid=693, Invalid=1757, Unknown=0, NotChecked=0, Total=2450 [2021-06-12 17:52:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198792 states. [2021-06-12 17:52:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198792 to 114573. [2021-06-12 17:52:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114573 states, 114569 states have (on average 3.083809756565912) internal successors, (353309), 114572 states have internal predecessors, (353309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114573 states to 114573 states and 353309 transitions. [2021-06-12 17:52:34,171 INFO L78 Accepts]: Start accepts. Automaton has 114573 states and 353309 transitions. Word has length 85 [2021-06-12 17:52:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:52:34,172 INFO L482 AbstractCegarLoop]: Abstraction has 114573 states and 353309 transitions. [2021-06-12 17:52:34,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.8636363636363638) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 114573 states and 353309 transitions. [2021-06-12 17:52:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-12 17:52:34,226 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:52:34,226 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:52:34,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-12 17:52:34,226 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:52:34,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:52:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1693106881, now seen corresponding path program 4 times [2021-06-12 17:52:34,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:52:34,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764906517] [2021-06-12 17:52:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:52:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:52:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:52:34,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:52:34,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764906517] [2021-06-12 17:52:34,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764906517] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:52:34,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:52:34,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-06-12 17:52:34,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685291937] [2021-06-12 17:52:34,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-12 17:52:34,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:52:34,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-12 17:52:34,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-06-12 17:52:34,592 INFO L87 Difference]: Start difference. First operand 114573 states and 353309 transitions. Second operand has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:35,137 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-06-12 17:52:35,738 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-06-12 17:52:35,887 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-06-12 17:52:36,045 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-06-12 17:52:36,449 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-06-12 17:52:37,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:37,802 INFO L93 Difference]: Finished difference Result 149862 states and 461077 transitions. [2021-06-12 17:52:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-12 17:52:37,803 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-12 17:52:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:38,064 INFO L225 Difference]: With dead ends: 149862 [2021-06-12 17:52:38,064 INFO L226 Difference]: Without dead ends: 148875 [2021-06-12 17:52:38,065 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1903.0ms TimeCoverageRelationStatistics Valid=403, Invalid=1157, Unknown=0, NotChecked=0, Total=1560 [2021-06-12 17:52:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148875 states. [2021-06-12 17:52:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148875 to 105931. [2021-06-12 17:52:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105931 states, 105927 states have (on average 3.08080092894163) internal successors, (326340), 105930 states have internal predecessors, (326340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105931 states to 105931 states and 326340 transitions. [2021-06-12 17:52:42,275 INFO L78 Accepts]: Start accepts. Automaton has 105931 states and 326340 transitions. Word has length 85 [2021-06-12 17:52:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:52:42,275 INFO L482 AbstractCegarLoop]: Abstraction has 105931 states and 326340 transitions. [2021-06-12 17:52:42,276 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 105931 states and 326340 transitions. [2021-06-12 17:52:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:52:42,407 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:52:42,407 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:52:42,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-12 17:52:42,407 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:52:42,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:52:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1981753901, now seen corresponding path program 1 times [2021-06-12 17:52:42,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:52:42,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245271465] [2021-06-12 17:52:42,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:52:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:52:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:52:43,182 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:52:43,182 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245271465] [2021-06-12 17:52:43,182 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245271465] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:52:43,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:52:43,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:52:43,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701268991] [2021-06-12 17:52:43,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:52:43,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:52:43,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:52:43,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:52:43,184 INFO L87 Difference]: Start difference. First operand 105931 states and 326340 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:52:43,920 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2021-06-12 17:52:44,607 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2021-06-12 17:52:44,947 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-12 17:52:45,205 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-06-12 17:52:45,577 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-06-12 17:52:46,010 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-12 17:52:46,212 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-12 17:52:46,409 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-12 17:52:46,572 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-12 17:52:46,727 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-06-12 17:52:46,936 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-12 17:52:47,126 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-06-12 17:52:47,299 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-12 17:52:47,490 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-06-12 17:52:47,657 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-12 17:52:47,861 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-06-12 17:52:48,035 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-12 17:52:48,220 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-12 17:52:48,401 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-12 17:52:48,609 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-12 17:52:48,802 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-12 17:52:48,981 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-12 17:52:49,227 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 17:52:49,419 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-12 17:52:49,613 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-12 17:52:49,919 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-12 17:52:50,121 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-12 17:52:50,312 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-12 17:52:50,489 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-12 17:52:50,733 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-12 17:52:50,959 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:52:51,199 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-12 17:52:51,420 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-12 17:52:51,620 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-12 17:52:51,909 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-12 17:52:52,116 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-12 17:52:52,425 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-12 17:52:52,702 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-12 17:52:52,916 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-12 17:52:53,178 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-12 17:52:53,449 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-12 17:52:53,722 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-12 17:52:54,003 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-12 17:52:54,388 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-12 17:52:54,751 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-12 17:52:55,234 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-12 17:52:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:52:56,809 INFO L93 Difference]: Finished difference Result 171067 states and 527865 transitions. [2021-06-12 17:52:56,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-12 17:52:56,809 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:52:56,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:52:57,073 INFO L225 Difference]: With dead ends: 171067 [2021-06-12 17:52:57,073 INFO L226 Difference]: Without dead ends: 171067 [2021-06-12 17:52:57,075 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 10398.4ms TimeCoverageRelationStatistics Valid=2606, Invalid=5950, Unknown=0, NotChecked=0, Total=8556 [2021-06-12 17:52:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171067 states. [2021-06-12 17:52:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171067 to 117391. [2021-06-12 17:53:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117391 states, 117387 states have (on average 3.0827604419569457) internal successors, (361876), 117390 states have internal predecessors, (361876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117391 states to 117391 states and 361876 transitions. [2021-06-12 17:53:00,666 INFO L78 Accepts]: Start accepts. Automaton has 117391 states and 361876 transitions. Word has length 103 [2021-06-12 17:53:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:53:00,667 INFO L482 AbstractCegarLoop]: Abstraction has 117391 states and 361876 transitions. [2021-06-12 17:53:00,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 117391 states and 361876 transitions. [2021-06-12 17:53:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:53:00,756 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:53:00,756 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:53:00,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-12 17:53:00,756 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:53:00,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:53:00,757 INFO L82 PathProgramCache]: Analyzing trace with hash -126691475, now seen corresponding path program 2 times [2021-06-12 17:53:00,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:53:00,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465500311] [2021-06-12 17:53:00,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:53:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:53:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:53:01,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:53:01,726 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465500311] [2021-06-12 17:53:01,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465500311] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:53:01,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:53:01,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:53:01,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404800419] [2021-06-12 17:53:01,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:53:01,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:53:01,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:53:01,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:53:01,728 INFO L87 Difference]: Start difference. First operand 117391 states and 361876 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:02,937 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 52 [2021-06-12 17:53:03,947 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2021-06-12 17:53:04,207 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-12 17:53:04,416 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-06-12 17:53:04,613 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2021-06-12 17:53:05,492 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-12 17:53:05,927 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-06-12 17:53:06,765 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2021-06-12 17:53:06,927 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-06-12 17:53:07,145 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-06-12 17:53:07,291 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-12 17:53:07,827 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-12 17:53:07,998 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:53:08,145 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-12 17:53:08,303 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-06-12 17:53:08,542 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-12 17:53:08,720 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-12 17:53:08,910 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-06-12 17:53:09,071 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-06-12 17:53:09,548 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-06-12 17:53:09,750 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-06-12 17:53:09,891 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-12 17:53:10,275 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-12 17:53:10,465 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-06-12 17:53:10,658 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:53:11,119 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-06-12 17:53:11,303 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-12 17:53:11,608 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 74 [2021-06-12 17:53:11,789 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-12 17:53:11,998 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2021-06-12 17:53:12,182 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-12 17:53:12,525 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-06-12 17:53:12,716 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2021-06-12 17:53:13,010 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-12 17:53:13,216 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-12 17:53:13,485 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-12 17:53:13,703 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-12 17:53:13,889 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-12 17:53:14,207 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-12 17:53:14,443 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-12 17:53:14,725 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2021-06-12 17:53:14,962 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-12 17:53:15,172 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-12 17:53:15,374 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-06-12 17:53:15,757 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-12 17:53:16,081 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-06-12 17:53:16,309 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-12 17:53:16,599 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-06-12 17:53:16,906 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-12 17:53:17,211 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-06-12 17:53:17,539 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-12 17:53:17,935 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-12 17:53:18,355 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-06-12 17:53:18,923 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-06-12 17:53:21,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:53:21,017 INFO L93 Difference]: Finished difference Result 190805 states and 588022 transitions. [2021-06-12 17:53:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-06-12 17:53:21,023 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:53:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:53:21,348 INFO L225 Difference]: With dead ends: 190805 [2021-06-12 17:53:21,348 INFO L226 Difference]: Without dead ends: 190805 [2021-06-12 17:53:21,351 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3361 ImplicationChecksByTransitivity, 14497.3ms TimeCoverageRelationStatistics Valid=4828, Invalid=12464, Unknown=0, NotChecked=0, Total=17292 [2021-06-12 17:53:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190805 states. [2021-06-12 17:53:24,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190805 to 133573. [2021-06-12 17:53:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133573 states, 133569 states have (on average 3.0874005195816396) internal successors, (412381), 133572 states have internal predecessors, (412381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133573 states to 133573 states and 412381 transitions. [2021-06-12 17:53:25,230 INFO L78 Accepts]: Start accepts. Automaton has 133573 states and 412381 transitions. Word has length 103 [2021-06-12 17:53:25,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:53:25,230 INFO L482 AbstractCegarLoop]: Abstraction has 133573 states and 412381 transitions. [2021-06-12 17:53:25,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 133573 states and 412381 transitions. [2021-06-12 17:53:25,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:53:25,334 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:53:25,334 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:53:25,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-12 17:53:25,335 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:53:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:53:25,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1033973007, now seen corresponding path program 3 times [2021-06-12 17:53:25,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:53:25,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619411640] [2021-06-12 17:53:25,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:53:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:53:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:53:26,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:53:26,415 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619411640] [2021-06-12 17:53:26,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619411640] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:53:26,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:53:26,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:53:26,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455890209] [2021-06-12 17:53:26,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:53:26,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:53:26,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:53:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:53:26,417 INFO L87 Difference]: Start difference. First operand 133573 states and 412381 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:27,763 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-12 17:53:27,974 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-06-12 17:53:28,326 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2021-06-12 17:53:28,736 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-06-12 17:53:28,979 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-06-12 17:53:29,175 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-06-12 17:53:29,362 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-12 17:53:29,527 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-06-12 17:53:29,756 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-06-12 17:53:29,924 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-06-12 17:53:30,156 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 17:53:30,338 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-12 17:53:30,560 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-12 17:53:30,756 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-06-12 17:53:30,942 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-12 17:53:31,169 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-12 17:53:31,378 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:53:31,588 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-06-12 17:53:31,802 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-06-12 17:53:32,016 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-06-12 17:53:32,198 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-06-12 17:53:32,468 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2021-06-12 17:53:32,727 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-06-12 17:53:32,933 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-06-12 17:53:33,198 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-06-12 17:53:33,448 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-06-12 17:53:33,678 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-06-12 17:53:33,938 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-06-12 17:53:34,267 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-06-12 17:53:34,582 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-12 17:53:35,026 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-06-12 17:53:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:53:36,536 INFO L93 Difference]: Finished difference Result 170539 states and 526669 transitions. [2021-06-12 17:53:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 17:53:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:53:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:53:36,815 INFO L225 Difference]: With dead ends: 170539 [2021-06-12 17:53:36,815 INFO L226 Difference]: Without dead ends: 170539 [2021-06-12 17:53:36,816 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 7264.6ms TimeCoverageRelationStatistics Valid=1743, Invalid=4109, Unknown=0, NotChecked=0, Total=5852 [2021-06-12 17:53:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170539 states. [2021-06-12 17:53:39,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170539 to 133633. [2021-06-12 17:53:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133633 states, 133629 states have (on average 3.0873762431807465) internal successors, (412563), 133632 states have internal predecessors, (412563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133633 states to 133633 states and 412563 transitions. [2021-06-12 17:53:40,457 INFO L78 Accepts]: Start accepts. Automaton has 133633 states and 412563 transitions. Word has length 103 [2021-06-12 17:53:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:53:40,458 INFO L482 AbstractCegarLoop]: Abstraction has 133633 states and 412563 transitions. [2021-06-12 17:53:40,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 133633 states and 412563 transitions. [2021-06-12 17:53:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:53:40,563 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:53:40,563 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:53:40,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-12 17:53:40,563 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:53:40,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:53:40,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1074472369, now seen corresponding path program 4 times [2021-06-12 17:53:40,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:53:40,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043682797] [2021-06-12 17:53:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:53:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:53:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:53:41,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:53:41,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043682797] [2021-06-12 17:53:41,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043682797] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:53:41,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:53:41,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:53:41,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817906667] [2021-06-12 17:53:41,508 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:53:41,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:53:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:53:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:53:41,508 INFO L87 Difference]: Start difference. First operand 133633 states and 412563 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:53:42,500 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2021-06-12 17:53:43,851 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-06-12 17:53:44,118 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-06-12 17:53:44,313 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-06-12 17:53:44,527 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-06-12 17:53:45,427 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-06-12 17:53:45,882 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-06-12 17:53:46,933 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-12 17:53:47,468 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:53:47,632 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-06-12 17:53:47,788 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-06-12 17:53:48,031 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-12 17:53:48,188 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-06-12 17:53:48,358 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2021-06-12 17:53:48,536 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-06-12 17:53:49,021 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-06-12 17:53:49,181 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-12 17:53:49,582 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-06-12 17:53:49,765 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:53:50,222 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-06-12 17:53:50,401 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-06-12 17:53:50,577 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-12 17:53:50,913 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-12 17:53:51,096 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-06-12 17:53:51,292 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-12 17:53:51,476 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-12 17:53:51,832 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2021-06-12 17:53:52,042 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-06-12 17:53:52,239 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-06-12 17:53:52,531 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2021-06-12 17:53:52,755 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-06-12 17:53:52,993 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-06-12 17:53:53,374 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-12 17:53:53,580 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-06-12 17:53:53,805 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-06-12 17:53:53,995 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-06-12 17:53:54,303 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-12 17:53:54,550 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-06-12 17:53:54,837 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-12 17:53:55,030 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-06-12 17:53:55,322 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-12 17:53:55,539 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-12 17:53:55,751 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-06-12 17:53:56,266 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-06-12 17:53:56,619 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 86 [2021-06-12 17:53:56,866 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-06-12 17:53:57,182 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 93 [2021-06-12 17:53:57,540 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-06-12 17:53:57,803 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-06-12 17:53:58,220 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-06-12 17:53:58,651 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-06-12 17:53:59,105 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-06-12 17:53:59,669 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 101 [2021-06-12 17:54:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:54:01,839 INFO L93 Difference]: Finished difference Result 213167 states and 658365 transitions. [2021-06-12 17:54:01,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-12 17:54:01,840 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:54:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:54:02,229 INFO L225 Difference]: With dead ends: 213167 [2021-06-12 17:54:02,229 INFO L226 Difference]: Without dead ends: 213167 [2021-06-12 17:54:02,232 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3394 ImplicationChecksByTransitivity, 14833.7ms TimeCoverageRelationStatistics Valid=4994, Invalid=13096, Unknown=0, NotChecked=0, Total=18090 [2021-06-12 17:54:03,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213167 states. [2021-06-12 17:54:06,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213167 to 133573. [2021-06-12 17:54:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133573 states, 133569 states have (on average 3.0874005195816396) internal successors, (412381), 133572 states have internal predecessors, (412381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133573 states to 133573 states and 412381 transitions. [2021-06-12 17:54:07,423 INFO L78 Accepts]: Start accepts. Automaton has 133573 states and 412381 transitions. Word has length 103 [2021-06-12 17:54:07,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:54:07,424 INFO L482 AbstractCegarLoop]: Abstraction has 133573 states and 412381 transitions. [2021-06-12 17:54:07,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 133573 states and 412381 transitions. [2021-06-12 17:54:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:54:07,526 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:54:07,526 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:54:07,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-12 17:54:07,526 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:54:07,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:54:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash 2127796927, now seen corresponding path program 5 times [2021-06-12 17:54:07,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:54:07,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537089940] [2021-06-12 17:54:07,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:54:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:54:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:54:08,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:54:08,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537089940] [2021-06-12 17:54:08,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537089940] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:54:08,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:54:08,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:54:08,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687074913] [2021-06-12 17:54:08,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:54:08,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:54:08,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:54:08,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:54:08,590 INFO L87 Difference]: Start difference. First operand 133573 states and 412381 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:09,482 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 47 [2021-06-12 17:54:10,890 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-06-12 17:54:11,027 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2021-06-12 17:54:11,279 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-06-12 17:54:11,562 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-06-12 17:54:11,737 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-06-12 17:54:11,885 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-06-12 17:54:12,089 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-06-12 17:54:12,278 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-12 17:54:13,194 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-12 17:54:13,678 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-12 17:54:14,805 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 74 [2021-06-12 17:54:15,413 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:54:15,562 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 75 [2021-06-12 17:54:16,111 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-06-12 17:54:16,288 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2021-06-12 17:54:16,474 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-12 17:54:17,177 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-12 17:54:17,335 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-06-12 17:54:17,844 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-06-12 17:54:18,027 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-06-12 17:54:18,202 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-06-12 17:54:18,772 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-06-12 17:54:18,952 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 78 [2021-06-12 17:54:19,276 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-12 17:54:19,455 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-12 17:54:19,650 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-12 17:54:19,835 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 82 [2021-06-12 17:54:20,204 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-12 17:54:20,391 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2021-06-12 17:54:20,625 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 17:54:21,015 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-12 17:54:21,219 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-12 17:54:21,449 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-12 17:54:21,837 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-06-12 17:54:22,050 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-12 17:54:22,231 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 81 [2021-06-12 17:54:22,452 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-06-12 17:54:22,704 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-12 17:54:23,228 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-12 17:54:23,458 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-06-12 17:54:23,693 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-06-12 17:54:23,940 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-06-12 17:54:24,099 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 64 [2021-06-12 17:54:24,394 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 92 [2021-06-12 17:54:24,601 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2021-06-12 17:54:24,800 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-06-12 17:54:24,996 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-06-12 17:54:25,281 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 87 [2021-06-12 17:54:25,504 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-06-12 17:54:25,777 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-06-12 17:54:26,237 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2021-06-12 17:54:26,536 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-06-12 17:54:26,711 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-12 17:54:27,004 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 89 [2021-06-12 17:54:27,229 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-06-12 17:54:27,481 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-06-12 17:54:27,721 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-06-12 17:54:27,890 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-06-12 17:54:28,058 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-06-12 17:54:28,362 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2021-06-12 17:54:28,698 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 94 [2021-06-12 17:54:28,959 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2021-06-12 17:54:29,238 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-06-12 17:54:29,427 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-06-12 17:54:29,746 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 97 [2021-06-12 17:54:30,204 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 100 [2021-06-12 17:54:30,679 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2021-06-12 17:54:31,337 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 99 [2021-06-12 17:54:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:54:33,512 INFO L93 Difference]: Finished difference Result 191946 states and 592202 transitions. [2021-06-12 17:54:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2021-06-12 17:54:33,513 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:54:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:54:33,865 INFO L225 Difference]: With dead ends: 191946 [2021-06-12 17:54:33,866 INFO L226 Difference]: Without dead ends: 191946 [2021-06-12 17:54:33,867 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6264 ImplicationChecksByTransitivity, 19054.8ms TimeCoverageRelationStatistics Valid=6613, Invalid=20119, Unknown=0, NotChecked=0, Total=26732 [2021-06-12 17:54:35,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191946 states. [2021-06-12 17:54:37,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191946 to 133963. [2021-06-12 17:54:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133963 states, 133959 states have (on average 3.0874670608171155) internal successors, (413594), 133962 states have internal predecessors, (413594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133963 states to 133963 states and 413594 transitions. [2021-06-12 17:54:38,049 INFO L78 Accepts]: Start accepts. Automaton has 133963 states and 413594 transitions. Word has length 103 [2021-06-12 17:54:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:54:38,049 INFO L482 AbstractCegarLoop]: Abstraction has 133963 states and 413594 transitions. [2021-06-12 17:54:38,049 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 133963 states and 413594 transitions. [2021-06-12 17:54:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:54:38,589 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:54:38,589 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:54:38,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-12 17:54:38,589 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:54:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:54:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 466780323, now seen corresponding path program 6 times [2021-06-12 17:54:38,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:54:38,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393833888] [2021-06-12 17:54:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:54:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:54:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:54:39,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:54:39,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393833888] [2021-06-12 17:54:39,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393833888] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:54:39,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:54:39,250 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:54:39,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983750187] [2021-06-12 17:54:39,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:54:39,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:54:39,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:54:39,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:54:39,251 INFO L87 Difference]: Start difference. First operand 133963 states and 413594 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:54:41,271 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 58 [2021-06-12 17:54:41,663 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-06-12 17:54:41,941 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-06-12 17:54:42,124 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-12 17:54:42,689 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-06-12 17:54:43,062 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-06-12 17:54:43,473 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-06-12 17:54:43,632 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-06-12 17:54:44,436 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-06-12 17:54:44,965 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-06-12 17:54:45,109 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-06-12 17:54:45,494 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-06-12 17:54:45,659 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2021-06-12 17:54:45,829 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-06-12 17:54:46,293 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2021-06-12 17:54:46,818 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-06-12 17:54:46,993 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-06-12 17:54:47,453 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-06-12 17:54:47,623 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 76 [2021-06-12 17:54:47,919 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-06-12 17:54:48,093 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-06-12 17:54:48,274 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 82 [2021-06-12 17:54:48,648 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-06-12 17:54:48,831 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2021-06-12 17:54:49,096 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-06-12 17:54:49,296 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 86 [2021-06-12 17:54:49,661 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-06-12 17:54:49,897 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-06-12 17:54:50,077 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2021-06-12 17:54:50,352 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-06-12 17:54:50,583 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-06-12 17:54:50,944 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 91 [2021-06-12 17:54:51,178 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 92 [2021-06-12 17:54:51,388 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2021-06-12 17:54:51,614 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2021-06-12 17:54:52,069 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 95 [2021-06-12 17:54:52,233 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-06-12 17:54:52,503 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 89 [2021-06-12 17:54:52,728 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 89 [2021-06-12 17:54:52,897 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-06-12 17:54:53,149 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 96 [2021-06-12 17:54:53,484 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2021-06-12 17:54:53,753 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 94 [2021-06-12 17:54:53,941 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-06-12 17:54:54,215 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 101 [2021-06-12 17:54:54,571 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 104 [2021-06-12 17:54:54,780 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-06-12 17:54:55,074 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2021-06-12 17:54:55,583 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 103 [2021-06-12 17:54:55,842 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2021-06-12 17:54:57,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:54:57,649 INFO L93 Difference]: Finished difference Result 186407 states and 574643 transitions. [2021-06-12 17:54:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-06-12 17:54:57,650 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:54:57,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:54:57,949 INFO L225 Difference]: With dead ends: 186407 [2021-06-12 17:54:57,949 INFO L226 Difference]: Without dead ends: 186407 [2021-06-12 17:54:57,950 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3638 ImplicationChecksByTransitivity, 13858.0ms TimeCoverageRelationStatistics Valid=4807, Invalid=13283, Unknown=0, NotChecked=0, Total=18090 [2021-06-12 17:54:59,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186407 states. [2021-06-12 17:55:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186407 to 135849. [2021-06-12 17:55:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135849 states, 135845 states have (on average 3.0866943943464977) internal successors, (419312), 135848 states have internal predecessors, (419312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:02,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135849 states to 135849 states and 419312 transitions. [2021-06-12 17:55:02,261 INFO L78 Accepts]: Start accepts. Automaton has 135849 states and 419312 transitions. Word has length 103 [2021-06-12 17:55:02,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:55:02,261 INFO L482 AbstractCegarLoop]: Abstraction has 135849 states and 419312 transitions. [2021-06-12 17:55:02,261 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 135849 states and 419312 transitions. [2021-06-12 17:55:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:55:02,371 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:55:02,371 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:55:02,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-12 17:55:02,371 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:55:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:55:02,371 INFO L82 PathProgramCache]: Analyzing trace with hash 447446173, now seen corresponding path program 7 times [2021-06-12 17:55:02,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:55:02,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457083116] [2021-06-12 17:55:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:55:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:55:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:55:03,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:55:03,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457083116] [2021-06-12 17:55:03,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457083116] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:55:03,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:55:03,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:55:03,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669904257] [2021-06-12 17:55:03,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:55:03,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:55:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:55:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:55:03,278 INFO L87 Difference]: Start difference. First operand 135849 states and 419312 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:04,482 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-06-12 17:55:04,864 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-12 17:55:05,034 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-12 17:55:05,372 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-12 17:55:05,623 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-12 17:55:06,843 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-12 17:55:06,994 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-12 17:55:07,554 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-06-12 17:55:07,956 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-12 17:55:08,102 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-12 17:55:08,245 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2021-06-12 17:55:08,661 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-12 17:55:08,812 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-12 17:55:08,963 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-12 17:55:09,426 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-12 17:55:09,572 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-12 17:55:09,760 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-12 17:55:09,931 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-12 17:55:10,616 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-12 17:55:10,797 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-12 17:55:11,335 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 70 [2021-06-12 17:55:11,524 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-12 17:55:11,683 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-12 17:55:12,132 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-06-12 17:55:12,302 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-06-12 17:55:12,484 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-12 17:55:12,827 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2021-06-12 17:55:13,016 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-06-12 17:55:13,223 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-12 17:55:13,412 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-12 17:55:13,557 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-12 17:55:13,797 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 74 [2021-06-12 17:55:13,995 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2021-06-12 17:55:14,193 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-12 17:55:14,625 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 78 [2021-06-12 17:55:14,840 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-06-12 17:55:15,049 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-12 17:55:15,208 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-12 17:55:15,471 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-06-12 17:55:15,700 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 80 [2021-06-12 17:55:15,894 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-06-12 17:55:16,114 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-12 17:55:16,304 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-12 17:55:16,572 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-06-12 17:55:16,818 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2021-06-12 17:55:17,094 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-06-12 17:55:17,339 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-06-12 17:55:17,559 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2021-06-12 17:55:17,771 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-06-12 17:55:17,981 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-12 17:55:18,152 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-12 17:55:18,582 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2021-06-12 17:55:18,918 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-06-12 17:55:19,159 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-06-12 17:55:19,482 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 89 [2021-06-12 17:55:19,839 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 93 [2021-06-12 17:55:20,107 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 87 [2021-06-12 17:55:20,490 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 95 [2021-06-12 17:55:21,009 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 98 [2021-06-12 17:55:21,454 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-06-12 17:55:22,047 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 97 [2021-06-12 17:55:24,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:55:24,091 INFO L93 Difference]: Finished difference Result 244775 states and 755981 transitions. [2021-06-12 17:55:24,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-06-12 17:55:24,091 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:55:24,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:55:24,865 INFO L225 Difference]: With dead ends: 244775 [2021-06-12 17:55:24,865 INFO L226 Difference]: Without dead ends: 244775 [2021-06-12 17:55:24,869 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4042 ImplicationChecksByTransitivity, 16078.3ms TimeCoverageRelationStatistics Valid=4926, Invalid=13706, Unknown=0, NotChecked=0, Total=18632 [2021-06-12 17:55:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244775 states. [2021-06-12 17:55:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244775 to 135909. [2021-06-12 17:55:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135909 states, 135905 states have (on average 3.086670836245907) internal successors, (419494), 135908 states have internal predecessors, (419494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135909 states to 135909 states and 419494 transitions. [2021-06-12 17:55:29,516 INFO L78 Accepts]: Start accepts. Automaton has 135909 states and 419494 transitions. Word has length 103 [2021-06-12 17:55:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:55:29,516 INFO L482 AbstractCegarLoop]: Abstraction has 135909 states and 419494 transitions. [2021-06-12 17:55:29,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 135909 states and 419494 transitions. [2021-06-12 17:55:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:55:29,673 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:55:29,674 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:55:29,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-12 17:55:29,674 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:55:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:55:29,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1660999203, now seen corresponding path program 8 times [2021-06-12 17:55:29,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:55:29,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144272855] [2021-06-12 17:55:29,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:55:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:55:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:55:30,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:55:30,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144272855] [2021-06-12 17:55:30,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144272855] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:55:30,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:55:30,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:55:30,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897231705] [2021-06-12 17:55:30,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:55:30,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:55:30,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:55:30,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:55:30,562 INFO L87 Difference]: Start difference. First operand 135909 states and 419494 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:32,241 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-06-12 17:55:32,582 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-12 17:55:32,773 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-06-12 17:55:32,968 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-06-12 17:55:33,286 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-06-12 17:55:33,506 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-12 17:55:33,715 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-06-12 17:55:34,599 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 82 [2021-06-12 17:55:35,048 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-06-12 17:55:35,203 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-06-12 17:55:35,722 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-06-12 17:55:36,124 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-06-12 17:55:36,265 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-12 17:55:36,782 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-12 17:55:36,930 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-06-12 17:55:37,078 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-12 17:55:37,527 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2021-06-12 17:55:37,711 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-06-12 17:55:37,879 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-12 17:55:38,558 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-12 17:55:38,718 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-06-12 17:55:38,880 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2021-06-12 17:55:39,267 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-12 17:55:39,451 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-06-12 17:55:39,608 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-06-12 17:55:40,036 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2021-06-12 17:55:40,235 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2021-06-12 17:55:40,575 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-06-12 17:55:40,759 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-12 17:55:40,949 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-06-12 17:55:41,099 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2021-06-12 17:55:41,368 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-06-12 17:55:41,561 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-06-12 17:55:41,957 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2021-06-12 17:55:42,164 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-06-12 17:55:42,328 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-06-12 17:55:42,612 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:55:42,832 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-06-12 17:55:43,025 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2021-06-12 17:55:43,182 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-06-12 17:55:43,326 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-12 17:55:43,617 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-06-12 17:55:43,853 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 87 [2021-06-12 17:55:44,035 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-06-12 17:55:44,283 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 94 [2021-06-12 17:55:44,521 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-06-12 17:55:44,762 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-06-12 17:55:44,963 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-06-12 17:55:45,132 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2021-06-12 17:55:45,280 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-06-12 17:55:45,430 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-12 17:55:45,756 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 92 [2021-06-12 17:55:45,984 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-12 17:55:46,270 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-06-12 17:55:46,501 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 86 [2021-06-12 17:55:46,695 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-12 17:55:46,849 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-06-12 17:55:47,173 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-06-12 17:55:47,510 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 97 [2021-06-12 17:55:47,766 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-06-12 17:55:47,980 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-12 17:55:48,329 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 99 [2021-06-12 17:55:48,560 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-12 17:55:48,924 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 102 [2021-06-12 17:55:49,166 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 88 [2021-06-12 17:55:49,570 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 96 [2021-06-12 17:55:49,786 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-06-12 17:55:50,284 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2021-06-12 17:55:50,512 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-06-12 17:55:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:55:52,279 INFO L93 Difference]: Finished difference Result 224315 states and 691399 transitions. [2021-06-12 17:55:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2021-06-12 17:55:52,279 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:55:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:55:52,951 INFO L225 Difference]: With dead ends: 224315 [2021-06-12 17:55:52,951 INFO L226 Difference]: Without dead ends: 224315 [2021-06-12 17:55:52,952 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4756 ImplicationChecksByTransitivity, 16850.7ms TimeCoverageRelationStatistics Valid=5158, Invalid=15434, Unknown=0, NotChecked=0, Total=20592 [2021-06-12 17:55:54,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224315 states. [2021-06-12 17:55:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224315 to 140798. [2021-06-12 17:55:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140798 states, 140794 states have (on average 3.0888745259030923) internal successors, (434895), 140797 states have internal predecessors, (434895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140798 states to 140798 states and 434895 transitions. [2021-06-12 17:55:56,973 INFO L78 Accepts]: Start accepts. Automaton has 140798 states and 434895 transitions. Word has length 103 [2021-06-12 17:55:56,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:55:56,973 INFO L482 AbstractCegarLoop]: Abstraction has 140798 states and 434895 transitions. [2021-06-12 17:55:56,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 140798 states and 434895 transitions. [2021-06-12 17:55:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-12 17:55:57,096 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:55:57,096 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:55:57,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-12 17:55:57,096 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:55:57,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:55:57,096 INFO L82 PathProgramCache]: Analyzing trace with hash 192852461, now seen corresponding path program 9 times [2021-06-12 17:55:57,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:55:57,096 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325807388] [2021-06-12 17:55:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:55:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:55:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:55:58,298 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:55:58,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325807388] [2021-06-12 17:55:58,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325807388] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:55:58,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:55:58,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-06-12 17:55:58,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436447280] [2021-06-12 17:55:58,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-12 17:55:58,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:55:58,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-12 17:55:58,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2021-06-12 17:55:58,299 INFO L87 Difference]: Start difference. First operand 140798 states and 434895 transitions. Second operand has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:55:59,179 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2021-06-12 17:55:59,522 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-12 17:55:59,802 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-12 17:56:00,019 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2021-06-12 17:56:00,697 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-06-12 17:56:01,173 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-06-12 17:56:01,309 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-12 17:56:01,824 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-06-12 17:56:02,153 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-12 17:56:02,300 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-12 17:56:02,435 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-06-12 17:56:02,659 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-12 17:56:02,815 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-06-12 17:56:02,992 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-06-12 17:56:03,186 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-06-12 17:56:03,362 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-12 17:56:03,543 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 78 [2021-06-12 17:56:03,682 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-12 17:56:03,924 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 82 [2021-06-12 17:56:04,100 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-06-12 17:56:04,319 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-06-12 17:56:04,495 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-06-12 17:56:04,653 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-12 17:56:04,855 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-06-12 17:56:05,036 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-06-12 17:56:05,270 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-06-12 17:56:05,452 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-06-12 17:56:05,642 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:56:05,883 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 79 [2021-06-12 17:56:06,083 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-12 17:56:06,340 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2021-06-12 17:56:06,575 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-06-12 17:56:06,833 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-06-12 17:56:07,057 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 87 [2021-06-12 17:56:07,245 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 17:56:07,519 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-06-12 17:56:07,762 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 90 [2021-06-12 17:56:08,034 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 90 [2021-06-12 17:56:08,277 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2021-06-12 17:56:08,491 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-06-12 17:56:08,695 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:56:09,040 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-06-12 17:56:09,338 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-06-12 17:56:09,602 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-06-12 17:56:09,896 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 94 [2021-06-12 17:56:10,220 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 98 [2021-06-12 17:56:10,476 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 92 [2021-06-12 17:56:10,816 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 102 [2021-06-12 17:56:11,238 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 105 [2021-06-12 17:56:11,633 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-06-12 17:56:12,135 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 102 [2021-06-12 17:56:13,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:56:13,906 INFO L93 Difference]: Finished difference Result 189642 states and 584908 transitions. [2021-06-12 17:56:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-12 17:56:13,906 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-12 17:56:13,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:56:14,203 INFO L225 Difference]: With dead ends: 189642 [2021-06-12 17:56:14,204 INFO L226 Difference]: Without dead ends: 189642 [2021-06-12 17:56:14,204 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 11817.3ms TimeCoverageRelationStatistics Valid=3218, Invalid=7702, Unknown=0, NotChecked=0, Total=10920 [2021-06-12 17:56:15,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189642 states. [2021-06-12 17:56:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189642 to 126548. [2021-06-12 17:56:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126548 states, 126544 states have (on average 3.0844607409280567) internal successors, (390320), 126547 states have internal predecessors, (390320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126548 states to 126548 states and 390320 transitions. [2021-06-12 17:56:18,513 INFO L78 Accepts]: Start accepts. Automaton has 126548 states and 390320 transitions. Word has length 103 [2021-06-12 17:56:18,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:56:18,513 INFO L482 AbstractCegarLoop]: Abstraction has 126548 states and 390320 transitions. [2021-06-12 17:56:18,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.433333333333333) internal successors, (103), 30 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 126548 states and 390320 transitions. [2021-06-12 17:56:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:56:18,665 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:56:18,665 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:56:18,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-12 17:56:18,665 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:56:18,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:56:18,665 INFO L82 PathProgramCache]: Analyzing trace with hash -787252808, now seen corresponding path program 1 times [2021-06-12 17:56:18,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:56:18,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782077388] [2021-06-12 17:56:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:56:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:56:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:56:20,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:56:20,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782077388] [2021-06-12 17:56:20,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782077388] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:56:20,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:56:20,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:56:20,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260946061] [2021-06-12 17:56:20,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:56:20,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:56:20,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:56:20,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:56:20,261 INFO L87 Difference]: Start difference. First operand 126548 states and 390320 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:21,444 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-12 17:56:21,725 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:56:21,921 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-12 17:56:22,193 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-12 17:56:22,445 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-12 17:56:22,714 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-12 17:56:23,256 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-12 17:56:23,544 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-12 17:56:23,810 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 17:56:29,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:56:29,593 INFO L93 Difference]: Finished difference Result 295673 states and 913948 transitions. [2021-06-12 17:56:29,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:56:29,594 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:56:29,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:56:30,215 INFO L225 Difference]: With dead ends: 295673 [2021-06-12 17:56:30,216 INFO L226 Difference]: Without dead ends: 295673 [2021-06-12 17:56:30,216 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 5244.3ms TimeCoverageRelationStatistics Valid=1182, Invalid=5624, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:56:32,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295673 states. [2021-06-12 17:56:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295673 to 175133. [2021-06-12 17:56:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175133 states, 175129 states have (on average 3.0824763460078) internal successors, (539831), 175132 states have internal predecessors, (539831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175133 states to 175133 states and 539831 transitions. [2021-06-12 17:56:36,641 INFO L78 Accepts]: Start accepts. Automaton has 175133 states and 539831 transitions. Word has length 106 [2021-06-12 17:56:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:56:36,641 INFO L482 AbstractCegarLoop]: Abstraction has 175133 states and 539831 transitions. [2021-06-12 17:56:36,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 175133 states and 539831 transitions. [2021-06-12 17:56:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:56:36,881 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:56:36,881 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:56:36,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-12 17:56:36,881 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:56:36,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:56:36,881 INFO L82 PathProgramCache]: Analyzing trace with hash -370494472, now seen corresponding path program 2 times [2021-06-12 17:56:36,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:56:36,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466185405] [2021-06-12 17:56:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:56:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:56:37,892 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-06-12 17:56:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:56:38,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:56:38,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466185405] [2021-06-12 17:56:38,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466185405] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:56:38,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:56:38,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:56:38,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049418667] [2021-06-12 17:56:38,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:56:38,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:56:38,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:56:38,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:56:38,535 INFO L87 Difference]: Start difference. First operand 175133 states and 539831 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:39,591 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2021-06-12 17:56:40,138 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-12 17:56:40,377 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-12 17:56:40,591 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-12 17:56:40,824 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-12 17:56:41,345 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-12 17:56:41,609 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-12 17:56:41,850 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-12 17:56:42,080 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-12 17:56:42,347 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 17:56:46,032 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2021-06-12 17:56:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:56:49,194 INFO L93 Difference]: Finished difference Result 351188 states and 1083898 transitions. [2021-06-12 17:56:49,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 17:56:49,195 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:56:49,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:56:49,919 INFO L225 Difference]: With dead ends: 351188 [2021-06-12 17:56:49,919 INFO L226 Difference]: Without dead ends: 351188 [2021-06-12 17:56:49,920 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 6008.0ms TimeCoverageRelationStatistics Valid=1256, Invalid=5884, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 17:56:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351188 states. [2021-06-12 17:56:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351188 to 178868. [2021-06-12 17:56:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178868 states, 178864 states have (on average 3.0818219429287055) internal successors, (551227), 178867 states have internal predecessors, (551227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178868 states to 178868 states and 551227 transitions. [2021-06-12 17:56:56,126 INFO L78 Accepts]: Start accepts. Automaton has 178868 states and 551227 transitions. Word has length 106 [2021-06-12 17:56:56,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:56:56,126 INFO L482 AbstractCegarLoop]: Abstraction has 178868 states and 551227 transitions. [2021-06-12 17:56:56,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 178868 states and 551227 transitions. [2021-06-12 17:56:56,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:56:56,286 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:56:56,286 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:56:56,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-12 17:56:56,286 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:56:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:56:56,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1114331774, now seen corresponding path program 3 times [2021-06-12 17:56:56,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:56:56,286 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859620430] [2021-06-12 17:56:56,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:56:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:56:57,126 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2021-06-12 17:56:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:56:57,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:56:57,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859620430] [2021-06-12 17:56:57,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859620430] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:56:57,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:56:57,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:56:57,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769264176] [2021-06-12 17:56:57,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:56:57,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:56:57,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:56:57,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:56:57,788 INFO L87 Difference]: Start difference. First operand 178868 states and 551227 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:56:58,514 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-12 17:56:59,187 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:56:59,430 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:56:59,652 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-12 17:56:59,900 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-12 17:57:00,396 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:57:00,688 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-12 17:57:00,971 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-12 17:57:01,250 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-12 17:57:03,671 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-12 17:57:07,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:57:07,530 INFO L93 Difference]: Finished difference Result 336839 states and 1040195 transitions. [2021-06-12 17:57:07,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:57:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:57:07,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:57:08,270 INFO L225 Difference]: With dead ends: 336839 [2021-06-12 17:57:08,270 INFO L226 Difference]: Without dead ends: 336839 [2021-06-12 17:57:08,271 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 5583.5ms TimeCoverageRelationStatistics Valid=1178, Invalid=5628, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:57:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336839 states. [2021-06-12 17:57:13,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336839 to 179708. [2021-06-12 17:57:13,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179708 states, 179704 states have (on average 3.081595290032498) internal successors, (553775), 179707 states have internal predecessors, (553775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179708 states to 179708 states and 553775 transitions. [2021-06-12 17:57:14,453 INFO L78 Accepts]: Start accepts. Automaton has 179708 states and 553775 transitions. Word has length 106 [2021-06-12 17:57:14,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:57:14,454 INFO L482 AbstractCegarLoop]: Abstraction has 179708 states and 553775 transitions. [2021-06-12 17:57:14,454 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 179708 states and 553775 transitions. [2021-06-12 17:57:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:57:14,811 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:57:14,811 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:57:14,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-12 17:57:14,811 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:57:14,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:57:14,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1154470286, now seen corresponding path program 4 times [2021-06-12 17:57:14,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:57:14,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129215755] [2021-06-12 17:57:14,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:57:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:57:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:57:16,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:57:16,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129215755] [2021-06-12 17:57:16,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129215755] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:57:16,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:57:16,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:57:16,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700230026] [2021-06-12 17:57:16,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:57:16,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:57:16,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:57:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:57:16,179 INFO L87 Difference]: Start difference. First operand 179708 states and 553775 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:17,633 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-12 17:57:18,036 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:57:18,336 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:57:18,609 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-12 17:57:18,897 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-12 17:57:19,093 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-12 17:57:19,362 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 17:57:19,991 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-12 17:57:20,288 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:57:20,559 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:57:26,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:57:26,637 INFO L93 Difference]: Finished difference Result 341339 states and 1054595 transitions. [2021-06-12 17:57:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-12 17:57:26,637 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:57:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:57:27,535 INFO L225 Difference]: With dead ends: 341339 [2021-06-12 17:57:27,535 INFO L226 Difference]: Without dead ends: 341339 [2021-06-12 17:57:27,535 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 5821.5ms TimeCoverageRelationStatistics Valid=1223, Invalid=5749, Unknown=0, NotChecked=0, Total=6972 [2021-06-12 17:57:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341339 states. [2021-06-12 17:57:32,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341339 to 185708. [2021-06-12 17:57:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185708 states, 185704 states have (on average 3.0840746564425108) internal successors, (572725), 185707 states have internal predecessors, (572725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185708 states to 185708 states and 572725 transitions. [2021-06-12 17:57:33,828 INFO L78 Accepts]: Start accepts. Automaton has 185708 states and 572725 transitions. Word has length 106 [2021-06-12 17:57:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:57:33,829 INFO L482 AbstractCegarLoop]: Abstraction has 185708 states and 572725 transitions. [2021-06-12 17:57:33,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 185708 states and 572725 transitions. [2021-06-12 17:57:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:57:34,046 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:57:34,046 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:57:34,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-12 17:57:34,046 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:57:34,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:57:34,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1612932704, now seen corresponding path program 5 times [2021-06-12 17:57:34,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:57:34,047 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406295420] [2021-06-12 17:57:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:57:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:57:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:57:35,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:57:35,377 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406295420] [2021-06-12 17:57:35,377 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406295420] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:57:35,377 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:57:35,377 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:57:35,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827228415] [2021-06-12 17:57:35,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:57:35,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:57:35,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:57:35,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:57:35,378 INFO L87 Difference]: Start difference. First operand 185708 states and 572725 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:36,776 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:57:37,013 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:57:37,240 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-12 17:57:37,484 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-12 17:57:37,745 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-06-12 17:57:38,278 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-12 17:57:38,562 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:57:38,818 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:57:44,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:57:44,701 INFO L93 Difference]: Finished difference Result 348089 states and 1075820 transitions. [2021-06-12 17:57:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:57:44,701 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:57:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:57:45,694 INFO L225 Difference]: With dead ends: 348089 [2021-06-12 17:57:45,695 INFO L226 Difference]: Without dead ends: 348089 [2021-06-12 17:57:45,695 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 5120.7ms TimeCoverageRelationStatistics Valid=1182, Invalid=5624, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:57:47,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348089 states. [2021-06-12 17:57:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348089 to 186458. [2021-06-12 17:57:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186458 states, 186454 states have (on average 3.0838705525223378) internal successors, (575000), 186457 states have internal predecessors, (575000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186458 states to 186458 states and 575000 transitions. [2021-06-12 17:57:51,811 INFO L78 Accepts]: Start accepts. Automaton has 186458 states and 575000 transitions. Word has length 106 [2021-06-12 17:57:51,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:57:51,811 INFO L482 AbstractCegarLoop]: Abstraction has 186458 states and 575000 transitions. [2021-06-12 17:57:51,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 186458 states and 575000 transitions. [2021-06-12 17:57:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:57:52,575 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:57:52,575 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:57:52,575 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-12 17:57:52,575 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:57:52,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:57:52,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1708088568, now seen corresponding path program 6 times [2021-06-12 17:57:52,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:57:52,577 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523404151] [2021-06-12 17:57:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:57:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:57:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:57:53,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:57:53,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523404151] [2021-06-12 17:57:53,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523404151] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:57:53,975 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:57:53,975 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:57:53,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59213924] [2021-06-12 17:57:53,975 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:57:53,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:57:53,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:57:53,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:57:53,976 INFO L87 Difference]: Start difference. First operand 186458 states and 575000 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:57:55,200 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2021-06-12 17:57:55,389 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2021-06-12 17:57:55,587 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 61 [2021-06-12 17:57:55,991 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-06-12 17:57:56,359 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-06-12 17:57:56,678 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-06-12 17:57:56,991 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-06-12 17:57:57,587 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-06-12 17:57:57,879 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-06-12 17:57:58,150 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-06-12 17:58:04,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:58:04,208 INFO L93 Difference]: Finished difference Result 341339 states and 1054595 transitions. [2021-06-12 17:58:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:58:04,208 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:58:04,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:58:04,869 INFO L225 Difference]: With dead ends: 341339 [2021-06-12 17:58:04,869 INFO L226 Difference]: Without dead ends: 341339 [2021-06-12 17:58:04,873 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 5767.6ms TimeCoverageRelationStatistics Valid=1182, Invalid=5624, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:58:06,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341339 states. [2021-06-12 17:58:09,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341339 to 190958. [2021-06-12 17:58:10,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190958 states, 190954 states have (on average 3.0826795982278457) internal successors, (588650), 190957 states have internal predecessors, (588650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190958 states to 190958 states and 588650 transitions. [2021-06-12 17:58:11,140 INFO L78 Accepts]: Start accepts. Automaton has 190958 states and 588650 transitions. Word has length 106 [2021-06-12 17:58:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:58:11,140 INFO L482 AbstractCegarLoop]: Abstraction has 190958 states and 588650 transitions. [2021-06-12 17:58:11,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 190958 states and 588650 transitions. [2021-06-12 17:58:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:58:11,330 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:58:11,330 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:58:11,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-12 17:58:11,330 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:58:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:58:11,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1012862058, now seen corresponding path program 7 times [2021-06-12 17:58:11,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:58:11,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028922471] [2021-06-12 17:58:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:58:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:58:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:58:12,861 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:58:12,861 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028922471] [2021-06-12 17:58:12,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028922471] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:58:12,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:58:12,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:58:12,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505439331] [2021-06-12 17:58:12,862 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:58:12,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:58:12,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:58:12,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:58:12,863 INFO L87 Difference]: Start difference. First operand 190958 states and 588650 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:14,102 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 17:58:14,282 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:58:14,481 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-12 17:58:14,767 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-06-12 17:58:15,026 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-12 17:58:15,291 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-06-12 17:58:15,861 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 80 [2021-06-12 17:58:16,152 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-06-12 17:58:16,424 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 17:58:18,427 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-12 17:58:19,642 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-06-12 17:58:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:58:22,540 INFO L93 Difference]: Finished difference Result 340547 states and 1052153 transitions. [2021-06-12 17:58:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:58:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:58:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:58:23,180 INFO L225 Difference]: With dead ends: 340547 [2021-06-12 17:58:23,180 INFO L226 Difference]: Without dead ends: 340547 [2021-06-12 17:58:23,181 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 5237.1ms TimeCoverageRelationStatistics Valid=1182, Invalid=5624, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:58:25,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340547 states. [2021-06-12 17:58:28,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340547 to 191018. [2021-06-12 17:58:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191018 states, 191014 states have (on average 3.0826640979195243) internal successors, (588832), 191017 states have internal predecessors, (588832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191018 states to 191018 states and 588832 transitions. [2021-06-12 17:58:30,153 INFO L78 Accepts]: Start accepts. Automaton has 191018 states and 588832 transitions. Word has length 106 [2021-06-12 17:58:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:58:30,153 INFO L482 AbstractCegarLoop]: Abstraction has 191018 states and 588832 transitions. [2021-06-12 17:58:30,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 191018 states and 588832 transitions. [2021-06-12 17:58:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:58:30,436 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:58:30,436 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:58:30,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-12 17:58:30,437 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:58:30,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:58:30,437 INFO L82 PathProgramCache]: Analyzing trace with hash -596103722, now seen corresponding path program 8 times [2021-06-12 17:58:30,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:58:30,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672756585] [2021-06-12 17:58:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:58:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:58:31,179 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-06-12 17:58:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:58:31,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:58:31,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672756585] [2021-06-12 17:58:31,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672756585] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:58:31,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:58:31,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:58:31,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648788644] [2021-06-12 17:58:31,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:58:31,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:58:31,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:58:31,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:58:31,910 INFO L87 Difference]: Start difference. First operand 191018 states and 588832 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:33,502 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2021-06-12 17:58:33,711 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-06-12 17:58:34,015 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-12 17:58:34,277 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-12 17:58:34,592 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-12 17:58:35,221 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-12 17:58:35,490 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-12 17:58:35,732 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-12 17:58:35,946 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-12 17:58:36,221 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 17:58:38,642 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2021-06-12 17:58:39,824 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-06-12 17:58:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:58:43,080 INFO L93 Difference]: Finished difference Result 379784 states and 1171704 transitions. [2021-06-12 17:58:43,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 17:58:43,085 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:58:43,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:58:44,148 INFO L225 Difference]: With dead ends: 379784 [2021-06-12 17:58:44,148 INFO L226 Difference]: Without dead ends: 379784 [2021-06-12 17:58:44,148 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 6199.5ms TimeCoverageRelationStatistics Valid=1256, Invalid=5884, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 17:58:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379784 states. [2021-06-12 17:58:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379784 to 191318. [2021-06-12 17:58:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-12 17:58:50,843 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-12 17:58:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:58:50,843 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-12 17:58:50,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-12 17:58:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:58:51,018 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:58:51,018 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:58:51,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-12 17:58:51,018 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:58:51,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:58:51,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1339941024, now seen corresponding path program 9 times [2021-06-12 17:58:51,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:58:51,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506986302] [2021-06-12 17:58:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:58:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:58:51,873 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 22 [2021-06-12 17:58:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:58:52,401 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:58:52,401 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506986302] [2021-06-12 17:58:52,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506986302] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:58:52,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:58:52,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:58:52,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638593445] [2021-06-12 17:58:52,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:58:52,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:58:52,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:58:52,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:58:52,403 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:58:53,626 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 17:58:53,804 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:58:54,058 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:58:54,280 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-12 17:58:54,532 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-12 17:58:55,052 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:58:55,346 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-06-12 17:58:55,630 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-06-12 17:58:55,913 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-06-12 17:58:58,319 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-12 17:59:02,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:59:02,225 INFO L93 Difference]: Finished difference Result 349799 states and 1080257 transitions. [2021-06-12 17:59:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:59:02,225 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:59:02,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:59:02,936 INFO L225 Difference]: With dead ends: 349799 [2021-06-12 17:59:02,936 INFO L226 Difference]: Without dead ends: 349799 [2021-06-12 17:59:02,937 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 5480.3ms TimeCoverageRelationStatistics Valid=1178, Invalid=5628, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:59:04,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349799 states. [2021-06-12 17:59:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349799 to 191288. [2021-06-12 17:59:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191288 states, 191284 states have (on average 3.082751301729366) internal successors, (589681), 191287 states have internal predecessors, (589681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:10,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191288 states to 191288 states and 589681 transitions. [2021-06-12 17:59:10,949 INFO L78 Accepts]: Start accepts. Automaton has 191288 states and 589681 transitions. Word has length 106 [2021-06-12 17:59:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:59:10,950 INFO L482 AbstractCegarLoop]: Abstraction has 191288 states and 589681 transitions. [2021-06-12 17:59:10,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 191288 states and 589681 transitions. [2021-06-12 17:59:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:59:11,154 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:59:11,154 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:59:11,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-12 17:59:11,154 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:59:11,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:59:11,155 INFO L82 PathProgramCache]: Analyzing trace with hash 928861036, now seen corresponding path program 10 times [2021-06-12 17:59:11,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:59:11,156 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315183082] [2021-06-12 17:59:11,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:59:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:59:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:59:12,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:59:12,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315183082] [2021-06-12 17:59:12,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315183082] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:59:12,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:59:12,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:59:12,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763076754] [2021-06-12 17:59:12,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:59:12,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:59:12,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:59:12,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:59:12,483 INFO L87 Difference]: Start difference. First operand 191288 states and 589681 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:13,717 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 17:59:13,896 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:59:14,153 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:59:14,377 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-12 17:59:14,632 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-06-12 17:59:14,856 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-12 17:59:15,128 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 17:59:15,758 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-12 17:59:16,063 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:59:16,337 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:59:18,444 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-06-12 17:59:19,685 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-12 17:59:22,380 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-06-12 17:59:22,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:59:22,740 INFO L93 Difference]: Finished difference Result 349619 states and 1080461 transitions. [2021-06-12 17:59:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-12 17:59:22,740 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:59:22,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:59:23,453 INFO L225 Difference]: With dead ends: 349619 [2021-06-12 17:59:23,454 INFO L226 Difference]: Without dead ends: 349619 [2021-06-12 17:59:23,454 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 5770.4ms TimeCoverageRelationStatistics Valid=1223, Invalid=5749, Unknown=0, NotChecked=0, Total=6972 [2021-06-12 17:59:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349619 states. [2021-06-12 17:59:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349619 to 191048. [2021-06-12 17:59:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191048 states, 191044 states have (on average 3.0826563514164276) internal successors, (588923), 191047 states have internal predecessors, (588923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191048 states to 191048 states and 588923 transitions. [2021-06-12 17:59:29,780 INFO L78 Accepts]: Start accepts. Automaton has 191048 states and 588923 transitions. Word has length 106 [2021-06-12 17:59:29,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:59:29,780 INFO L482 AbstractCegarLoop]: Abstraction has 191048 states and 588923 transitions. [2021-06-12 17:59:29,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 191048 states and 588923 transitions. [2021-06-12 17:59:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:59:29,969 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:59:29,969 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:59:29,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-12 17:59:29,969 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:59:29,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:59:29,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1838541954, now seen corresponding path program 11 times [2021-06-12 17:59:29,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:59:29,969 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901093533] [2021-06-12 17:59:29,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:59:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:59:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:59:31,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:59:31,470 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901093533] [2021-06-12 17:59:31,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901093533] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:59:31,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:59:31,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 17:59:31,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968971252] [2021-06-12 17:59:31,470 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 17:59:31,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:59:31,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 17:59:31,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 17:59:31,471 INFO L87 Difference]: Start difference. First operand 191048 states and 588923 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:32,693 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 17:59:32,869 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 17:59:33,124 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-06-12 17:59:33,352 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-06-12 17:59:33,601 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-06-12 17:59:33,869 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-06-12 17:59:34,451 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-06-12 17:59:34,737 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 17:59:34,999 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-06-12 17:59:41,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 17:59:41,056 INFO L93 Difference]: Finished difference Result 348869 states and 1078186 transitions. [2021-06-12 17:59:41,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 17:59:41,057 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 17:59:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 17:59:41,802 INFO L225 Difference]: With dead ends: 348869 [2021-06-12 17:59:41,802 INFO L226 Difference]: Without dead ends: 348869 [2021-06-12 17:59:41,803 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 4908.6ms TimeCoverageRelationStatistics Valid=1182, Invalid=5624, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 17:59:43,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348869 states. [2021-06-12 17:59:47,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348869 to 190958. [2021-06-12 17:59:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190958 states, 190954 states have (on average 3.0826795982278457) internal successors, (588650), 190957 states have internal predecessors, (588650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190958 states to 190958 states and 588650 transitions. [2021-06-12 17:59:49,737 INFO L78 Accepts]: Start accepts. Automaton has 190958 states and 588650 transitions. Word has length 106 [2021-06-12 17:59:49,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 17:59:49,737 INFO L482 AbstractCegarLoop]: Abstraction has 190958 states and 588650 transitions. [2021-06-12 17:59:49,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:49,737 INFO L276 IsEmpty]: Start isEmpty. Operand 190958 states and 588650 transitions. [2021-06-12 17:59:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 17:59:49,997 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 17:59:49,997 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 17:59:49,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-12 17:59:49,997 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 17:59:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 17:59:49,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1605085338, now seen corresponding path program 12 times [2021-06-12 17:59:49,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 17:59:49,999 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360808419] [2021-06-12 17:59:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 17:59:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 17:59:50,576 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-06-12 17:59:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 17:59:51,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 17:59:51,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360808419] [2021-06-12 17:59:51,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360808419] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 17:59:51,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 17:59:51,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-12 17:59:51,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051490218] [2021-06-12 17:59:51,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-12 17:59:51,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 17:59:51,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-12 17:59:51,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-12 17:59:51,271 INFO L87 Difference]: Start difference. First operand 190958 states and 588650 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 17:59:52,677 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-12 17:59:52,856 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-12 17:59:53,046 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-06-12 17:59:53,205 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2021-06-12 17:59:53,447 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-06-12 17:59:53,949 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2021-06-12 17:59:54,207 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-12 17:59:54,436 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-06-12 17:59:54,652 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-12 17:59:54,909 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-06-12 17:59:57,432 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 77 [2021-06-12 17:59:58,772 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-12 18:00:01,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:00:01,529 INFO L93 Difference]: Finished difference Result 342926 states and 1058099 transitions. [2021-06-12 18:00:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-12 18:00:01,529 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:00:01,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:00:02,301 INFO L225 Difference]: With dead ends: 342926 [2021-06-12 18:00:02,301 INFO L226 Difference]: Without dead ends: 342926 [2021-06-12 18:00:02,301 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 5661.2ms TimeCoverageRelationStatistics Valid=1279, Invalid=5861, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 18:00:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342926 states. [2021-06-12 18:00:07,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342926 to 191318. [2021-06-12 18:00:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-12 18:00:09,121 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-12 18:00:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:00:09,121 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-12 18:00:09,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-12 18:00:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:00:09,311 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:00:09,311 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:00:09,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-12 18:00:09,311 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:00:09,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:00:09,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1946044656, now seen corresponding path program 13 times [2021-06-12 18:00:09,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:00:09,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715941913] [2021-06-12 18:00:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:00:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:00:10,196 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2021-06-12 18:00:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:00:10,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:00:10,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715941913] [2021-06-12 18:00:10,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715941913] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:00:10,655 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:00:10,655 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 18:00:10,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329092997] [2021-06-12 18:00:10,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 18:00:10,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:00:10,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 18:00:10,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 18:00:10,656 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:11,900 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 18:00:12,132 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-12 18:00:12,343 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-12 18:00:12,565 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-12 18:00:12,754 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-12 18:00:13,014 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-12 18:00:13,572 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-12 18:00:13,884 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-06-12 18:00:14,201 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-12 18:00:14,487 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-06-12 18:00:16,872 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-06-12 18:00:18,062 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-06-12 18:00:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:00:20,643 INFO L93 Difference]: Finished difference Result 329027 states and 1015679 transitions. [2021-06-12 18:00:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-12 18:00:20,643 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:00:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:00:21,365 INFO L225 Difference]: With dead ends: 329027 [2021-06-12 18:00:21,366 INFO L226 Difference]: Without dead ends: 329027 [2021-06-12 18:00:21,366 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 5712.0ms TimeCoverageRelationStatistics Valid=1217, Invalid=5755, Unknown=0, NotChecked=0, Total=6972 [2021-06-12 18:00:23,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329027 states. [2021-06-12 18:00:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329027 to 191318. [2021-06-12 18:00:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-12 18:00:28,402 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-12 18:00:28,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:00:28,402 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-12 18:00:28,402 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-12 18:00:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:00:29,168 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:00:29,168 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:00:29,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-12 18:00:29,168 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:00:29,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:00:29,169 INFO L82 PathProgramCache]: Analyzing trace with hash -80120580, now seen corresponding path program 14 times [2021-06-12 18:00:29,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:00:29,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838684447] [2021-06-12 18:00:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:00:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:00:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:00:30,506 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:00:30,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838684447] [2021-06-12 18:00:30,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838684447] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:00:30,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:00:30,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 18:00:30,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571759449] [2021-06-12 18:00:30,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 18:00:30,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:00:30,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 18:00:30,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 18:00:30,508 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:32,278 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 18:00:32,576 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-12 18:00:32,783 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-12 18:00:33,006 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-12 18:00:33,195 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-06-12 18:00:33,449 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-06-12 18:00:33,662 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 75 [2021-06-12 18:00:33,948 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-06-12 18:00:34,579 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-06-12 18:00:34,883 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2021-06-12 18:00:35,198 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-06-12 18:00:37,669 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-06-12 18:00:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:00:41,658 INFO L93 Difference]: Finished difference Result 324527 states and 1002029 transitions. [2021-06-12 18:00:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 18:00:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:00:41,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:00:42,303 INFO L225 Difference]: With dead ends: 324527 [2021-06-12 18:00:42,304 INFO L226 Difference]: Without dead ends: 324527 [2021-06-12 18:00:42,304 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 5958.4ms TimeCoverageRelationStatistics Valid=1263, Invalid=5877, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 18:00:44,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324527 states. [2021-06-12 18:00:47,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324527 to 191318. [2021-06-12 18:00:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191318 states, 191314 states have (on average 3.0827435524843976) internal successors, (589772), 191317 states have internal predecessors, (589772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191318 states to 191318 states and 589772 transitions. [2021-06-12 18:00:48,752 INFO L78 Accepts]: Start accepts. Automaton has 191318 states and 589772 transitions. Word has length 106 [2021-06-12 18:00:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:00:48,752 INFO L482 AbstractCegarLoop]: Abstraction has 191318 states and 589772 transitions. [2021-06-12 18:00:48,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 191318 states and 589772 transitions. [2021-06-12 18:00:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:00:48,951 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:00:48,951 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:00:48,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-12 18:00:48,951 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:00:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:00:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash -292733220, now seen corresponding path program 15 times [2021-06-12 18:00:48,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:00:48,952 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854154560] [2021-06-12 18:00:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:00:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:00:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:00:50,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:00:50,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854154560] [2021-06-12 18:00:50,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854154560] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:00:50,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:00:50,148 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-12 18:00:50,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296397870] [2021-06-12 18:00:50,148 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-12 18:00:50,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:00:50,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-12 18:00:50,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-12 18:00:50,148 INFO L87 Difference]: Start difference. First operand 191318 states and 589772 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:00:51,593 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 18:00:51,786 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-06-12 18:00:52,258 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-06-12 18:00:52,482 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2021-06-12 18:00:52,718 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-06-12 18:00:52,922 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-06-12 18:00:53,156 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-06-12 18:00:53,371 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-06-12 18:00:53,690 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2021-06-12 18:00:56,203 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-06-12 18:00:56,610 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2021-06-12 18:01:00,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:01:00,433 INFO L93 Difference]: Finished difference Result 335987 states and 1036279 transitions. [2021-06-12 18:01:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-12 18:01:00,433 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:01:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:01:01,163 INFO L225 Difference]: With dead ends: 335987 [2021-06-12 18:01:01,163 INFO L226 Difference]: Without dead ends: 335987 [2021-06-12 18:01:01,163 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 5684.5ms TimeCoverageRelationStatistics Valid=1292, Invalid=5848, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 18:01:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335987 states. [2021-06-12 18:01:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335987 to 191711. [2021-06-12 18:01:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191711 states, 191707 states have (on average 3.0826260908574024) internal successors, (590961), 191710 states have internal predecessors, (590961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191711 states to 191711 states and 590961 transitions. [2021-06-12 18:01:08,123 INFO L78 Accepts]: Start accepts. Automaton has 191711 states and 590961 transitions. Word has length 106 [2021-06-12 18:01:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:01:08,123 INFO L482 AbstractCegarLoop]: Abstraction has 191711 states and 590961 transitions. [2021-06-12 18:01:08,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 191711 states and 590961 transitions. [2021-06-12 18:01:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:01:08,407 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:01:08,407 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:01:08,407 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-12 18:01:08,407 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:01:08,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:01:08,407 INFO L82 PathProgramCache]: Analyzing trace with hash 334626484, now seen corresponding path program 16 times [2021-06-12 18:01:08,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:01:08,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479902413] [2021-06-12 18:01:08,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:01:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:01:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:01:10,082 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:01:10,082 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479902413] [2021-06-12 18:01:10,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479902413] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:01:10,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:01:10,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-06-12 18:01:10,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111159981] [2021-06-12 18:01:10,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-12 18:01:10,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:01:10,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-12 18:01:10,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1177, Unknown=0, NotChecked=0, Total=1260 [2021-06-12 18:01:10,083 INFO L87 Difference]: Start difference. First operand 191711 states and 590961 transitions. Second operand has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:11,007 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-06-12 18:01:11,588 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2021-06-12 18:01:11,844 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-06-12 18:01:12,068 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-06-12 18:01:12,299 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2021-06-12 18:01:12,847 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-06-12 18:01:13,136 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-06-12 18:01:13,435 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-06-12 18:01:13,662 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-06-12 18:01:13,870 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-06-12 18:01:14,133 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-06-12 18:01:16,701 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-12 18:01:17,891 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-12 18:01:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:01:20,671 INFO L93 Difference]: Finished difference Result 337901 states and 1042113 transitions. [2021-06-12 18:01:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 18:01:20,672 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:01:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:01:21,446 INFO L225 Difference]: With dead ends: 337901 [2021-06-12 18:01:21,446 INFO L226 Difference]: Without dead ends: 337901 [2021-06-12 18:01:21,447 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 6156.7ms TimeCoverageRelationStatistics Valid=1234, Invalid=5738, Unknown=0, NotChecked=0, Total=6972 [2021-06-12 18:01:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337901 states. [2021-06-12 18:01:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337901 to 191741. [2021-06-12 18:01:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191741 states, 191737 states have (on average 3.0826183782994416) internal successors, (591052), 191740 states have internal predecessors, (591052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191741 states to 191741 states and 591052 transitions. [2021-06-12 18:01:28,227 INFO L78 Accepts]: Start accepts. Automaton has 191741 states and 591052 transitions. Word has length 106 [2021-06-12 18:01:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:01:28,227 INFO L482 AbstractCegarLoop]: Abstraction has 191741 states and 591052 transitions. [2021-06-12 18:01:28,227 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9444444444444446) internal successors, (106), 36 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 191741 states and 591052 transitions. [2021-06-12 18:01:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:01:28,418 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:01:28,418 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:01:28,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-12 18:01:28,418 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:01:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:01:28,418 INFO L82 PathProgramCache]: Analyzing trace with hash -409210818, now seen corresponding path program 17 times [2021-06-12 18:01:28,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:01:28,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432608897] [2021-06-12 18:01:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:01:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:01:29,334 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2021-06-12 18:01:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:01:29,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:01:29,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432608897] [2021-06-12 18:01:29,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432608897] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:01:29,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:01:29,816 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 18:01:29,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424097282] [2021-06-12 18:01:29,816 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 18:01:29,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:01:29,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 18:01:29,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 18:01:29,817 INFO L87 Difference]: Start difference. First operand 191741 states and 591052 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:30,639 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2021-06-12 18:01:30,992 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-06-12 18:01:31,227 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-06-12 18:01:31,426 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-06-12 18:01:31,635 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-06-12 18:01:32,081 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-06-12 18:01:32,337 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-06-12 18:01:32,609 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-06-12 18:01:32,897 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-06-12 18:01:33,140 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2021-06-12 18:01:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:01:38,872 INFO L93 Difference]: Finished difference Result 318992 states and 984526 transitions. [2021-06-12 18:01:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-12 18:01:38,873 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:01:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:01:39,853 INFO L225 Difference]: With dead ends: 318992 [2021-06-12 18:01:39,854 INFO L226 Difference]: Without dead ends: 318992 [2021-06-12 18:01:39,854 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 5263.3ms TimeCoverageRelationStatistics Valid=1174, Invalid=5632, Unknown=0, NotChecked=0, Total=6806 [2021-06-12 18:01:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318992 states. [2021-06-12 18:01:45,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318992 to 191711. [2021-06-12 18:01:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191711 states, 191707 states have (on average 3.0826260908574024) internal successors, (590961), 191710 states have internal predecessors, (590961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:46,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191711 states to 191711 states and 590961 transitions. [2021-06-12 18:01:46,826 INFO L78 Accepts]: Start accepts. Automaton has 191711 states and 590961 transitions. Word has length 106 [2021-06-12 18:01:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:01:46,827 INFO L482 AbstractCegarLoop]: Abstraction has 191711 states and 590961 transitions. [2021-06-12 18:01:46,827 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 191711 states and 590961 transitions. [2021-06-12 18:01:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:01:47,096 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:01:47,096 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:01:47,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-12 18:01:47,096 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:01:47,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:01:47,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1186868084, now seen corresponding path program 18 times [2021-06-12 18:01:47,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:01:47,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872641587] [2021-06-12 18:01:47,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:01:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:01:48,022 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-06-12 18:01:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:01:48,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:01:48,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872641587] [2021-06-12 18:01:48,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872641587] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:01:48,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:01:48,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 18:01:48,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410568317] [2021-06-12 18:01:48,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 18:01:48,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:01:48,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 18:01:48,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 18:01:48,931 INFO L87 Difference]: Start difference. First operand 191711 states and 590961 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:01:49,859 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-06-12 18:01:50,577 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-06-12 18:01:50,774 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-06-12 18:01:50,979 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-06-12 18:01:51,235 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-06-12 18:01:51,743 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2021-06-12 18:01:52,006 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-06-12 18:01:52,238 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-06-12 18:01:52,458 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-06-12 18:01:52,718 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-06-12 18:01:59,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 18:01:59,054 INFO L93 Difference]: Finished difference Result 351209 states and 1084001 transitions. [2021-06-12 18:01:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-12 18:01:59,055 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-06-12 18:01:59,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 18:01:59,768 INFO L225 Difference]: With dead ends: 351209 [2021-06-12 18:01:59,768 INFO L226 Difference]: Without dead ends: 351209 [2021-06-12 18:01:59,769 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 6070.6ms TimeCoverageRelationStatistics Valid=1256, Invalid=5884, Unknown=0, NotChecked=0, Total=7140 [2021-06-12 18:02:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351209 states. [2021-06-12 18:02:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351209 to 192011. [2021-06-12 18:02:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192011 states, 192007 states have (on average 3.08270531803528) internal successors, (591901), 192010 states have internal predecessors, (591901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:02:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192011 states to 192011 states and 591901 transitions. [2021-06-12 18:02:06,219 INFO L78 Accepts]: Start accepts. Automaton has 192011 states and 591901 transitions. Word has length 106 [2021-06-12 18:02:06,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 18:02:06,220 INFO L482 AbstractCegarLoop]: Abstraction has 192011 states and 591901 transitions. [2021-06-12 18:02:06,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 18:02:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 192011 states and 591901 transitions. [2021-06-12 18:02:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-06-12 18:02:06,422 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 18:02:06,422 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 18:02:06,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-12 18:02:06,422 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 18:02:06,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 18:02:06,422 INFO L82 PathProgramCache]: Analyzing trace with hash 443030782, now seen corresponding path program 19 times [2021-06-12 18:02:06,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 18:02:06,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530775130] [2021-06-12 18:02:06,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 18:02:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 18:02:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 18:02:07,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 18:02:07,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530775130] [2021-06-12 18:02:07,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530775130] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 18:02:07,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 18:02:07,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-06-12 18:02:07,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286493429] [2021-06-12 18:02:07,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-12 18:02:07,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 18:02:07,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-12 18:02:07,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-06-12 18:02:07,926 INFO L87 Difference]: Start difference. First operand 192011 states and 591901 transitions. Second operand has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 37 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2021-06-12 18:02:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-12 18:02:08,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-12 18:02:08,907 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 18:02:08,907 INFO L301 ceAbstractionStarter]: Result for error location reader_twoThread1of1ForFork0 was TIMEOUT (3/3) [2021-06-12 18:02:08,908 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-12 18:02:08,910 WARN L196 ceAbstractionStarter]: Timeout [2021-06-12 18:02:08,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 06:02:08 BasicIcfg [2021-06-12 18:02:08,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 18:02:08,910 INFO L168 Benchmark]: Toolchain (without parser) took 640642.71 ms. Allocated memory was 194.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 156.0 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 3.3 GB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,910 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 194.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 18:02:08,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.42 ms. Allocated memory is still 194.0 MB. Free memory was 155.8 MB in the beginning and 118.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.9 MB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.26 ms. Allocated memory is still 194.0 MB. Free memory was 118.2 MB in the beginning and 115.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,910 INFO L168 Benchmark]: Boogie Preprocessor took 28.91 ms. Allocated memory is still 194.0 MB. Free memory was 115.0 MB in the beginning and 112.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,911 INFO L168 Benchmark]: RCFGBuilder took 612.17 ms. Allocated memory is still 194.0 MB. Free memory was 112.9 MB in the beginning and 69.4 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,911 INFO L168 Benchmark]: TraceAbstraction took 639186.96 ms. Allocated memory was 194.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 68.9 MB in the beginning and 4.7 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.2 GB. Max. memory is 8.0 GB. [2021-06-12 18:02:08,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 194.0 MB. Free memory is still 175.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 756.42 ms. Allocated memory is still 194.0 MB. Free memory was 155.8 MB in the beginning and 118.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.26 ms. Allocated memory is still 194.0 MB. Free memory was 118.2 MB in the beginning and 115.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.91 ms. Allocated memory is still 194.0 MB. Free memory was 115.0 MB in the beginning and 112.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 612.17 ms. Allocated memory is still 194.0 MB. Free memory was 112.9 MB in the beginning and 69.4 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 639186.96 ms. Allocated memory was 194.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 68.9 MB in the beginning and 4.7 GB in the end (delta: -4.6 GB). Peak memory consumption was 3.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1060]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (192011states) and FLOYD_HOARE automaton (currently 15 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (89 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (192011states) and FLOYD_HOARE automaton (currently 15 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (89 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (192011states) and FLOYD_HOARE automaton (currently 15 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (89 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (192011states) and FLOYD_HOARE automaton (currently 15 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (89 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_two with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9736.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 935.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8798.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90905occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8488.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 598.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7888.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90905occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: reader_twoThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 311 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 620712.5ms, OverallIterations: 33, TraceHistogramMax: 1, EmptinessCheckTime: 7405.1ms, AutomataDifference: 387125.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7698.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41209 SDtfs, 113729 SDslu, 588567 SDs, 0 SdLazy, 245950 SolverSat, 3251 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93034.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3016 GetRequests, 106 SyntacticMatches, 56 SemanticMatches, 2854 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51639 ImplicationChecksByTransitivity, 239768.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=192011occurred in iteration=32, InterpolantAutomatonStates: 1942, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 179388.1ms AutomataMinimizationTime, 32 MinimizatonAttempts, 3607972 StatesRemovedByMinimization, 32 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 120.0ms SsaConstructionTime, 1557.1ms SatisfiabilityAnalysisTime, 37016.9ms InterpolantComputationTime, 3361 NumberOfCodeBlocks, 3361 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3328 ConstructedInterpolants, 0 QuantifiedInterpolants, 49987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown