/usr/bin/java -Xmx16000000000 -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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-22 00:00:20,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-22 00:00:20,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-22 00:00:20,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-22 00:00:20,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-22 00:00:20,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-22 00:00:20,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-22 00:00:20,572 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-Separate.epf [2021-05-22 00:00:20,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-22 00:00:20,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-22 00:00:20,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-22 00:00:20,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-22 00:00:20,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-22 00:00:20,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-22 00:00:20,622 INFO L138 SettingsManager]: * Use SBE=true [2021-05-22 00:00:20,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-22 00:00:20,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-22 00:00:20,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-22 00:00:20,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-22 00:00:20,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-22 00:00:20,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-22 00:00:20,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-22 00:00:20,624 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 00:00:20,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-22 00:00:20,625 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-22 00:00:20,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-22 00:00:20,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-22 00:00:20,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-22 00:00:20,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-22 00:00:20,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-22 00:00:20,906 INFO L275 PluginConnector]: CDTParser initialized [2021-05-22 00:00:20,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-05-22 00:00:20,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc74baae4/93cf95b9b2dd44609094fac85dbadde2/FLAGebe2b374f [2021-05-22 00:00:21,556 INFO L306 CDTParser]: Found 1 translation units. [2021-05-22 00:00:21,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-05-22 00:00:21,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc74baae4/93cf95b9b2dd44609094fac85dbadde2/FLAGebe2b374f [2021-05-22 00:00:21,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc74baae4/93cf95b9b2dd44609094fac85dbadde2 [2021-05-22 00:00:21,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-22 00:00:21,963 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-22 00:00:21,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-22 00:00:21,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-22 00:00:21,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-22 00:00:21,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:00:21" (1/1) ... [2021-05-22 00:00:21,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6879771c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:21, skipping insertion in model container [2021-05-22 00:00:21,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:00:21" (1/1) ... [2021-05-22 00:00:21,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-22 00:00:22,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-22 00:00:22,162 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-22 00:00:22,366 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-2.i[39095,39108] [2021-05-22 00:00:22,370 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-2.i[39180,39193] [2021-05-22 00:00:22,371 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-2.i[39232,39245] [2021-05-22 00:00:22,427 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-2.i[49285,49298] [2021-05-22 00:00:22,429 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-2.i[49334,49347] [2021-05-22 00:00:22,430 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-2.i[49462,49475] [2021-05-22 00:00:22,431 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-2.i[49520,49533] [2021-05-22 00:00:22,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:00:22,439 INFO L203 MainTranslator]: Completed pre-run [2021-05-22 00:00:22,451 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-22 00:00:22,468 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-2.i[39095,39108] [2021-05-22 00:00:22,468 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-2.i[39180,39193] [2021-05-22 00:00:22,469 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-2.i[39232,39245] [2021-05-22 00:00:22,477 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-2.i[49285,49298] [2021-05-22 00:00:22,478 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-2.i[49334,49347] [2021-05-22 00:00:22,482 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-2.i[49462,49475] [2021-05-22 00:00:22,483 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-2.i[49520,49533] [2021-05-22 00:00:22,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:00:22,595 INFO L208 MainTranslator]: Completed translation [2021-05-22 00:00:22,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22 WrapperNode [2021-05-22 00:00:22,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-22 00:00:22,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-22 00:00:22,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-22 00:00:22,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-22 00:00:22,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-22 00:00:22,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-22 00:00:22,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-22 00:00:22,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-22 00:00:22,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (1/1) ... [2021-05-22 00:00:22,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-22 00:00:22,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-22 00:00:22,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-22 00:00:22,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-22 00:00:22,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (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 [2021-05-22 00:00:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-05-22 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-05-22 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-22 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-22 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-22 00:00:22,731 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-22 00:00:23,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-22 00:00:23,209 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-05-22 00:00:23,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:00:23 BoogieIcfgContainer [2021-05-22 00:00:23,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-22 00:00:23,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-22 00:00:23,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-22 00:00:23,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-22 00:00:23,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.05 12:00:21" (1/3) ... [2021-05-22 00:00:23,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7d23f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:00:23, skipping insertion in model container [2021-05-22 00:00:23,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:00:22" (2/3) ... [2021-05-22 00:00:23,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7d23f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:00:23, skipping insertion in model container [2021-05-22 00:00:23,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:00:23" (3/3) ... [2021-05-22 00:00:23,217 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2021-05-22 00:00:23,220 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-22 00:00:23,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-22 00:00:23,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-05-22 00:00:23,221 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-22 00:00:23,261 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,261 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,261 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,262 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,263 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,264 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,264 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,264 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,264 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,265 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,266 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,267 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,268 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,269 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,270 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,271 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,272 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,272 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,274 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,274 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,274 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,274 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,277 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,278 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,279 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,280 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,281 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,282 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,283 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,284 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,286 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,287 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,288 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,289 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,290 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,291 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,291 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,291 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,291 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,291 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,299 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,300 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,300 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,300 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,300 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,301 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,303 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,304 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,305 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,306 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,307 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,308 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,309 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,310 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,311 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,312 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,314 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,315 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,316 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,317 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,318 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,319 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,320 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,321 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,322 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,324 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,325 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,326 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,326 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork0_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,326 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork0_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,329 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,330 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,331 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork1_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,332 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:00:23,339 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-05-22 00:00:23,353 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-05-22 00:00:23,364 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:00:23,364 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:00:23,364 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:00:23,364 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:00:23,364 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:00:23,365 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:00:23,365 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:00:23,365 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:00:23,375 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-05-22 00:00:29,094 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 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) [2021-05-22 00:00:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 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) [2021-05-22 00:00:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-05-22 00:00:29,400 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:00:29,401 INFO L521 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] [2021-05-22 00:00:29,401 INFO L430 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:00:29,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:00:29,407 INFO L82 PathProgramCache]: Analyzing trace with hash -616894537, now seen corresponding path program 1 times [2021-05-22 00:00:29,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:00:29,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315464838] [2021-05-22 00:00:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:00:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:00:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:00:29,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:00:29,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315464838] [2021-05-22 00:00:29,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315464838] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:00:29,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:00:29,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-05-22 00:00:29,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981046377] [2021-05-22 00:00:29,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-22 00:00:29,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:00:29,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-22 00:00:29,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-05-22 00:00:30,070 INFO L87 Difference]: Start difference. First operand has 75485 states, 75480 states have (on average 3.284618441971383) internal successors, (247923), 75484 states have internal predecessors, (247923), 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 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 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) [2021-05-22 00:00:31,043 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-05-22 00:00:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:00:32,964 INFO L93 Difference]: Finished difference Result 88672 states and 272853 transitions. [2021-05-22 00:00:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-22 00:00:32,965 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 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 74 [2021-05-22 00:00:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:00:33,190 INFO L225 Difference]: With dead ends: 88672 [2021-05-22 00:00:33,191 INFO L226 Difference]: Without dead ends: 78950 [2021-05-22 00:00:33,192 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1745.1ms TimeCoverageRelationStatistics Valid=487, Invalid=1319, Unknown=0, NotChecked=0, Total=1806 [2021-05-22 00:00:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78950 states. [2021-05-22 00:00:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78950 to 75134. [2021-05-22 00:00:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75134 states, 75130 states have (on average 3.0838679621988554) internal successors, (231691), 75133 states have internal predecessors, (231691), 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) [2021-05-22 00:00:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75134 states to 75134 states and 231691 transitions. [2021-05-22 00:00:35,739 INFO L78 Accepts]: Start accepts. Automaton has 75134 states and 231691 transitions. Word has length 74 [2021-05-22 00:00:35,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:00:35,740 INFO L482 AbstractCegarLoop]: Abstraction has 75134 states and 231691 transitions. [2021-05-22 00:00:35,740 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 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) [2021-05-22 00:00:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 75134 states and 231691 transitions. [2021-05-22 00:00:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-05-22 00:00:36,050 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:00:36,050 INFO L521 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] [2021-05-22 00:00:36,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-22 00:00:36,050 INFO L430 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:00:36,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:00:36,051 INFO L82 PathProgramCache]: Analyzing trace with hash -492362997, now seen corresponding path program 1 times [2021-05-22 00:00:36,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:00:36,051 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706521760] [2021-05-22 00:00:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:00:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:00:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:00:36,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:00:36,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706521760] [2021-05-22 00:00:36,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706521760] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:00:36,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:00:36,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-22 00:00:36,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669654856] [2021-05-22 00:00:36,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-22 00:00:36,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:00:36,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-22 00:00:36,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-05-22 00:00:36,434 INFO L87 Difference]: Start difference. First operand 75134 states and 231691 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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) [2021-05-22 00:00:37,717 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-05-22 00:00:37,890 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2021-05-22 00:00:38,068 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-05-22 00:00:38,205 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-05-22 00:00:40,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:00:40,057 INFO L93 Difference]: Finished difference Result 119116 states and 367546 transitions. [2021-05-22 00:00:40,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-05-22 00:00:40,058 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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 79 [2021-05-22 00:00:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:00:40,376 INFO L225 Difference]: With dead ends: 119116 [2021-05-22 00:00:40,377 INFO L226 Difference]: Without dead ends: 118255 [2021-05-22 00:00:40,377 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2239.1ms TimeCoverageRelationStatistics Valid=606, Invalid=1556, Unknown=0, NotChecked=0, Total=2162 [2021-05-22 00:00:41,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118255 states. [2021-05-22 00:00:42,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118255 to 94985. [2021-05-22 00:00:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94985 states, 94981 states have (on average 3.090239100451669) internal successors, (293514), 94984 states have internal predecessors, (293514), 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) [2021-05-22 00:00:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94985 states to 94985 states and 293514 transitions. [2021-05-22 00:00:43,166 INFO L78 Accepts]: Start accepts. Automaton has 94985 states and 293514 transitions. Word has length 79 [2021-05-22 00:00:43,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:00:43,166 INFO L482 AbstractCegarLoop]: Abstraction has 94985 states and 293514 transitions. [2021-05-22 00:00:43,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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) [2021-05-22 00:00:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 94985 states and 293514 transitions. [2021-05-22 00:00:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-05-22 00:00:43,211 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:00:43,211 INFO L521 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] [2021-05-22 00:00:43,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-22 00:00:43,212 INFO L430 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:00:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:00:43,212 INFO L82 PathProgramCache]: Analyzing trace with hash -875353651, now seen corresponding path program 2 times [2021-05-22 00:00:43,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:00:43,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801960366] [2021-05-22 00:00:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:00:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:00:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:00:43,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:00:43,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801960366] [2021-05-22 00:00:43,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801960366] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:00:43,625 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:00:43,625 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-05-22 00:00:43,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48268691] [2021-05-22 00:00:43,626 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-05-22 00:00:43,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:00:43,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-05-22 00:00:43,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2021-05-22 00:00:43,626 INFO L87 Difference]: Start difference. First operand 94985 states and 293514 transitions. Second operand has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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) [2021-05-22 00:00:44,582 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2021-05-22 00:00:44,733 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-05-22 00:00:44,902 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 76 [2021-05-22 00:00:45,092 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-05-22 00:00:45,271 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2021-05-22 00:00:45,427 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2021-05-22 00:00:45,658 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-05-22 00:00:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:00:46,781 INFO L93 Difference]: Finished difference Result 107868 states and 332574 transitions. [2021-05-22 00:00:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-22 00:00:46,781 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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 79 [2021-05-22 00:00:46,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:00:46,969 INFO L225 Difference]: With dead ends: 107868 [2021-05-22 00:00:46,969 INFO L226 Difference]: Without dead ends: 107616 [2021-05-22 00:00:46,970 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2065.7ms TimeCoverageRelationStatistics Valid=425, Invalid=1135, Unknown=0, NotChecked=0, Total=1560 [2021-05-22 00:00:47,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107616 states. [2021-05-22 00:00:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107616 to 91078. [2021-05-22 00:00:49,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91078 states, 91074 states have (on average 3.086534027274524) internal successors, (281103), 91077 states have internal predecessors, (281103), 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) [2021-05-22 00:00:49,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91078 states to 91078 states and 281103 transitions. [2021-05-22 00:00:49,257 INFO L78 Accepts]: Start accepts. Automaton has 91078 states and 281103 transitions. Word has length 79 [2021-05-22 00:00:49,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:00:49,257 INFO L482 AbstractCegarLoop]: Abstraction has 91078 states and 281103 transitions. [2021-05-22 00:00:49,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 3.590909090909091) internal successors, (79), 22 states have internal predecessors, (79), 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) [2021-05-22 00:00:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 91078 states and 281103 transitions. [2021-05-22 00:00:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:00:49,320 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:00:49,324 INFO L521 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] [2021-05-22 00:00:49,325 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-22 00:00:49,325 INFO L430 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:00:49,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:00:49,326 INFO L82 PathProgramCache]: Analyzing trace with hash 678803485, now seen corresponding path program 1 times [2021-05-22 00:00:49,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:00:49,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740116011] [2021-05-22 00:00:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:00:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:00:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:00:50,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:00:50,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740116011] [2021-05-22 00:00:50,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740116011] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:00:50,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:00:50,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:00:50,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600628875] [2021-05-22 00:00:50,518 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:00:50,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:00:50,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:00:50,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:00:50,520 INFO L87 Difference]: Start difference. First operand 91078 states and 281103 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:00:51,706 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-05-22 00:00:51,908 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-05-22 00:00:52,239 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:00:52,944 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-05-22 00:00:53,157 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-05-22 00:00:54,487 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-05-22 00:00:54,653 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-05-22 00:00:54,802 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-05-22 00:00:55,156 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-05-22 00:00:55,298 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-05-22 00:00:55,441 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-05-22 00:00:55,659 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-05-22 00:00:55,835 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-22 00:00:55,996 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-05-22 00:00:56,148 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2021-05-22 00:00:56,400 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-05-22 00:00:56,617 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2021-05-22 00:00:56,787 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-05-22 00:00:56,932 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 61 [2021-05-22 00:00:57,151 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-05-22 00:00:57,323 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-05-22 00:00:57,494 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-05-22 00:00:57,637 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-05-22 00:00:57,766 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2021-05-22 00:00:57,992 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-05-22 00:00:58,178 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-05-22 00:00:58,347 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-05-22 00:00:58,505 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-05-22 00:00:58,788 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-05-22 00:00:59,015 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-05-22 00:00:59,197 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-05-22 00:00:59,425 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-05-22 00:00:59,632 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-05-22 00:00:59,816 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-05-22 00:01:00,062 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-05-22 00:01:00,290 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2021-05-22 00:01:00,465 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 71 [2021-05-22 00:01:00,692 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-05-22 00:01:00,929 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-05-22 00:01:01,178 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-05-22 00:01:01,408 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-05-22 00:01:01,738 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 88 [2021-05-22 00:01:01,938 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2021-05-22 00:01:02,236 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-05-22 00:01:02,454 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-05-22 00:01:02,724 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 82 [2021-05-22 00:01:02,940 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-05-22 00:01:03,209 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-05-22 00:01:03,447 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-05-22 00:01:03,797 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-05-22 00:01:04,197 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 93 [2021-05-22 00:01:04,562 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 89 [2021-05-22 00:01:04,957 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-05-22 00:01:05,400 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 90 [2021-05-22 00:01:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:01:06,854 INFO L93 Difference]: Finished difference Result 126058 states and 388679 transitions. [2021-05-22 00:01:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-05-22 00:01:06,854 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:01:06,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:01:07,078 INFO L225 Difference]: With dead ends: 126058 [2021-05-22 00:01:07,078 INFO L226 Difference]: Without dead ends: 126058 [2021-05-22 00:01:07,080 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2186 ImplicationChecksByTransitivity, 13037.4ms TimeCoverageRelationStatistics Valid=3748, Invalid=9134, Unknown=0, NotChecked=0, Total=12882 [2021-05-22 00:01:07,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126058 states. [2021-05-22 00:01:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126058 to 105732. [2021-05-22 00:01:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105732 states, 105728 states have (on average 3.0916691888619856) internal successors, (326876), 105731 states have internal predecessors, (326876), 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) [2021-05-22 00:01:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105732 states to 105732 states and 326876 transitions. [2021-05-22 00:01:09,465 INFO L78 Accepts]: Start accepts. Automaton has 105732 states and 326876 transitions. Word has length 95 [2021-05-22 00:01:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:01:09,466 INFO L482 AbstractCegarLoop]: Abstraction has 105732 states and 326876 transitions. [2021-05-22 00:01:09,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 105732 states and 326876 transitions. [2021-05-22 00:01:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:01:09,559 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:01:09,559 INFO L521 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] [2021-05-22 00:01:09,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-22 00:01:09,560 INFO L430 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:01:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:01:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash -991768577, now seen corresponding path program 2 times [2021-05-22 00:01:09,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:01:09,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876594927] [2021-05-22 00:01:09,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:01:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:01:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:01:10,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:01:10,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876594927] [2021-05-22 00:01:10,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876594927] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:01:10,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:01:10,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:01:10,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142429081] [2021-05-22 00:01:10,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:01:10,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:01:10,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:01:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:01:10,357 INFO L87 Difference]: Start difference. First operand 105732 states and 326876 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:11,440 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-05-22 00:01:11,648 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-05-22 00:01:12,500 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-05-22 00:01:13,702 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:01:14,288 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-05-22 00:01:15,543 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:01:15,704 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-05-22 00:01:16,358 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-05-22 00:01:16,498 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-05-22 00:01:16,966 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:01:17,125 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-22 00:01:17,289 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2021-05-22 00:01:17,432 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-05-22 00:01:17,830 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-05-22 00:01:18,003 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-05-22 00:01:18,139 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-05-22 00:01:18,674 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-22 00:01:18,848 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-22 00:01:19,032 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-05-22 00:01:19,176 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2021-05-22 00:01:19,314 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 68 [2021-05-22 00:01:19,592 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-05-22 00:01:19,835 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-05-22 00:01:20,004 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-22 00:01:20,152 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-05-22 00:01:20,410 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-22 00:01:20,608 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-05-22 00:01:20,786 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:01:21,044 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-22 00:01:21,253 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:01:21,436 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-22 00:01:21,700 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-05-22 00:01:22,046 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-05-22 00:01:22,239 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-22 00:01:22,494 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:01:22,742 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-05-22 00:01:22,961 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-22 00:01:23,154 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-05-22 00:01:23,502 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-05-22 00:01:23,698 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-22 00:01:24,059 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-22 00:01:24,280 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-22 00:01:24,562 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:01:24,783 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:01:25,104 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-05-22 00:01:25,340 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-22 00:01:25,703 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-22 00:01:26,115 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-22 00:01:26,605 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-05-22 00:01:26,923 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:01:27,351 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:01:28,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:01:28,808 INFO L93 Difference]: Finished difference Result 178026 states and 549050 transitions. [2021-05-22 00:01:28,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-05-22 00:01:28,809 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:01:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:01:29,090 INFO L225 Difference]: With dead ends: 178026 [2021-05-22 00:01:29,090 INFO L226 Difference]: Without dead ends: 178026 [2021-05-22 00:01:29,093 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2943 ImplicationChecksByTransitivity, 14041.4ms TimeCoverageRelationStatistics Valid=4611, Invalid=11645, Unknown=0, NotChecked=0, Total=16256 [2021-05-22 00:01:30,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178026 states. [2021-05-22 00:01:31,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178026 to 105760. [2021-05-22 00:01:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105760 states, 105756 states have (on average 3.0916543742199023) internal successors, (326961), 105759 states have internal predecessors, (326961), 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) [2021-05-22 00:01:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105760 states to 105760 states and 326961 transitions. [2021-05-22 00:01:31,892 INFO L78 Accepts]: Start accepts. Automaton has 105760 states and 326961 transitions. Word has length 95 [2021-05-22 00:01:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:01:31,892 INFO L482 AbstractCegarLoop]: Abstraction has 105760 states and 326961 transitions. [2021-05-22 00:01:31,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 105760 states and 326961 transitions. [2021-05-22 00:01:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:01:31,977 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:01:31,977 INFO L521 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] [2021-05-22 00:01:31,977 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-22 00:01:31,977 INFO L430 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:01:31,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:01:31,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1611360775, now seen corresponding path program 3 times [2021-05-22 00:01:31,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:01:31,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200345490] [2021-05-22 00:01:31,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:01:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:01:33,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:01:33,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:01:33,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200345490] [2021-05-22 00:01:33,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200345490] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:01:33,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:01:33,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:01:33,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951600187] [2021-05-22 00:01:33,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:01:33,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:01:33,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:01:33,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:01:33,086 INFO L87 Difference]: Start difference. First operand 105760 states and 326961 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:34,211 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2021-05-22 00:01:34,451 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2021-05-22 00:01:34,672 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-05-22 00:01:34,983 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-05-22 00:01:35,858 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:01:37,589 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-05-22 00:01:37,775 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:01:37,938 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-05-22 00:01:38,607 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-05-22 00:01:38,748 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-05-22 00:01:39,017 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-05-22 00:01:39,320 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:01:39,501 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-22 00:01:39,665 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2021-05-22 00:01:39,921 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-05-22 00:01:40,217 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-05-22 00:01:40,395 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-05-22 00:01:40,532 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2021-05-22 00:01:40,793 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-05-22 00:01:41,103 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-22 00:01:41,288 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-22 00:01:41,455 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-05-22 00:01:41,877 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-05-22 00:01:42,087 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-05-22 00:01:42,271 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-05-22 00:01:42,429 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-22 00:01:42,579 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-05-22 00:01:42,851 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-22 00:01:43,052 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-05-22 00:01:43,245 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:01:43,496 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-22 00:01:43,705 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:01:43,890 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-22 00:01:44,169 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-05-22 00:01:44,404 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-05-22 00:01:44,594 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-22 00:01:44,874 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:01:45,101 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-05-22 00:01:45,326 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-22 00:01:45,551 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-05-22 00:01:45,907 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-05-22 00:01:46,106 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-22 00:01:46,446 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-22 00:01:46,672 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-22 00:01:46,947 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:01:47,163 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:01:47,487 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-05-22 00:01:47,726 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-22 00:01:48,175 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-22 00:01:48,608 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-22 00:01:49,076 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-05-22 00:01:49,438 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:01:49,894 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:01:51,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:01:51,669 INFO L93 Difference]: Finished difference Result 176402 states and 544120 transitions. [2021-05-22 00:01:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-05-22 00:01:51,670 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:01:51,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:01:51,932 INFO L225 Difference]: With dead ends: 176402 [2021-05-22 00:01:51,932 INFO L226 Difference]: Without dead ends: 176402 [2021-05-22 00:01:51,935 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3121 ImplicationChecksByTransitivity, 14153.0ms TimeCoverageRelationStatistics Valid=4798, Invalid=12232, Unknown=0, NotChecked=0, Total=17030 [2021-05-22 00:01:52,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176402 states. [2021-05-22 00:01:54,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176402 to 105788. [2021-05-22 00:01:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105788 states, 105784 states have (on average 3.091639567420404) internal successors, (327046), 105787 states have internal predecessors, (327046), 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) [2021-05-22 00:01:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105788 states to 105788 states and 327046 transitions. [2021-05-22 00:01:54,807 INFO L78 Accepts]: Start accepts. Automaton has 105788 states and 327046 transitions. Word has length 95 [2021-05-22 00:01:54,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:01:54,807 INFO L482 AbstractCegarLoop]: Abstraction has 105788 states and 327046 transitions. [2021-05-22 00:01:54,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 105788 states and 327046 transitions. [2021-05-22 00:01:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:01:54,888 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:01:54,888 INFO L521 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] [2021-05-22 00:01:54,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-22 00:01:54,888 INFO L430 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:01:54,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:01:54,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2146874239, now seen corresponding path program 4 times [2021-05-22 00:01:54,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:01:54,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051461184] [2021-05-22 00:01:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:01:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:01:55,423 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2021-05-22 00:01:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:01:55,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:01:55,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051461184] [2021-05-22 00:01:55,874 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051461184] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:01:55,874 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:01:55,874 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:01:55,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753263321] [2021-05-22 00:01:55,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:01:55,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:01:55,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:01:55,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:01:55,875 INFO L87 Difference]: Start difference. First operand 105788 states and 327046 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:01:57,514 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-05-22 00:01:57,826 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-05-22 00:01:58,701 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:02:00,524 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:02:00,676 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-05-22 00:02:00,913 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-05-22 00:02:01,344 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-05-22 00:02:01,618 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-05-22 00:02:01,763 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-05-22 00:02:02,060 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:02:02,220 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-05-22 00:02:02,598 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-05-22 00:02:03,033 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-05-22 00:02:03,210 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-05-22 00:02:03,497 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-05-22 00:02:03,922 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-22 00:02:04,097 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-22 00:02:04,261 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-05-22 00:02:04,573 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-05-22 00:02:04,714 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-05-22 00:02:04,925 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-05-22 00:02:05,131 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-05-22 00:02:05,287 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-22 00:02:05,634 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-05-22 00:02:05,868 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-22 00:02:06,070 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-05-22 00:02:06,248 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:02:06,500 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 78 [2021-05-22 00:02:06,708 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:02:06,906 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-22 00:02:07,192 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-05-22 00:02:07,421 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-05-22 00:02:07,597 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-22 00:02:07,894 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:02:08,126 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2021-05-22 00:02:08,344 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-22 00:02:08,543 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-05-22 00:02:08,898 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-05-22 00:02:09,103 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-22 00:02:09,422 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2021-05-22 00:02:09,647 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-22 00:02:09,929 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:02:10,155 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:02:10,470 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-05-22 00:02:10,712 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-22 00:02:11,113 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-22 00:02:11,550 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-22 00:02:12,003 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-05-22 00:02:12,357 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:02:12,784 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:02:14,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:02:14,652 INFO L93 Difference]: Finished difference Result 171240 states and 528431 transitions. [2021-05-22 00:02:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2021-05-22 00:02:14,652 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:02:14,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:02:14,906 INFO L225 Difference]: With dead ends: 171240 [2021-05-22 00:02:14,907 INFO L226 Difference]: Without dead ends: 171240 [2021-05-22 00:02:14,908 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3316 ImplicationChecksByTransitivity, 14291.1ms TimeCoverageRelationStatistics Valid=4980, Invalid=12842, Unknown=0, NotChecked=0, Total=17822 [2021-05-22 00:02:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171240 states. [2021-05-22 00:02:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171240 to 105872. [2021-05-22 00:02:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105872 states, 105868 states have (on average 3.091802999962217) internal successors, (327323), 105871 states have internal predecessors, (327323), 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) [2021-05-22 00:02:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105872 states to 105872 states and 327323 transitions. [2021-05-22 00:02:17,839 INFO L78 Accepts]: Start accepts. Automaton has 105872 states and 327323 transitions. Word has length 95 [2021-05-22 00:02:17,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:02:17,839 INFO L482 AbstractCegarLoop]: Abstraction has 105872 states and 327323 transitions. [2021-05-22 00:02:17,839 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:02:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 105872 states and 327323 transitions. [2021-05-22 00:02:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:02:17,962 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:02:17,962 INFO L521 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] [2021-05-22 00:02:17,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-22 00:02:17,962 INFO L430 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:02:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:02:17,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1695501187, now seen corresponding path program 5 times [2021-05-22 00:02:17,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:02:17,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399626457] [2021-05-22 00:02:17,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:02:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:02:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:02:18,607 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:02:18,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399626457] [2021-05-22 00:02:18,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399626457] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:02:18,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:02:18,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:02:18,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098759801] [2021-05-22 00:02:18,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:02:18,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:02:18,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:02:18,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:02:18,608 INFO L87 Difference]: Start difference. First operand 105872 states and 327323 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:02:20,408 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-05-22 00:02:20,557 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2021-05-22 00:02:20,878 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:02:21,795 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-22 00:02:23,285 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-05-22 00:02:23,422 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-05-22 00:02:24,092 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:02:24,888 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-05-22 00:02:25,059 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-05-22 00:02:25,206 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-05-22 00:02:25,523 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-05-22 00:02:25,996 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-05-22 00:02:26,171 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:02:26,306 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-05-22 00:02:26,868 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-22 00:02:27,029 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:02:27,493 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-05-22 00:02:27,932 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-05-22 00:02:28,114 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-22 00:02:28,268 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:02:28,415 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-05-22 00:02:28,639 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-05-22 00:02:28,824 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-05-22 00:02:29,149 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-22 00:02:29,355 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-22 00:02:29,529 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:02:29,760 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-05-22 00:02:29,913 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-05-22 00:02:30,257 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-05-22 00:02:30,443 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-05-22 00:02:30,666 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-05-22 00:02:30,888 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2021-05-22 00:02:31,059 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-05-22 00:02:31,343 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-05-22 00:02:31,519 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-05-22 00:02:31,763 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-05-22 00:02:32,007 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 81 [2021-05-22 00:02:32,171 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-05-22 00:02:32,309 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-05-22 00:02:32,553 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 83 [2021-05-22 00:02:32,750 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-22 00:02:32,976 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-05-22 00:02:33,216 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-05-22 00:02:33,440 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-05-22 00:02:33,719 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-22 00:02:34,026 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 86 [2021-05-22 00:02:34,276 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 75 [2021-05-22 00:02:34,461 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-05-22 00:02:34,715 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-05-22 00:02:34,978 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-05-22 00:02:35,220 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 80 [2021-05-22 00:02:35,508 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-05-22 00:02:35,776 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 80 [2021-05-22 00:02:36,106 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 91 [2021-05-22 00:02:36,366 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-05-22 00:02:36,750 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-05-22 00:02:37,291 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2021-05-22 00:02:37,513 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2021-05-22 00:02:37,883 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 94 [2021-05-22 00:02:38,303 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 90 [2021-05-22 00:02:38,706 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 95 [2021-05-22 00:02:40,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:02:40,528 INFO L93 Difference]: Finished difference Result 170980 states and 528415 transitions. [2021-05-22 00:02:40,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-05-22 00:02:40,540 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:02:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:02:40,980 INFO L225 Difference]: With dead ends: 170980 [2021-05-22 00:02:40,980 INFO L226 Difference]: Without dead ends: 170980 [2021-05-22 00:02:40,981 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4985 ImplicationChecksByTransitivity, 16999.1ms TimeCoverageRelationStatistics Valid=5883, Invalid=17069, Unknown=0, NotChecked=0, Total=22952 [2021-05-22 00:02:41,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170980 states. [2021-05-22 00:02:43,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170980 to 115280. [2021-05-22 00:02:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115280 states, 115276 states have (on average 3.0935407196641105) internal successors, (356611), 115279 states have internal predecessors, (356611), 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) [2021-05-22 00:02:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115280 states to 115280 states and 356611 transitions. [2021-05-22 00:02:44,077 INFO L78 Accepts]: Start accepts. Automaton has 115280 states and 356611 transitions. Word has length 95 [2021-05-22 00:02:44,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:02:44,077 INFO L482 AbstractCegarLoop]: Abstraction has 115280 states and 356611 transitions. [2021-05-22 00:02:44,077 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:02:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 115280 states and 356611 transitions. [2021-05-22 00:02:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:02:44,167 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:02:44,167 INFO L521 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] [2021-05-22 00:02:44,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-22 00:02:44,167 INFO L430 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:02:44,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:02:44,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2005535391, now seen corresponding path program 6 times [2021-05-22 00:02:44,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:02:44,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350600961] [2021-05-22 00:02:44,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:02:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:02:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:02:44,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:02:44,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350600961] [2021-05-22 00:02:44,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350600961] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:02:44,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:02:44,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:02:44,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599308995] [2021-05-22 00:02:44,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:02:44,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:02:44,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:02:44,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:02:44,689 INFO L87 Difference]: Start difference. First operand 115280 states and 356611 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:02:46,951 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-05-22 00:02:47,687 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-05-22 00:02:48,104 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-05-22 00:02:48,277 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-22 00:02:50,394 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:02:51,026 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-05-22 00:02:51,177 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:02:51,319 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:02:51,845 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:02:52,065 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:02:52,617 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-05-22 00:02:52,794 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:02:52,948 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-05-22 00:02:53,532 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2021-05-22 00:02:53,699 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-22 00:02:53,844 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:02:53,984 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-05-22 00:02:54,478 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-22 00:02:54,703 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-22 00:02:54,886 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-05-22 00:02:55,137 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:02:55,330 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-22 00:02:55,503 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:02:55,891 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:02:56,108 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2021-05-22 00:02:56,272 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:02:56,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-05-22 00:02:56,661 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-05-22 00:02:56,875 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-22 00:02:57,075 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:02:57,266 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-22 00:02:57,492 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-05-22 00:02:57,661 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-05-22 00:02:57,929 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-22 00:02:58,117 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2021-05-22 00:02:58,322 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-05-22 00:02:58,592 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-22 00:02:58,805 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-22 00:02:59,106 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2021-05-22 00:02:59,313 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:02:59,517 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-05-22 00:02:59,692 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:02:59,944 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-22 00:03:00,177 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-22 00:03:00,419 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-22 00:03:00,763 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 92 [2021-05-22 00:03:01,019 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-05-22 00:03:01,205 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-22 00:03:01,510 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-05-22 00:03:01,798 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-05-22 00:03:02,149 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-05-22 00:03:02,423 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-05-22 00:03:02,780 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-22 00:03:03,013 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:03:03,203 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-05-22 00:03:03,563 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 95 [2021-05-22 00:03:03,819 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-22 00:03:05,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:03:05,920 INFO L93 Difference]: Finished difference Result 172640 states and 532700 transitions. [2021-05-22 00:03:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-05-22 00:03:05,920 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:03:05,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:03:06,387 INFO L225 Difference]: With dead ends: 172640 [2021-05-22 00:03:06,387 INFO L226 Difference]: Without dead ends: 172640 [2021-05-22 00:03:06,389 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4289 ImplicationChecksByTransitivity, 15761.6ms TimeCoverageRelationStatistics Valid=5541, Invalid=15339, Unknown=0, NotChecked=0, Total=20880 [2021-05-22 00:03:07,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172640 states. [2021-05-22 00:03:08,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172640 to 115392. [2021-05-22 00:03:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115392 states, 115388 states have (on average 3.0934845911186604) internal successors, (356951), 115391 states have internal predecessors, (356951), 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) [2021-05-22 00:03:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115392 states to 115392 states and 356951 transitions. [2021-05-22 00:03:08,988 INFO L78 Accepts]: Start accepts. Automaton has 115392 states and 356951 transitions. Word has length 95 [2021-05-22 00:03:08,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:03:08,989 INFO L482 AbstractCegarLoop]: Abstraction has 115392 states and 356951 transitions. [2021-05-22 00:03:08,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:03:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 115392 states and 356951 transitions. [2021-05-22 00:03:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:03:09,438 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:03:09,438 INFO L521 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] [2021-05-22 00:03:09,438 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-22 00:03:09,438 INFO L430 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:03:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:03:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1157750219, now seen corresponding path program 7 times [2021-05-22 00:03:09,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:03:09,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892133418] [2021-05-22 00:03:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:03:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:03:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:03:10,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:03:10,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892133418] [2021-05-22 00:03:10,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892133418] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:03:10,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:03:10,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:03:10,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726358266] [2021-05-22 00:03:10,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:03:10,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:03:10,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:03:10,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:03:10,203 INFO L87 Difference]: Start difference. First operand 115392 states and 356951 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:03:11,455 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-05-22 00:03:11,647 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-05-22 00:03:12,039 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:03:12,889 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-05-22 00:03:13,062 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-05-22 00:03:13,197 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-05-22 00:03:13,325 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2021-05-22 00:03:13,531 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-05-22 00:03:13,673 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-05-22 00:03:13,802 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-05-22 00:03:14,007 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-05-22 00:03:14,173 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-05-22 00:03:14,326 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-05-22 00:03:14,669 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-05-22 00:03:14,860 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-22 00:03:14,994 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-05-22 00:03:15,295 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-05-22 00:03:15,481 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-05-22 00:03:15,636 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-22 00:03:16,088 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-05-22 00:03:16,258 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-22 00:03:16,436 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-05-22 00:03:16,578 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-05-22 00:03:16,809 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-05-22 00:03:16,995 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-22 00:03:17,155 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-22 00:03:17,372 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-05-22 00:03:17,567 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-05-22 00:03:17,744 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-22 00:03:18,014 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:03:18,230 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-22 00:03:18,400 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-05-22 00:03:18,651 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-22 00:03:18,868 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-22 00:03:19,071 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-22 00:03:19,268 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-05-22 00:03:19,559 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-22 00:03:19,767 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-05-22 00:03:20,044 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-05-22 00:03:20,254 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-05-22 00:03:20,501 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-05-22 00:03:20,717 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-05-22 00:03:20,983 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-05-22 00:03:21,209 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:03:21,533 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-22 00:03:21,865 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-05-22 00:03:22,234 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-05-22 00:03:22,580 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-22 00:03:22,952 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-05-22 00:03:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:03:24,214 INFO L93 Difference]: Finished difference Result 149569 states and 461456 transitions. [2021-05-22 00:03:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-05-22 00:03:24,214 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:03:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:03:24,439 INFO L225 Difference]: With dead ends: 149569 [2021-05-22 00:03:24,439 INFO L226 Difference]: Without dead ends: 149569 [2021-05-22 00:03:24,440 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 11124.1ms TimeCoverageRelationStatistics Valid=3289, Invalid=7841, Unknown=0, NotChecked=0, Total=11130 [2021-05-22 00:03:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149569 states. [2021-05-22 00:03:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149569 to 119592. [2021-05-22 00:03:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119592 states, 119588 states have (on average 3.09605478810583) internal successors, (370251), 119591 states have internal predecessors, (370251), 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) [2021-05-22 00:03:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119592 states to 119592 states and 370251 transitions. [2021-05-22 00:03:27,476 INFO L78 Accepts]: Start accepts. Automaton has 119592 states and 370251 transitions. Word has length 95 [2021-05-22 00:03:27,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:03:27,476 INFO L482 AbstractCegarLoop]: Abstraction has 119592 states and 370251 transitions. [2021-05-22 00:03:27,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:03:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 119592 states and 370251 transitions. [2021-05-22 00:03:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:03:27,567 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:03:27,567 INFO L521 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] [2021-05-22 00:03:27,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-22 00:03:27,567 INFO L430 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:03:27,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:03:27,568 INFO L82 PathProgramCache]: Analyzing trace with hash 538158021, now seen corresponding path program 8 times [2021-05-22 00:03:27,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:03:27,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629661511] [2021-05-22 00:03:27,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:03:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:03:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:03:28,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:03:28,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629661511] [2021-05-22 00:03:28,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629661511] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:03:28,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:03:28,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:03:28,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730315214] [2021-05-22 00:03:28,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:03:28,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:03:28,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:03:28,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:03:28,205 INFO L87 Difference]: Start difference. First operand 119592 states and 370251 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:03:29,168 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2021-05-22 00:03:29,791 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-05-22 00:03:30,016 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-05-22 00:03:30,490 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:03:31,009 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-05-22 00:03:31,750 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-05-22 00:03:32,053 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-05-22 00:03:32,205 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-05-22 00:03:32,349 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-05-22 00:03:32,508 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-05-22 00:03:32,824 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-05-22 00:03:32,975 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2021-05-22 00:03:33,143 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:03:33,441 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-05-22 00:03:33,603 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-05-22 00:03:33,753 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2021-05-22 00:03:33,914 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-05-22 00:03:34,207 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-05-22 00:03:34,382 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-05-22 00:03:34,519 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-05-22 00:03:34,687 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-05-22 00:03:34,984 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-05-22 00:03:35,154 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-05-22 00:03:35,318 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-22 00:03:35,452 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-05-22 00:03:35,629 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:03:35,852 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-05-22 00:03:36,031 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-22 00:03:36,207 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-05-22 00:03:36,362 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-05-22 00:03:36,637 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-05-22 00:03:36,850 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-22 00:03:37,038 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-05-22 00:03:37,279 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-05-22 00:03:37,483 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-05-22 00:03:37,666 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-22 00:03:37,938 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:03:38,201 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-22 00:03:38,374 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-05-22 00:03:38,629 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-22 00:03:38,851 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-22 00:03:39,061 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-22 00:03:39,260 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-05-22 00:03:39,598 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-22 00:03:39,810 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-05-22 00:03:40,132 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-05-22 00:03:40,348 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-05-22 00:03:40,608 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-05-22 00:03:40,820 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-05-22 00:03:41,136 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-05-22 00:03:41,368 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:03:41,752 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-22 00:03:42,170 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-05-22 00:03:42,576 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-05-22 00:03:42,937 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-22 00:03:43,300 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-05-22 00:03:44,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:03:44,806 INFO L93 Difference]: Finished difference Result 179839 states and 555037 transitions. [2021-05-22 00:03:44,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-05-22 00:03:44,817 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:03:44,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:03:45,088 INFO L225 Difference]: With dead ends: 179839 [2021-05-22 00:03:45,089 INFO L226 Difference]: Without dead ends: 179839 [2021-05-22 00:03:45,089 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2171 ImplicationChecksByTransitivity, 12689.9ms TimeCoverageRelationStatistics Valid=3930, Invalid=9410, Unknown=0, NotChecked=0, Total=13340 [2021-05-22 00:03:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179839 states. [2021-05-22 00:03:47,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179839 to 119620. [2021-05-22 00:03:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119620 states, 119616 states have (on average 3.0960406634563937) internal successors, (370336), 119619 states have internal predecessors, (370336), 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) [2021-05-22 00:03:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119620 states to 119620 states and 370336 transitions. [2021-05-22 00:03:48,000 INFO L78 Accepts]: Start accepts. Automaton has 119620 states and 370336 transitions. Word has length 95 [2021-05-22 00:03:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:03:48,000 INFO L482 AbstractCegarLoop]: Abstraction has 119620 states and 370336 transitions. [2021-05-22 00:03:48,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:03:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 119620 states and 370336 transitions. [2021-05-22 00:03:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:03:48,097 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:03:48,097 INFO L521 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] [2021-05-22 00:03:48,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-22 00:03:48,097 INFO L430 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:03:48,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:03:48,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2644557, now seen corresponding path program 9 times [2021-05-22 00:03:48,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:03:48,098 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842330366] [2021-05-22 00:03:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:03:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:03:48,741 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2021-05-22 00:03:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:03:49,225 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:03:49,225 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842330366] [2021-05-22 00:03:49,225 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842330366] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:03:49,225 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:03:49,225 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:03:49,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189454413] [2021-05-22 00:03:49,226 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:03:49,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:03:49,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:03:49,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:03:49,226 INFO L87 Difference]: Start difference. First operand 119620 states and 370336 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:03:50,818 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-05-22 00:03:51,100 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-05-22 00:03:51,698 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-22 00:03:52,212 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 62 [2021-05-22 00:03:52,805 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2021-05-22 00:03:53,214 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 66 [2021-05-22 00:03:53,358 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-05-22 00:03:53,516 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-05-22 00:03:53,945 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-05-22 00:03:54,130 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2021-05-22 00:03:54,277 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:03:54,574 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2021-05-22 00:03:54,739 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-05-22 00:03:54,951 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-05-22 00:03:55,079 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-05-22 00:03:55,374 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-05-22 00:03:55,548 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 73 [2021-05-22 00:03:55,728 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2021-05-22 00:03:56,161 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-05-22 00:03:56,338 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 72 [2021-05-22 00:03:56,503 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 71 [2021-05-22 00:03:56,700 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-05-22 00:03:56,837 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:03:57,049 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 72 [2021-05-22 00:03:57,231 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 74 [2021-05-22 00:03:57,401 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-05-22 00:03:57,593 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2021-05-22 00:03:57,824 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 76 [2021-05-22 00:03:58,022 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-22 00:03:58,195 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-05-22 00:03:58,440 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 77 [2021-05-22 00:03:58,668 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-05-22 00:03:58,854 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-05-22 00:03:59,119 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-05-22 00:03:59,350 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-05-22 00:03:59,525 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-05-22 00:03:59,779 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-05-22 00:04:00,004 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-05-22 00:04:00,217 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-05-22 00:04:00,412 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-22 00:04:00,763 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-05-22 00:04:00,965 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 75 [2021-05-22 00:04:01,265 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2021-05-22 00:04:01,488 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 80 [2021-05-22 00:04:01,753 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 87 [2021-05-22 00:04:01,972 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 80 [2021-05-22 00:04:02,270 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2021-05-22 00:04:02,510 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2021-05-22 00:04:02,866 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-05-22 00:04:03,320 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-05-22 00:04:03,726 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 94 [2021-05-22 00:04:04,112 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 90 [2021-05-22 00:04:04,506 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 95 [2021-05-22 00:04:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:04:06,090 INFO L93 Difference]: Finished difference Result 174677 states and 539348 transitions. [2021-05-22 00:04:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-05-22 00:04:06,090 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:04:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:04:06,326 INFO L225 Difference]: With dead ends: 174677 [2021-05-22 00:04:06,327 INFO L226 Difference]: Without dead ends: 174677 [2021-05-22 00:04:06,327 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2197 ImplicationChecksByTransitivity, 13575.7ms TimeCoverageRelationStatistics Valid=4010, Invalid=9562, Unknown=0, NotChecked=0, Total=13572 [2021-05-22 00:04:07,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174677 states. [2021-05-22 00:04:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174677 to 119704. [2021-05-22 00:04:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119704 states, 119700 states have (on average 3.0961821219715957) internal successors, (370613), 119703 states have internal predecessors, (370613), 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) [2021-05-22 00:04:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119704 states to 119704 states and 370613 transitions. [2021-05-22 00:04:09,224 INFO L78 Accepts]: Start accepts. Automaton has 119704 states and 370613 transitions. Word has length 95 [2021-05-22 00:04:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:04:09,224 INFO L482 AbstractCegarLoop]: Abstraction has 119704 states and 370613 transitions. [2021-05-22 00:04:09,224 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:04:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 119704 states and 370613 transitions. [2021-05-22 00:04:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:04:09,312 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:04:09,312 INFO L521 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] [2021-05-22 00:04:09,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-22 00:04:09,313 INFO L430 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:04:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:04:09,313 INFO L82 PathProgramCache]: Analyzing trace with hash 454017609, now seen corresponding path program 10 times [2021-05-22 00:04:09,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:04:09,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018940458] [2021-05-22 00:04:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:04:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:04:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:04:09,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:04:09,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018940458] [2021-05-22 00:04:09,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018940458] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:04:09,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:04:09,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:04:09,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409114055] [2021-05-22 00:04:09,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:04:09,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:04:09,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:04:09,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:04:09,985 INFO L87 Difference]: Start difference. First operand 119704 states and 370613 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:04:10,659 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2021-05-22 00:04:11,729 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-05-22 00:04:11,867 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-05-22 00:04:12,085 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-05-22 00:04:12,446 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-05-22 00:04:12,644 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2021-05-22 00:04:13,549 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-05-22 00:04:14,098 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-05-22 00:04:14,565 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-22 00:04:14,715 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-05-22 00:04:14,852 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-05-22 00:04:15,157 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-05-22 00:04:15,340 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:04:15,502 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-05-22 00:04:15,939 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-05-22 00:04:16,089 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:04:16,521 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-22 00:04:16,731 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-05-22 00:04:16,925 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:04:17,082 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-05-22 00:04:17,230 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-05-22 00:04:17,451 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-05-22 00:04:17,656 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-22 00:04:17,849 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 82 [2021-05-22 00:04:18,010 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2021-05-22 00:04:18,249 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-05-22 00:04:18,496 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:04:18,672 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2021-05-22 00:04:18,892 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-05-22 00:04:19,102 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:04:19,342 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-22 00:04:19,508 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-05-22 00:04:19,744 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-05-22 00:04:19,971 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-05-22 00:04:20,244 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-05-22 00:04:20,430 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-05-22 00:04:20,634 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-05-22 00:04:20,876 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-05-22 00:04:21,086 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-05-22 00:04:21,330 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-22 00:04:21,615 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-05-22 00:04:21,813 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-05-22 00:04:22,067 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-22 00:04:22,317 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 85 [2021-05-22 00:04:22,535 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:04:22,822 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-22 00:04:23,042 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-22 00:04:23,346 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-05-22 00:04:23,584 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-05-22 00:04:23,930 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-05-22 00:04:24,320 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2021-05-22 00:04:24,718 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 94 [2021-05-22 00:04:25,046 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-05-22 00:04:25,478 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-05-22 00:04:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:04:27,122 INFO L93 Difference]: Finished difference Result 174900 states and 540866 transitions. [2021-05-22 00:04:27,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-05-22 00:04:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:04:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:04:27,410 INFO L225 Difference]: With dead ends: 174900 [2021-05-22 00:04:27,410 INFO L226 Difference]: Without dead ends: 174900 [2021-05-22 00:04:27,411 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 13407.8ms TimeCoverageRelationStatistics Valid=4150, Invalid=9892, Unknown=0, NotChecked=0, Total=14042 [2021-05-22 00:04:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174900 states. [2021-05-22 00:04:29,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174900 to 120012. [2021-05-22 00:04:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120012 states, 120008 states have (on average 3.096260249316712) internal successors, (371576), 120011 states have internal predecessors, (371576), 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) [2021-05-22 00:04:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120012 states to 120012 states and 371576 transitions. [2021-05-22 00:04:30,656 INFO L78 Accepts]: Start accepts. Automaton has 120012 states and 371576 transitions. Word has length 95 [2021-05-22 00:04:30,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:04:30,656 INFO L482 AbstractCegarLoop]: Abstraction has 120012 states and 371576 transitions. [2021-05-22 00:04:30,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:04:30,656 INFO L276 IsEmpty]: Start isEmpty. Operand 120012 states and 371576 transitions. [2021-05-22 00:04:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:04:30,747 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:04:30,747 INFO L521 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] [2021-05-22 00:04:30,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-22 00:04:30,748 INFO L430 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:04:30,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:04:30,748 INFO L82 PathProgramCache]: Analyzing trace with hash -139913109, now seen corresponding path program 11 times [2021-05-22 00:04:30,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:04:30,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626319452] [2021-05-22 00:04:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:04:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:04:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:04:31,230 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:04:31,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626319452] [2021-05-22 00:04:31,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626319452] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:04:31,231 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:04:31,231 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:04:31,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452693553] [2021-05-22 00:04:31,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:04:31,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:04:31,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:04:31,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:04:31,232 INFO L87 Difference]: Start difference. First operand 120012 states and 371576 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:04:33,309 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:04:33,656 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:04:33,928 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-22 00:04:34,100 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-05-22 00:04:35,185 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-05-22 00:04:35,760 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:04:36,228 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:04:36,375 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:04:36,521 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:04:36,873 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:04:37,031 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:04:37,464 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:04:37,622 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:04:37,789 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-05-22 00:04:38,243 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:04:38,423 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-22 00:04:38,562 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:04:38,698 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-05-22 00:04:38,942 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-05-22 00:04:39,124 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-22 00:04:39,279 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-05-22 00:04:39,506 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-05-22 00:04:39,695 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:04:39,866 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:04:40,107 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-05-22 00:04:40,312 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-22 00:04:40,470 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:04:40,728 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-22 00:04:40,935 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-22 00:04:41,129 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:04:41,304 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-22 00:04:41,518 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:04:41,793 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 90 [2021-05-22 00:04:41,974 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-05-22 00:04:42,271 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 88 [2021-05-22 00:04:42,497 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-05-22 00:04:42,740 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-05-22 00:04:42,940 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-05-22 00:04:43,149 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:04:43,406 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-05-22 00:04:43,623 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-05-22 00:04:43,849 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-05-22 00:04:44,143 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 97 [2021-05-22 00:04:44,443 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-22 00:04:44,774 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 100 [2021-05-22 00:04:45,061 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-22 00:04:45,369 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2021-05-22 00:04:45,607 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-05-22 00:04:45,931 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-05-22 00:04:46,161 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:04:46,550 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 100 [2021-05-22 00:04:46,798 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:04:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:04:48,629 INFO L93 Difference]: Finished difference Result 175918 states and 543182 transitions. [2021-05-22 00:04:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-05-22 00:04:48,629 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:04:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:04:48,900 INFO L225 Difference]: With dead ends: 175918 [2021-05-22 00:04:48,900 INFO L226 Difference]: Without dead ends: 175918 [2021-05-22 00:04:48,901 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2406 ImplicationChecksByTransitivity, 12679.4ms TimeCoverageRelationStatistics Valid=4161, Invalid=10119, Unknown=0, NotChecked=0, Total=14280 [2021-05-22 00:04:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175918 states. [2021-05-22 00:04:51,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175918 to 120012. [2021-05-22 00:04:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120012 states, 120008 states have (on average 3.096260249316712) internal successors, (371576), 120011 states have internal predecessors, (371576), 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) [2021-05-22 00:04:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120012 states to 120012 states and 371576 transitions. [2021-05-22 00:04:52,038 INFO L78 Accepts]: Start accepts. Automaton has 120012 states and 371576 transitions. Word has length 95 [2021-05-22 00:04:52,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:04:52,038 INFO L482 AbstractCegarLoop]: Abstraction has 120012 states and 371576 transitions. [2021-05-22 00:04:52,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:04:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 120012 states and 371576 transitions. [2021-05-22 00:04:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:04:52,152 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:04:52,152 INFO L521 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] [2021-05-22 00:04:52,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-22 00:04:52,153 INFO L430 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:04:52,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:04:52,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1925386835, now seen corresponding path program 12 times [2021-05-22 00:04:52,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:04:52,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453396582] [2021-05-22 00:04:52,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:04:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:04:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:04:52,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:04:52,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453396582] [2021-05-22 00:04:52,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453396582] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:04:52,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:04:52,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:04:52,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218337996] [2021-05-22 00:04:52,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:04:52,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:04:52,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:04:52,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:04:52,854 INFO L87 Difference]: Start difference. First operand 120012 states and 371576 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:04:54,151 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-05-22 00:04:54,353 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-05-22 00:04:54,707 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 81 [2021-05-22 00:04:55,397 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 66 [2021-05-22 00:04:55,527 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2021-05-22 00:04:55,825 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-05-22 00:04:56,168 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-05-22 00:04:56,327 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-05-22 00:04:56,479 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-05-22 00:04:56,685 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-05-22 00:04:56,856 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-22 00:04:56,982 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2021-05-22 00:04:57,164 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-05-22 00:04:57,328 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2021-05-22 00:04:57,483 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:04:57,810 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-05-22 00:04:57,978 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 74 [2021-05-22 00:04:58,149 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-05-22 00:04:58,283 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-05-22 00:04:58,505 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-05-22 00:04:58,685 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-22 00:04:58,843 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-05-22 00:04:59,048 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-05-22 00:04:59,237 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 78 [2021-05-22 00:04:59,406 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 75 [2021-05-22 00:04:59,651 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:04:59,854 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-05-22 00:05:00,048 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-05-22 00:05:00,258 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2021-05-22 00:05:00,465 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-05-22 00:05:00,661 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-05-22 00:05:00,839 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-05-22 00:05:01,114 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-05-22 00:05:01,298 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-05-22 00:05:01,575 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-05-22 00:05:01,782 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 80 [2021-05-22 00:05:02,052 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-05-22 00:05:02,253 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-05-22 00:05:02,513 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 91 [2021-05-22 00:05:02,793 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2021-05-22 00:05:03,127 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-05-22 00:05:03,445 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 96 [2021-05-22 00:05:03,788 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 94 [2021-05-22 00:05:04,204 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 90 [2021-05-22 00:05:04,582 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-05-22 00:05:06,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:05:06,236 INFO L93 Difference]: Finished difference Result 153022 states and 472538 transitions. [2021-05-22 00:05:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-05-22 00:05:06,237 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:05:06,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:05:06,488 INFO L225 Difference]: With dead ends: 153022 [2021-05-22 00:05:06,488 INFO L226 Difference]: Without dead ends: 153022 [2021-05-22 00:05:06,489 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1428 ImplicationChecksByTransitivity, 10178.0ms TimeCoverageRelationStatistics Valid=2842, Invalid=6664, Unknown=0, NotChecked=0, Total=9506 [2021-05-22 00:05:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153022 states. [2021-05-22 00:05:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153022 to 119312. [2021-05-22 00:05:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119312 states, 119308 states have (on average 3.0966154826164214) internal successors, (369451), 119311 states have internal predecessors, (369451), 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) [2021-05-22 00:05:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119312 states to 119312 states and 369451 transitions. [2021-05-22 00:05:09,446 INFO L78 Accepts]: Start accepts. Automaton has 119312 states and 369451 transitions. Word has length 95 [2021-05-22 00:05:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:05:09,446 INFO L482 AbstractCegarLoop]: Abstraction has 119312 states and 369451 transitions. [2021-05-22 00:05:09,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:05:09,447 INFO L276 IsEmpty]: Start isEmpty. Operand 119312 states and 369451 transitions. [2021-05-22 00:05:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:05:09,536 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:05:09,536 INFO L521 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] [2021-05-22 00:05:09,536 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-22 00:05:09,536 INFO L430 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:05:09,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:05:09,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1389873371, now seen corresponding path program 13 times [2021-05-22 00:05:09,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:05:09,537 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041140791] [2021-05-22 00:05:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:05:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:05:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:05:10,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:05:10,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041140791] [2021-05-22 00:05:10,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041140791] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:05:10,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:05:10,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:05:10,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434156348] [2021-05-22 00:05:10,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:05:10,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:05:10,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:05:10,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:05:10,168 INFO L87 Difference]: Start difference. First operand 119312 states and 369451 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:05:11,096 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-05-22 00:05:11,854 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-05-22 00:05:12,078 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-05-22 00:05:12,479 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2021-05-22 00:05:12,826 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2021-05-22 00:05:13,062 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-05-22 00:05:13,605 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2021-05-22 00:05:13,888 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-05-22 00:05:14,027 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-05-22 00:05:14,212 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-05-22 00:05:14,486 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-05-22 00:05:14,685 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:05:14,820 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-05-22 00:05:14,972 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-05-22 00:05:15,126 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-05-22 00:05:15,342 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:05:15,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-05-22 00:05:15,630 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-05-22 00:05:15,795 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-05-22 00:05:15,977 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 77 [2021-05-22 00:05:16,263 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-05-22 00:05:16,450 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-05-22 00:05:16,615 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-22 00:05:16,804 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-05-22 00:05:16,933 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2021-05-22 00:05:17,116 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-05-22 00:05:17,310 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-22 00:05:17,460 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-05-22 00:05:17,658 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:05:17,864 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-05-22 00:05:18,053 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-22 00:05:18,220 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:05:18,498 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-05-22 00:05:18,748 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-05-22 00:05:18,937 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-22 00:05:19,199 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:05:19,454 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-22 00:05:19,623 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-05-22 00:05:19,862 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-22 00:05:20,078 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-22 00:05:20,280 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-22 00:05:20,469 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-05-22 00:05:20,792 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-22 00:05:20,987 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-05-22 00:05:21,319 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-05-22 00:05:21,532 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-05-22 00:05:21,785 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-05-22 00:05:22,027 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-05-22 00:05:22,338 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-05-22 00:05:22,564 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:05:22,888 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-22 00:05:23,326 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-05-22 00:05:23,737 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-05-22 00:05:24,130 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-22 00:05:24,493 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-05-22 00:05:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:05:26,181 INFO L93 Difference]: Finished difference Result 178102 states and 550345 transitions. [2021-05-22 00:05:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-05-22 00:05:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:05:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:05:26,486 INFO L225 Difference]: With dead ends: 178102 [2021-05-22 00:05:26,487 INFO L226 Difference]: Without dead ends: 178102 [2021-05-22 00:05:26,488 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1788 ImplicationChecksByTransitivity, 12097.4ms TimeCoverageRelationStatistics Valid=3456, Invalid=8100, Unknown=0, NotChecked=0, Total=11556 [2021-05-22 00:05:27,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178102 states. [2021-05-22 00:05:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178102 to 119396. [2021-05-22 00:05:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119396 states, 119392 states have (on average 3.0967569016349503) internal successors, (369728), 119395 states have internal predecessors, (369728), 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) [2021-05-22 00:05:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119396 states to 119396 states and 369728 transitions. [2021-05-22 00:05:29,695 INFO L78 Accepts]: Start accepts. Automaton has 119396 states and 369728 transitions. Word has length 95 [2021-05-22 00:05:29,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:05:29,695 INFO L482 AbstractCegarLoop]: Abstraction has 119396 states and 369728 transitions. [2021-05-22 00:05:29,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:05:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 119396 states and 369728 transitions. [2021-05-22 00:05:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:05:29,784 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:05:29,784 INFO L521 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] [2021-05-22 00:05:29,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-22 00:05:29,784 INFO L430 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:05:29,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:05:29,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1841246423, now seen corresponding path program 14 times [2021-05-22 00:05:29,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:05:29,784 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90738238] [2021-05-22 00:05:29,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:05:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:05:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:05:30,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:05:30,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90738238] [2021-05-22 00:05:30,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90738238] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:05:30,485 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:05:30,485 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:05:30,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635229676] [2021-05-22 00:05:30,486 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:05:30,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:05:30,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:05:30,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:05:30,486 INFO L87 Difference]: Start difference. First operand 119396 states and 369728 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:05:32,079 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-05-22 00:05:32,211 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-05-22 00:05:32,426 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-05-22 00:05:32,810 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:05:33,844 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2021-05-22 00:05:34,055 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-05-22 00:05:34,199 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-05-22 00:05:34,449 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-05-22 00:05:34,601 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-05-22 00:05:34,732 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2021-05-22 00:05:34,887 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2021-05-22 00:05:35,070 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-05-22 00:05:35,235 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 78 [2021-05-22 00:05:35,560 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-05-22 00:05:35,712 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2021-05-22 00:05:35,909 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2021-05-22 00:05:36,077 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-05-22 00:05:36,310 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-05-22 00:05:36,474 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-05-22 00:05:36,611 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-05-22 00:05:36,793 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 74 [2021-05-22 00:05:36,989 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 73 [2021-05-22 00:05:37,238 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-22 00:05:37,433 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 82 [2021-05-22 00:05:37,588 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2021-05-22 00:05:37,792 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-05-22 00:05:38,075 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:05:38,240 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-05-22 00:05:38,445 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-05-22 00:05:38,657 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:05:38,917 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-22 00:05:39,075 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-05-22 00:05:39,284 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-05-22 00:05:39,518 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 84 [2021-05-22 00:05:39,770 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-22 00:05:40,011 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-05-22 00:05:40,192 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-05-22 00:05:40,430 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-05-22 00:05:40,638 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 80 [2021-05-22 00:05:40,889 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-05-22 00:05:41,156 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-05-22 00:05:41,355 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 76 [2021-05-22 00:05:41,625 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-22 00:05:41,887 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-05-22 00:05:42,107 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-05-22 00:05:42,356 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:05:42,574 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:05:42,865 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 91 [2021-05-22 00:05:43,100 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 86 [2021-05-22 00:05:43,452 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 95 [2021-05-22 00:05:43,839 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2021-05-22 00:05:44,273 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-05-22 00:05:44,586 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:05:44,949 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:05:46,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:05:46,535 INFO L93 Difference]: Finished difference Result 178352 states and 551945 transitions. [2021-05-22 00:05:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-05-22 00:05:46,536 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:05:46,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:05:46,804 INFO L225 Difference]: With dead ends: 178352 [2021-05-22 00:05:46,805 INFO L226 Difference]: Without dead ends: 178352 [2021-05-22 00:05:46,805 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 12344.8ms TimeCoverageRelationStatistics Valid=3596, Invalid=8394, Unknown=0, NotChecked=0, Total=11990 [2021-05-22 00:05:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178352 states. [2021-05-22 00:05:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178352 to 119704. [2021-05-22 00:05:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119704 states, 119700 states have (on average 3.096833751044277) internal successors, (370691), 119703 states have internal predecessors, (370691), 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) [2021-05-22 00:05:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119704 states to 119704 states and 370691 transitions. [2021-05-22 00:05:49,829 INFO L78 Accepts]: Start accepts. Automaton has 119704 states and 370691 transitions. Word has length 95 [2021-05-22 00:05:49,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:05:49,829 INFO L482 AbstractCegarLoop]: Abstraction has 119704 states and 370691 transitions. [2021-05-22 00:05:49,829 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:05:49,829 INFO L276 IsEmpty]: Start isEmpty. Operand 119704 states and 370691 transitions. [2021-05-22 00:05:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:05:49,929 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:05:49,929 INFO L521 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] [2021-05-22 00:05:49,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-22 00:05:49,929 INFO L430 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:05:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:05:49,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1247315705, now seen corresponding path program 15 times [2021-05-22 00:05:49,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:05:49,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874234517] [2021-05-22 00:05:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:05:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:05:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:05:50,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:05:50,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874234517] [2021-05-22 00:05:50,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874234517] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:05:50,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:05:50,402 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:05:50,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087505728] [2021-05-22 00:05:50,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:05:50,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:05:50,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:05:50,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:05:50,403 INFO L87 Difference]: Start difference. First operand 119704 states and 370691 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:05:52,447 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:05:52,766 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:05:53,088 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-22 00:05:53,255 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-05-22 00:05:54,756 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:05:54,898 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:05:55,031 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-05-22 00:05:55,239 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:05:55,390 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:05:55,699 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:05:55,852 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:05:56,011 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-05-22 00:05:56,340 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:05:56,509 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-22 00:05:56,645 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:05:56,775 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-05-22 00:05:57,006 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:05:57,223 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-22 00:05:57,374 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-05-22 00:05:57,595 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-22 00:05:57,781 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-22 00:05:57,941 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:05:58,185 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:05:58,411 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-22 00:05:58,569 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:05:58,791 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-22 00:05:58,995 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-22 00:05:59,203 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:05:59,374 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-22 00:05:59,564 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-22 00:05:59,839 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-22 00:06:00,016 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:06:00,285 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-22 00:06:00,480 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-22 00:06:00,736 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-05-22 00:06:00,932 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:06:01,160 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-05-22 00:06:01,405 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:06:01,619 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-22 00:06:01,835 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-05-22 00:06:02,125 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-22 00:06:02,363 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-22 00:06:02,680 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-22 00:06:02,940 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-05-22 00:06:03,282 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-22 00:06:03,533 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-05-22 00:06:03,884 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:06:04,124 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-05-22 00:06:04,449 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-05-22 00:06:04,700 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-05-22 00:06:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:06:06,393 INFO L93 Difference]: Finished difference Result 179370 states and 554261 transitions. [2021-05-22 00:06:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-05-22 00:06:06,394 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:06:06,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:06:06,680 INFO L225 Difference]: With dead ends: 179370 [2021-05-22 00:06:06,680 INFO L226 Difference]: Without dead ends: 179370 [2021-05-22 00:06:06,681 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 11743.8ms TimeCoverageRelationStatistics Valid=3607, Invalid=8603, Unknown=0, NotChecked=0, Total=12210 [2021-05-22 00:06:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179370 states. [2021-05-22 00:06:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179370 to 119284. [2021-05-22 00:06:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119284 states, 119280 states have (on average 3.0966297786720323) internal successors, (369366), 119283 states have internal predecessors, (369366), 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) [2021-05-22 00:06:09,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119284 states to 119284 states and 369366 transitions. [2021-05-22 00:06:09,591 INFO L78 Accepts]: Start accepts. Automaton has 119284 states and 369366 transitions. Word has length 95 [2021-05-22 00:06:09,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:06:09,591 INFO L482 AbstractCegarLoop]: Abstraction has 119284 states and 369366 transitions. [2021-05-22 00:06:09,591 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:06:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 119284 states and 369366 transitions. [2021-05-22 00:06:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:06:09,690 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:06:09,690 INFO L521 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] [2021-05-22 00:06:09,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-22 00:06:09,690 INFO L430 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:06:09,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:06:09,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1515761877, now seen corresponding path program 16 times [2021-05-22 00:06:09,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:06:09,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578399835] [2021-05-22 00:06:09,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:06:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:06:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:06:10,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:06:10,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578399835] [2021-05-22 00:06:10,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578399835] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:06:10,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:06:10,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:06:10,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387202884] [2021-05-22 00:06:10,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:06:10,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:06:10,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:06:10,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=848, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:06:10,735 INFO L87 Difference]: Start difference. First operand 119284 states and 369366 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:06:11,773 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2021-05-22 00:06:11,959 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-05-22 00:06:12,459 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2021-05-22 00:06:12,898 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-05-22 00:06:13,028 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-05-22 00:06:13,201 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-05-22 00:06:13,384 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-05-22 00:06:13,532 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-05-22 00:06:13,716 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-05-22 00:06:13,873 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 75 [2021-05-22 00:06:14,056 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 73 [2021-05-22 00:06:14,214 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-05-22 00:06:14,384 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 73 [2021-05-22 00:06:14,609 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-05-22 00:06:14,789 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-22 00:06:14,937 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-05-22 00:06:15,150 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-05-22 00:06:15,326 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-05-22 00:06:15,482 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:06:15,681 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-05-22 00:06:15,867 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-05-22 00:06:16,034 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-22 00:06:16,261 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:06:16,480 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 81 [2021-05-22 00:06:16,641 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-05-22 00:06:16,850 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-05-22 00:06:17,053 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-05-22 00:06:17,258 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-05-22 00:06:17,433 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-05-22 00:06:17,689 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2021-05-22 00:06:17,874 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2021-05-22 00:06:18,122 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 84 [2021-05-22 00:06:18,350 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 80 [2021-05-22 00:06:18,573 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-05-22 00:06:18,773 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2021-05-22 00:06:19,012 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-05-22 00:06:19,230 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:06:19,495 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-22 00:06:19,790 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 96 [2021-05-22 00:06:20,108 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-05-22 00:06:20,459 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-22 00:06:20,788 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 95 [2021-05-22 00:06:21,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:06:21,940 INFO L93 Difference]: Finished difference Result 147589 states and 456026 transitions. [2021-05-22 00:06:21,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-05-22 00:06:21,940 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:06:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:06:22,164 INFO L225 Difference]: With dead ends: 147589 [2021-05-22 00:06:22,164 INFO L226 Difference]: Without dead ends: 147589 [2021-05-22 00:06:22,165 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 9404.6ms TimeCoverageRelationStatistics Valid=2408, Invalid=5602, Unknown=0, NotChecked=0, Total=8010 [2021-05-22 00:06:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147589 states. [2021-05-22 00:06:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147589 to 117184. [2021-05-22 00:06:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117184 states, 117180 states have (on average 3.0930278204471753) internal successors, (362441), 117183 states have internal predecessors, (362441), 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) [2021-05-22 00:06:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117184 states to 117184 states and 362441 transitions. [2021-05-22 00:06:25,044 INFO L78 Accepts]: Start accepts. Automaton has 117184 states and 362441 transitions. Word has length 95 [2021-05-22 00:06:25,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:06:25,044 INFO L482 AbstractCegarLoop]: Abstraction has 117184 states and 362441 transitions. [2021-05-22 00:06:25,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:06:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 117184 states and 362441 transitions. [2021-05-22 00:06:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:06:25,131 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:06:25,131 INFO L521 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] [2021-05-22 00:06:25,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-22 00:06:25,132 INFO L430 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:06:25,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:06:25,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1064388825, now seen corresponding path program 17 times [2021-05-22 00:06:25,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:06:25,132 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810139698] [2021-05-22 00:06:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:06:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:06:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:06:25,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:06:25,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810139698] [2021-05-22 00:06:25,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810139698] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:06:25,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:06:25,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:06:25,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690248249] [2021-05-22 00:06:25,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:06:25,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:06:25,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:06:25,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:06:25,749 INFO L87 Difference]: Start difference. First operand 117184 states and 362441 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:06:27,347 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-22 00:06:27,476 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:06:27,690 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-05-22 00:06:28,077 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-05-22 00:06:28,971 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-05-22 00:06:29,237 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:06:29,374 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-05-22 00:06:29,523 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-05-22 00:06:29,698 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:06:29,843 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2021-05-22 00:06:30,025 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:06:30,169 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-05-22 00:06:30,330 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-22 00:06:30,533 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-22 00:06:30,690 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-05-22 00:06:30,821 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-05-22 00:06:31,009 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-05-22 00:06:31,211 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-22 00:06:31,380 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-05-22 00:06:31,524 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2021-05-22 00:06:31,711 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-05-22 00:06:31,933 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-22 00:06:32,090 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-05-22 00:06:32,277 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-05-22 00:06:32,470 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:06:32,716 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-22 00:06:32,867 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:06:33,084 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-22 00:06:33,297 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-22 00:06:33,536 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-05-22 00:06:33,703 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-05-22 00:06:33,875 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:06:34,092 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-05-22 00:06:34,286 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-22 00:06:34,515 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-22 00:06:34,766 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-05-22 00:06:34,973 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-05-22 00:06:35,217 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-05-22 00:06:35,445 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-05-22 00:06:35,671 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:06:35,910 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-22 00:06:36,122 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:06:36,393 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-05-22 00:06:36,625 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-05-22 00:06:36,971 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-05-22 00:06:37,313 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-05-22 00:06:37,670 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-05-22 00:06:37,964 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-22 00:06:38,302 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-05-22 00:06:39,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:06:39,849 INFO L93 Difference]: Finished difference Result 172796 states and 535059 transitions. [2021-05-22 00:06:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-05-22 00:06:39,849 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:06:39,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:06:40,101 INFO L225 Difference]: With dead ends: 172796 [2021-05-22 00:06:40,101 INFO L226 Difference]: Without dead ends: 172796 [2021-05-22 00:06:40,102 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1476 ImplicationChecksByTransitivity, 10516.6ms TimeCoverageRelationStatistics Valid=3062, Invalid=7038, Unknown=0, NotChecked=0, Total=10100 [2021-05-22 00:06:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172796 states. [2021-05-22 00:06:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172796 to 117492. [2021-05-22 00:06:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117492 states, 117488 states have (on average 3.093115892686913) internal successors, (363404), 117491 states have internal predecessors, (363404), 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) [2021-05-22 00:06:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117492 states to 117492 states and 363404 transitions. [2021-05-22 00:06:42,824 INFO L78 Accepts]: Start accepts. Automaton has 117492 states and 363404 transitions. Word has length 95 [2021-05-22 00:06:42,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:06:42,824 INFO L482 AbstractCegarLoop]: Abstraction has 117492 states and 363404 transitions. [2021-05-22 00:06:42,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:06:42,824 INFO L276 IsEmpty]: Start isEmpty. Operand 117492 states and 363404 transitions. [2021-05-22 00:06:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:06:43,329 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:06:43,329 INFO L521 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] [2021-05-22 00:06:43,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-22 00:06:43,330 INFO L430 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:06:43,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:06:43,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1658319543, now seen corresponding path program 18 times [2021-05-22 00:06:43,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:06:43,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653170191] [2021-05-22 00:06:43,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:06:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:06:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:06:43,893 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:06:43,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653170191] [2021-05-22 00:06:43,893 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653170191] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:06:43,893 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:06:43,893 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:06:43,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615326372] [2021-05-22 00:06:43,893 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:06:43,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:06:43,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:06:43,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:06:43,894 INFO L87 Difference]: Start difference. First operand 117492 states and 363404 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:06:45,602 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-05-22 00:06:45,765 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:06:46,076 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:06:46,259 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-22 00:06:46,410 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-05-22 00:06:46,642 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2021-05-22 00:06:46,989 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2021-05-22 00:06:47,122 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2021-05-22 00:06:47,323 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:06:47,542 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:06:47,690 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-05-22 00:06:47,918 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:06:48,079 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-05-22 00:06:48,299 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:06:48,456 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:06:48,596 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-05-22 00:06:48,800 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:06:48,959 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-22 00:06:49,091 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-05-22 00:06:49,305 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:06:49,473 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-22 00:06:49,619 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-05-22 00:06:49,824 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-22 00:06:50,044 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-22 00:06:50,200 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:06:50,434 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:06:50,632 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-22 00:06:50,780 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:06:50,997 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-22 00:06:51,197 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-22 00:06:51,378 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:06:51,555 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-22 00:06:51,723 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-22 00:06:52,017 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-22 00:06:52,189 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:06:52,435 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-22 00:06:52,624 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-22 00:06:52,844 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-05-22 00:06:53,036 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:06:53,231 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-05-22 00:06:53,457 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:06:53,661 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-22 00:06:53,872 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-05-22 00:06:54,181 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-22 00:06:54,416 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-22 00:06:54,712 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-22 00:06:54,966 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-05-22 00:06:55,244 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-22 00:06:55,470 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-05-22 00:06:55,772 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:06:56,043 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-05-22 00:06:56,352 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-05-22 00:06:56,583 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-05-22 00:06:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:06:58,256 INFO L93 Difference]: Finished difference Result 173814 states and 537375 transitions. [2021-05-22 00:06:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-05-22 00:06:58,257 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:06:58,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:06:58,508 INFO L225 Difference]: With dead ends: 173814 [2021-05-22 00:06:58,508 INFO L226 Difference]: Without dead ends: 173814 [2021-05-22 00:06:58,509 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1572 ImplicationChecksByTransitivity, 10846.1ms TimeCoverageRelationStatistics Valid=3073, Invalid=7229, Unknown=0, NotChecked=0, Total=10302 [2021-05-22 00:06:59,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173814 states. [2021-05-22 00:07:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173814 to 117100. [2021-05-22 00:07:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117100 states, 117096 states have (on average 3.092881054860969) internal successors, (362164), 117099 states have internal predecessors, (362164), 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) [2021-05-22 00:07:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117100 states to 117100 states and 362164 transitions. [2021-05-22 00:07:01,254 INFO L78 Accepts]: Start accepts. Automaton has 117100 states and 362164 transitions. Word has length 95 [2021-05-22 00:07:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:07:01,254 INFO L482 AbstractCegarLoop]: Abstraction has 117100 states and 362164 transitions. [2021-05-22 00:07:01,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:07:01,254 INFO L276 IsEmpty]: Start isEmpty. Operand 117100 states and 362164 transitions. [2021-05-22 00:07:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:07:01,347 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:07:01,347 INFO L521 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] [2021-05-22 00:07:01,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-22 00:07:01,347 INFO L430 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:07:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:07:01,347 INFO L82 PathProgramCache]: Analyzing trace with hash 75426557, now seen corresponding path program 19 times [2021-05-22 00:07:01,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:07:01,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901895690] [2021-05-22 00:07:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:07:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:07:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:07:01,978 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:07:01,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901895690] [2021-05-22 00:07:01,979 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901895690] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:07:01,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:07:01,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:07:01,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064802837] [2021-05-22 00:07:01,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:07:01,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:07:01,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:07:01,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:07:01,980 INFO L87 Difference]: Start difference. First operand 117100 states and 362164 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:07:03,518 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:07:03,646 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-05-22 00:07:03,858 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-05-22 00:07:04,251 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-05-22 00:07:05,005 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-05-22 00:07:05,161 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2021-05-22 00:07:05,363 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:07:05,563 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-22 00:07:05,722 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:07:05,928 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-05-22 00:07:06,086 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-22 00:07:06,244 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-05-22 00:07:06,452 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-05-22 00:07:06,623 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-22 00:07:06,856 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-05-22 00:07:07,079 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-05-22 00:07:07,279 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:07:07,481 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-05-22 00:07:07,649 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 80 [2021-05-22 00:07:07,887 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-22 00:07:08,084 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-22 00:07:08,275 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 86 [2021-05-22 00:07:08,428 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:07:08,622 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:07:08,845 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-05-22 00:07:09,028 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-22 00:07:09,213 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2021-05-22 00:07:09,377 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-05-22 00:07:09,624 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-05-22 00:07:09,801 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-05-22 00:07:09,985 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-05-22 00:07:10,218 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-05-22 00:07:10,411 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:07:10,602 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2021-05-22 00:07:10,811 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-22 00:07:11,043 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:07:11,283 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-05-22 00:07:11,495 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-05-22 00:07:11,753 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-05-22 00:07:12,037 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-05-22 00:07:12,310 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-05-22 00:07:12,605 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-22 00:07:12,921 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-05-22 00:07:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:07:14,269 INFO L93 Difference]: Finished difference Result 155984 states and 483191 transitions. [2021-05-22 00:07:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-05-22 00:07:14,269 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:07:14,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:07:14,505 INFO L225 Difference]: With dead ends: 155984 [2021-05-22 00:07:14,506 INFO L226 Difference]: Without dead ends: 155984 [2021-05-22 00:07:14,506 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 9127.0ms TimeCoverageRelationStatistics Valid=2548, Invalid=5824, Unknown=0, NotChecked=0, Total=8372 [2021-05-22 00:07:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155984 states. [2021-05-22 00:07:16,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155984 to 117352. [2021-05-22 00:07:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117352 states, 117348 states have (on average 3.0929968981150084) internal successors, (362957), 117351 states have internal predecessors, (362957), 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) [2021-05-22 00:07:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117352 states to 117352 states and 362957 transitions. [2021-05-22 00:07:17,540 INFO L78 Accepts]: Start accepts. Automaton has 117352 states and 362957 transitions. Word has length 95 [2021-05-22 00:07:17,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:07:17,540 INFO L482 AbstractCegarLoop]: Abstraction has 117352 states and 362957 transitions. [2021-05-22 00:07:17,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:07:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand 117352 states and 362957 transitions. [2021-05-22 00:07:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:07:17,655 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:07:17,655 INFO L521 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] [2021-05-22 00:07:17,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-22 00:07:17,655 INFO L430 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:07:17,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:07:17,656 INFO L82 PathProgramCache]: Analyzing trace with hash -518504161, now seen corresponding path program 20 times [2021-05-22 00:07:17,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:07:17,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434249751] [2021-05-22 00:07:17,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:07:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:07:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:07:18,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:07:18,178 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434249751] [2021-05-22 00:07:18,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434249751] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:07:18,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:07:18,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:07:18,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976576938] [2021-05-22 00:07:18,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:07:18,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:07:18,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:07:18,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:07:18,179 INFO L87 Difference]: Start difference. First operand 117352 states and 362957 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:07:19,404 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-05-22 00:07:19,893 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2021-05-22 00:07:20,221 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:07:20,405 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-22 00:07:20,560 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-05-22 00:07:21,232 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:07:21,416 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2021-05-22 00:07:21,609 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2021-05-22 00:07:21,758 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:07:22,001 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:07:22,157 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2021-05-22 00:07:22,360 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:07:22,526 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-22 00:07:22,715 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-22 00:07:22,888 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-22 00:07:23,071 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:07:23,309 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:07:23,495 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-22 00:07:23,649 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:07:23,858 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-22 00:07:24,092 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 89 [2021-05-22 00:07:24,265 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:07:24,430 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-22 00:07:24,592 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-05-22 00:07:24,834 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-22 00:07:25,005 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:07:25,239 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 90 [2021-05-22 00:07:25,426 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-22 00:07:25,638 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-05-22 00:07:25,827 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 87 [2021-05-22 00:07:26,066 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-05-22 00:07:26,291 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:07:26,498 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 92 [2021-05-22 00:07:26,701 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-05-22 00:07:26,955 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-22 00:07:27,181 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-22 00:07:27,456 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-22 00:07:27,700 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-05-22 00:07:28,011 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-22 00:07:28,230 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-05-22 00:07:28,536 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:07:28,768 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-05-22 00:07:29,090 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-05-22 00:07:29,333 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-05-22 00:07:31,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:07:31,089 INFO L93 Difference]: Finished difference Result 155238 states and 480152 transitions. [2021-05-22 00:07:31,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-05-22 00:07:31,089 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:07:31,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:07:31,337 INFO L225 Difference]: With dead ends: 155238 [2021-05-22 00:07:31,337 INFO L226 Difference]: Without dead ends: 155238 [2021-05-22 00:07:31,337 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 9435.0ms TimeCoverageRelationStatistics Valid=2559, Invalid=5997, Unknown=0, NotChecked=0, Total=8556 [2021-05-22 00:07:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155238 states. [2021-05-22 00:07:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155238 to 115644. [2021-05-22 00:07:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115644 states, 115640 states have (on average 3.0936008301625737) internal successors, (357744), 115643 states have internal predecessors, (357744), 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) [2021-05-22 00:07:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115644 states to 115644 states and 357744 transitions. [2021-05-22 00:07:34,668 INFO L78 Accepts]: Start accepts. Automaton has 115644 states and 357744 transitions. Word has length 95 [2021-05-22 00:07:34,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:07:34,668 INFO L482 AbstractCegarLoop]: Abstraction has 115644 states and 357744 transitions. [2021-05-22 00:07:34,668 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:07:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 115644 states and 357744 transitions. [2021-05-22 00:07:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:07:34,770 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:07:34,770 INFO L521 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] [2021-05-22 00:07:34,770 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-22 00:07:34,771 INFO L430 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:07:34,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:07:34,771 INFO L82 PathProgramCache]: Analyzing trace with hash -922206625, now seen corresponding path program 21 times [2021-05-22 00:07:34,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:07:34,771 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602668257] [2021-05-22 00:07:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:07:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:07:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:07:36,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:07:36,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602668257] [2021-05-22 00:07:36,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602668257] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:07:36,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:07:36,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:07:36,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862852658] [2021-05-22 00:07:36,052 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:07:36,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:07:36,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:07:36,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:07:36,052 INFO L87 Difference]: Start difference. First operand 115644 states and 357744 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:07:37,009 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-05-22 00:07:37,154 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-05-22 00:07:37,367 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-05-22 00:07:37,707 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2021-05-22 00:07:38,344 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-05-22 00:07:38,549 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-05-22 00:07:38,752 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-05-22 00:07:38,955 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-05-22 00:07:39,156 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-05-22 00:07:39,331 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:07:39,542 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-05-22 00:07:39,740 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-05-22 00:07:39,929 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:07:40,127 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-05-22 00:07:40,334 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-05-22 00:07:40,605 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-05-22 00:07:40,780 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-05-22 00:07:41,006 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-05-22 00:07:41,194 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2021-05-22 00:07:41,409 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-05-22 00:07:41,605 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 81 [2021-05-22 00:07:41,833 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 91 [2021-05-22 00:07:42,037 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 86 [2021-05-22 00:07:42,302 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 95 [2021-05-22 00:07:42,568 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2021-05-22 00:07:42,845 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 94 [2021-05-22 00:07:43,119 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 90 [2021-05-22 00:07:43,418 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 95 [2021-05-22 00:07:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:07:44,653 INFO L93 Difference]: Finished difference Result 137784 states and 426289 transitions. [2021-05-22 00:07:44,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-22 00:07:44,654 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:07:44,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:07:44,855 INFO L225 Difference]: With dead ends: 137784 [2021-05-22 00:07:44,856 INFO L226 Difference]: Without dead ends: 137784 [2021-05-22 00:07:44,856 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 6834.3ms TimeCoverageRelationStatistics Valid=1580, Invalid=3822, Unknown=0, NotChecked=0, Total=5402 [2021-05-22 00:07:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137784 states. [2021-05-22 00:07:47,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137784 to 109344. [2021-05-22 00:07:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109344 states, 109340 states have (on average 3.0905341137735505) internal successors, (337919), 109343 states have internal predecessors, (337919), 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) [2021-05-22 00:07:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109344 states to 109344 states and 337919 transitions. [2021-05-22 00:07:47,459 INFO L78 Accepts]: Start accepts. Automaton has 109344 states and 337919 transitions. Word has length 95 [2021-05-22 00:07:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:07:47,459 INFO L482 AbstractCegarLoop]: Abstraction has 109344 states and 337919 transitions. [2021-05-22 00:07:47,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:07:47,460 INFO L276 IsEmpty]: Start isEmpty. Operand 109344 states and 337919 transitions. [2021-05-22 00:07:47,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:07:47,552 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:07:47,553 INFO L521 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] [2021-05-22 00:07:47,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-22 00:07:47,553 INFO L430 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:07:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:07:47,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1516137343, now seen corresponding path program 22 times [2021-05-22 00:07:47,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:07:47,553 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933964952] [2021-05-22 00:07:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:07:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:07:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:07:48,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:07:48,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933964952] [2021-05-22 00:07:48,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933964952] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:07:48,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:07:48,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-05-22 00:07:48,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052183306] [2021-05-22 00:07:48,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-22 00:07:48,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:07:48,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-22 00:07:48,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=797, Unknown=0, NotChecked=0, Total=870 [2021-05-22 00:07:48,018 INFO L87 Difference]: Start difference. First operand 109344 states and 337919 transitions. Second operand has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:07:49,098 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 58 [2021-05-22 00:07:49,687 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 74 [2021-05-22 00:07:49,994 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-05-22 00:07:50,170 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 84 [2021-05-22 00:07:50,328 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 81 [2021-05-22 00:07:50,826 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-05-22 00:07:51,044 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2021-05-22 00:07:51,363 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-22 00:07:51,565 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:07:51,769 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-05-22 00:07:51,947 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-05-22 00:07:52,175 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-05-22 00:07:52,360 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 87 [2021-05-22 00:07:52,558 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2021-05-22 00:07:52,749 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 89 [2021-05-22 00:07:52,920 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:07:53,084 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2021-05-22 00:07:53,322 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-05-22 00:07:53,503 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2021-05-22 00:07:53,726 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 90 [2021-05-22 00:07:53,907 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 87 [2021-05-22 00:07:54,120 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 94 [2021-05-22 00:07:54,308 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 87 [2021-05-22 00:07:54,499 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 89 [2021-05-22 00:07:54,721 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:07:54,920 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 92 [2021-05-22 00:07:55,119 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-05-22 00:07:55,381 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 99 [2021-05-22 00:07:55,628 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 97 [2021-05-22 00:07:55,878 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 102 [2021-05-22 00:07:56,109 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 100 [2021-05-22 00:07:56,360 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2021-05-22 00:07:56,572 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2021-05-22 00:07:56,839 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 97 [2021-05-22 00:07:57,049 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2021-05-22 00:07:57,320 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 102 [2021-05-22 00:07:57,537 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2021-05-22 00:07:58,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:07:58,902 INFO L93 Difference]: Finished difference Result 141966 states and 439050 transitions. [2021-05-22 00:07:58,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-05-22 00:07:58,903 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 95 [2021-05-22 00:07:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:07:59,145 INFO L225 Difference]: With dead ends: 141966 [2021-05-22 00:07:59,145 INFO L226 Difference]: Without dead ends: 141966 [2021-05-22 00:07:59,146 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 8133.4ms TimeCoverageRelationStatistics Valid=2065, Invalid=4907, Unknown=0, NotChecked=0, Total=6972 [2021-05-22 00:08:00,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141966 states. [2021-05-22 00:08:01,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141966 to 109092. [2021-05-22 00:08:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109092 states, 109088 states have (on average 3.090404077442065) internal successors, (337126), 109091 states have internal predecessors, (337126), 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) [2021-05-22 00:08:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109092 states to 109092 states and 337126 transitions. [2021-05-22 00:08:01,696 INFO L78 Accepts]: Start accepts. Automaton has 109092 states and 337126 transitions. Word has length 95 [2021-05-22 00:08:01,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:08:01,697 INFO L482 AbstractCegarLoop]: Abstraction has 109092 states and 337126 transitions. [2021-05-22 00:08:01,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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) [2021-05-22 00:08:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 109092 states and 337126 transitions. [2021-05-22 00:08:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-22 00:08:01,786 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:08:01,786 INFO L521 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] [2021-05-22 00:08:01,787 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-22 00:08:01,787 INFO L430 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:08:01,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:08:01,787 INFO L82 PathProgramCache]: Analyzing trace with hash 330160261, now seen corresponding path program 23 times [2021-05-22 00:08:01,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:08:01,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19490040] [2021-05-22 00:08:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:08:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:08:02,340 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2021-05-22 00:08:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:08:02,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:08:02,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19490040] [2021-05-22 00:08:02,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19490040] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:08:02,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:08:02,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:08:02,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881156989] [2021-05-22 00:08:02,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:08:02,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:08:02,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:08:02,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:08:02,788 INFO L87 Difference]: Start difference. First operand 109092 states and 337126 transitions. Second operand has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:08:04,174 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-22 00:08:04,365 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-22 00:08:04,706 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 65 [2021-05-22 00:08:05,333 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-05-22 00:08:05,498 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-05-22 00:08:05,708 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-05-22 00:08:05,939 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 89 [2021-05-22 00:08:06,115 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-22 00:08:06,319 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-05-22 00:08:06,502 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 78 [2021-05-22 00:08:06,723 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-05-22 00:08:06,965 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-05-22 00:08:07,172 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-05-22 00:08:07,374 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 81 [2021-05-22 00:08:07,575 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 88 [2021-05-22 00:08:07,802 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-22 00:08:08,015 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 93 [2021-05-22 00:08:08,242 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2021-05-22 00:08:08,469 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-05-22 00:08:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:08:09,402 INFO L93 Difference]: Finished difference Result 126780 states and 391288 transitions. [2021-05-22 00:08:09,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-22 00:08:09,403 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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 95 [2021-05-22 00:08:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:08:09,596 INFO L225 Difference]: With dead ends: 126780 [2021-05-22 00:08:09,596 INFO L226 Difference]: Without dead ends: 126780 [2021-05-22 00:08:09,596 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 5218.0ms TimeCoverageRelationStatistics Valid=1201, Invalid=3221, Unknown=0, NotChecked=0, Total=4422 [2021-05-22 00:08:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126780 states. [2021-05-22 00:08:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126780 to 108448. [2021-05-22 00:08:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108448 states, 108444 states have (on average 3.090728855446129) internal successors, (335171), 108447 states have internal predecessors, (335171), 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) [2021-05-22 00:08:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108448 states to 108448 states and 335171 transitions. [2021-05-22 00:08:12,074 INFO L78 Accepts]: Start accepts. Automaton has 108448 states and 335171 transitions. Word has length 95 [2021-05-22 00:08:12,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:08:12,074 INFO L482 AbstractCegarLoop]: Abstraction has 108448 states and 335171 transitions. [2021-05-22 00:08:12,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.064516129032258) internal successors, (95), 31 states have internal predecessors, (95), 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) [2021-05-22 00:08:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 108448 states and 335171 transitions. [2021-05-22 00:08:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-05-22 00:08:12,160 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:08:12,160 INFO L521 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] [2021-05-22 00:08:12,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-22 00:08:12,160 INFO L430 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:08:12,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:08:12,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1276307503, now seen corresponding path program 1 times [2021-05-22 00:08:12,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:08:12,160 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22194873] [2021-05-22 00:08:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:08:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:08:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:08:12,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:08:12,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22194873] [2021-05-22 00:08:12,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22194873] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:08:12,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:08:12,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-22 00:08:12,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281978202] [2021-05-22 00:08:12,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-22 00:08:12,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:08:12,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-22 00:08:12,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-05-22 00:08:12,758 INFO L87 Difference]: Start difference. First operand 108448 states and 335171 transitions. Second operand has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 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) [2021-05-22 00:08:15,195 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2021-05-22 00:08:15,691 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-05-22 00:08:15,893 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2021-05-22 00:08:16,693 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2021-05-22 00:08:16,847 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-05-22 00:08:17,252 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 82 [2021-05-22 00:08:17,452 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2021-05-22 00:08:19,628 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-05-22 00:08:20,230 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 77 [2021-05-22 00:08:20,396 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-05-22 00:08:20,544 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 78 [2021-05-22 00:08:21,069 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-05-22 00:08:21,237 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-05-22 00:08:21,811 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2021-05-22 00:08:22,000 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:08:22,160 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2021-05-22 00:08:22,781 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-05-22 00:08:22,962 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 83 [2021-05-22 00:08:23,114 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-05-22 00:08:23,260 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-05-22 00:08:23,756 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:08:23,959 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 84 [2021-05-22 00:08:24,134 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2021-05-22 00:08:24,407 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 85 [2021-05-22 00:08:24,611 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 85 [2021-05-22 00:08:24,829 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 84 [2021-05-22 00:08:25,236 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-22 00:08:25,465 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 88 [2021-05-22 00:08:25,642 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-05-22 00:08:26,047 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-05-22 00:08:26,273 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 90 [2021-05-22 00:08:26,487 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 86 [2021-05-22 00:08:26,687 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2021-05-22 00:08:26,938 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2021-05-22 00:08:27,376 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 93 [2021-05-22 00:08:27,576 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-05-22 00:08:27,761 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-05-22 00:08:28,042 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 91 [2021-05-22 00:08:28,269 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 88 [2021-05-22 00:08:28,555 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-05-22 00:08:28,781 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 88 [2021-05-22 00:08:29,031 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-05-22 00:08:29,190 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-05-22 00:08:29,462 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-05-22 00:08:29,705 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2021-05-22 00:08:29,954 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:08:30,274 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2021-05-22 00:08:30,559 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 92 [2021-05-22 00:08:30,719 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-05-22 00:08:31,053 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-05-22 00:08:31,362 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 95 [2021-05-22 00:08:31,753 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 96 [2021-05-22 00:08:32,013 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 93 [2021-05-22 00:08:32,348 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 93 [2021-05-22 00:08:32,595 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 90 [2021-05-22 00:08:32,772 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-05-22 00:08:33,161 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 98 [2021-05-22 00:08:33,450 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 95 [2021-05-22 00:08:35,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:08:35,853 INFO L93 Difference]: Finished difference Result 161347 states and 498162 transitions. [2021-05-22 00:08:35,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-05-22 00:08:35,854 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 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 96 [2021-05-22 00:08:35,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:08:36,155 INFO L225 Difference]: With dead ends: 161347 [2021-05-22 00:08:36,155 INFO L226 Difference]: Without dead ends: 161347 [2021-05-22 00:08:36,156 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4871 ImplicationChecksByTransitivity, 17239.3ms TimeCoverageRelationStatistics Valid=6124, Invalid=17438, Unknown=0, NotChecked=0, Total=23562 [2021-05-22 00:08:36,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161347 states. [2021-05-22 00:08:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161347 to 108448. [2021-05-22 00:08:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108448 states, 108444 states have (on average 3.090728855446129) internal successors, (335171), 108447 states have internal predecessors, (335171), 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) [2021-05-22 00:08:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108448 states to 108448 states and 335171 transitions. [2021-05-22 00:08:39,237 INFO L78 Accepts]: Start accepts. Automaton has 108448 states and 335171 transitions. Word has length 96 [2021-05-22 00:08:39,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:08:39,237 INFO L482 AbstractCegarLoop]: Abstraction has 108448 states and 335171 transitions. [2021-05-22 00:08:39,238 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 3.096774193548387) internal successors, (96), 31 states have internal predecessors, (96), 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) [2021-05-22 00:08:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 108448 states and 335171 transitions. [2021-05-22 00:08:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:08:39,327 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:08:39,327 INFO L521 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] [2021-05-22 00:08:39,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-22 00:08:39,327 INFO L430 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:08:39,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:08:39,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1842383046, now seen corresponding path program 1 times [2021-05-22 00:08:39,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:08:39,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166173627] [2021-05-22 00:08:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:08:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:08:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:08:40,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:08:40,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166173627] [2021-05-22 00:08:40,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166173627] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:08:40,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:08:40,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:08:40,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344458628] [2021-05-22 00:08:40,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:08:40,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:08:40,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:08:40,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:08:40,070 INFO L87 Difference]: Start difference. First operand 108448 states and 335171 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:08:41,657 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-05-22 00:08:41,880 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:08:42,087 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:08:42,295 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2021-05-22 00:08:42,802 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-05-22 00:08:43,178 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80 [2021-05-22 00:08:43,419 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-05-22 00:08:45,524 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-05-22 00:08:48,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:08:48,224 INFO L93 Difference]: Finished difference Result 223380 states and 691308 transitions. [2021-05-22 00:08:48,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:08:48,224 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:08:48,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:08:48,634 INFO L225 Difference]: With dead ends: 223380 [2021-05-22 00:08:48,634 INFO L226 Difference]: Without dead ends: 223380 [2021-05-22 00:08:48,635 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 4396.2ms TimeCoverageRelationStatistics Valid=1165, Invalid=5477, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:08:49,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223380 states. [2021-05-22 00:08:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223380 to 154689. [2021-05-22 00:08:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154689 states, 154685 states have (on average 3.0908103565310148) internal successors, (478102), 154688 states have internal predecessors, (478102), 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) [2021-05-22 00:08:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154689 states to 154689 states and 478102 transitions. [2021-05-22 00:08:52,642 INFO L78 Accepts]: Start accepts. Automaton has 154689 states and 478102 transitions. Word has length 98 [2021-05-22 00:08:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:08:52,642 INFO L482 AbstractCegarLoop]: Abstraction has 154689 states and 478102 transitions. [2021-05-22 00:08:52,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:08:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 154689 states and 478102 transitions. [2021-05-22 00:08:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:08:52,796 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:08:52,797 INFO L521 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] [2021-05-22 00:08:52,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-22 00:08:52,797 INFO L430 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:08:52,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:08:52,797 INFO L82 PathProgramCache]: Analyzing trace with hash 226343960, now seen corresponding path program 2 times [2021-05-22 00:08:52,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:08:52,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929457523] [2021-05-22 00:08:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:08:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:08:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:08:53,522 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:08:53,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929457523] [2021-05-22 00:08:53,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929457523] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:08:53,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:08:53,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:08:53,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046628012] [2021-05-22 00:08:53,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:08:53,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:08:53,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:08:53,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:08:53,523 INFO L87 Difference]: Start difference. First operand 154689 states and 478102 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:08:54,322 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-22 00:08:55,216 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-05-22 00:08:55,457 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:08:55,667 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:08:55,886 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:08:56,490 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-05-22 00:08:56,738 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2021-05-22 00:08:56,955 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2021-05-22 00:08:58,937 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-05-22 00:09:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:09:02,420 INFO L93 Difference]: Finished difference Result 286461 states and 886209 transitions. [2021-05-22 00:09:02,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:09:02,421 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:09:02,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:09:03,029 INFO L225 Difference]: With dead ends: 286461 [2021-05-22 00:09:03,029 INFO L226 Difference]: Without dead ends: 286461 [2021-05-22 00:09:03,031 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4745.8ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:09:04,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286461 states. [2021-05-22 00:09:06,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286461 to 153989. [2021-05-22 00:09:07,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153989 states, 153985 states have (on average 3.0910608176121053) internal successors, (475977), 153988 states have internal predecessors, (475977), 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) [2021-05-22 00:09:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153989 states to 153989 states and 475977 transitions. [2021-05-22 00:09:07,441 INFO L78 Accepts]: Start accepts. Automaton has 153989 states and 475977 transitions. Word has length 98 [2021-05-22 00:09:07,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:09:07,442 INFO L482 AbstractCegarLoop]: Abstraction has 153989 states and 475977 transitions. [2021-05-22 00:09:07,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 153989 states and 475977 transitions. [2021-05-22 00:09:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:09:07,598 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:09:07,598 INFO L521 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] [2021-05-22 00:09:07,598 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-22 00:09:07,598 INFO L430 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:09:07,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:09:07,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1724611550, now seen corresponding path program 3 times [2021-05-22 00:09:07,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:09:07,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477138269] [2021-05-22 00:09:07,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:09:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:09:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:09:08,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:09:08,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477138269] [2021-05-22 00:09:08,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477138269] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:09:08,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:09:08,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:09:08,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86577914] [2021-05-22 00:09:08,914 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:09:08,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:09:08,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:09:08,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:09:08,915 INFO L87 Difference]: Start difference. First operand 153989 states and 475977 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:10,155 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-05-22 00:09:10,587 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:09:10,794 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:09:11,012 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:09:11,549 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:09:11,809 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:09:12,027 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:09:15,144 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-05-22 00:09:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:09:16,731 INFO L93 Difference]: Finished difference Result 285061 states and 881959 transitions. [2021-05-22 00:09:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:09:16,731 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:09:16,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:09:17,476 INFO L225 Difference]: With dead ends: 285061 [2021-05-22 00:09:17,476 INFO L226 Difference]: Without dead ends: 285061 [2021-05-22 00:09:17,476 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4377.4ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:09:18,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285061 states. [2021-05-22 00:09:20,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285061 to 153289. [2021-05-22 00:09:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153289 states, 153285 states have (on average 3.0913135662328344) internal successors, (473852), 153288 states have internal predecessors, (473852), 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) [2021-05-22 00:09:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153289 states to 153289 states and 473852 transitions. [2021-05-22 00:09:21,729 INFO L78 Accepts]: Start accepts. Automaton has 153289 states and 473852 transitions. Word has length 98 [2021-05-22 00:09:21,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:09:21,729 INFO L482 AbstractCegarLoop]: Abstraction has 153289 states and 473852 transitions. [2021-05-22 00:09:21,730 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 153289 states and 473852 transitions. [2021-05-22 00:09:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:09:21,889 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:09:21,889 INFO L521 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] [2021-05-22 00:09:21,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-22 00:09:21,889 INFO L430 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:09:21,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:09:21,889 INFO L82 PathProgramCache]: Analyzing trace with hash -248457130, now seen corresponding path program 4 times [2021-05-22 00:09:21,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:09:21,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004829204] [2021-05-22 00:09:21,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:09:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:09:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:09:22,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:09:22,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004829204] [2021-05-22 00:09:22,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004829204] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:09:22,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:09:22,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:09:22,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258162549] [2021-05-22 00:09:22,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:09:22,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:09:22,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:09:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:09:22,590 INFO L87 Difference]: Start difference. First operand 153289 states and 473852 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:23,845 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-05-22 00:09:24,181 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-05-22 00:09:24,400 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:09:24,630 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:09:24,841 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:09:25,315 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:09:25,565 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:09:25,785 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:09:28,284 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-05-22 00:09:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:09:30,598 INFO L93 Difference]: Finished difference Result 283661 states and 877709 transitions. [2021-05-22 00:09:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:09:30,598 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:09:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:09:31,096 INFO L225 Difference]: With dead ends: 283661 [2021-05-22 00:09:31,096 INFO L226 Difference]: Without dead ends: 283661 [2021-05-22 00:09:31,096 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4393.9ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:09:32,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283661 states. [2021-05-22 00:09:35,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283661 to 152589. [2021-05-22 00:09:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152589 states, 152585 states have (on average 3.0915686338762) internal successors, (471727), 152588 states have internal predecessors, (471727), 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) [2021-05-22 00:09:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152589 states to 152589 states and 471727 transitions. [2021-05-22 00:09:36,016 INFO L78 Accepts]: Start accepts. Automaton has 152589 states and 471727 transitions. Word has length 98 [2021-05-22 00:09:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:09:36,017 INFO L482 AbstractCegarLoop]: Abstraction has 152589 states and 471727 transitions. [2021-05-22 00:09:36,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 152589 states and 471727 transitions. [2021-05-22 00:09:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:09:36,173 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:09:36,173 INFO L521 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] [2021-05-22 00:09:36,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-22 00:09:36,173 INFO L430 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:09:36,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:09:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash -936468774, now seen corresponding path program 5 times [2021-05-22 00:09:36,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:09:36,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723950916] [2021-05-22 00:09:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:09:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:09:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:09:36,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:09:36,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723950916] [2021-05-22 00:09:36,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723950916] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:09:36,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:09:36,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:09:36,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104288146] [2021-05-22 00:09:36,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:09:36,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:09:36,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:09:36,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:09:36,868 INFO L87 Difference]: Start difference. First operand 152589 states and 471727 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:38,010 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2021-05-22 00:09:38,514 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-05-22 00:09:38,706 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:09:38,909 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:09:39,122 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:09:39,606 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:09:39,843 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:09:40,133 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:09:45,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:09:45,005 INFO L93 Difference]: Finished difference Result 277791 states and 859835 transitions. [2021-05-22 00:09:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:09:45,006 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:09:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:09:45,616 INFO L225 Difference]: With dead ends: 277791 [2021-05-22 00:09:45,616 INFO L226 Difference]: Without dead ends: 277791 [2021-05-22 00:09:45,617 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4389.5ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:09:47,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277791 states. [2021-05-22 00:09:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277791 to 161689. [2021-05-22 00:09:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161689 states, 161685 states have (on average 3.08921668676748) internal successors, (499480), 161688 states have internal predecessors, (499480), 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) [2021-05-22 00:09:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161689 states to 161689 states and 499480 transitions. [2021-05-22 00:09:50,058 INFO L78 Accepts]: Start accepts. Automaton has 161689 states and 499480 transitions. Word has length 98 [2021-05-22 00:09:50,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:09:50,058 INFO L482 AbstractCegarLoop]: Abstraction has 161689 states and 499480 transitions. [2021-05-22 00:09:50,058 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 161689 states and 499480 transitions. [2021-05-22 00:09:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:09:50,228 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:09:50,228 INFO L521 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] [2021-05-22 00:09:50,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-22 00:09:50,228 INFO L430 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:09:50,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:09:50,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1798326344, now seen corresponding path program 6 times [2021-05-22 00:09:50,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:09:50,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795201896] [2021-05-22 00:09:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:09:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:09:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:09:51,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:09:51,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795201896] [2021-05-22 00:09:51,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795201896] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:09:51,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:09:51,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:09:51,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901384494] [2021-05-22 00:09:51,404 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:09:51,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:09:51,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:09:51,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:09:51,405 INFO L87 Difference]: Start difference. First operand 161689 states and 499480 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:09:52,710 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-05-22 00:09:52,888 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-05-22 00:09:53,085 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:09:53,475 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:09:53,975 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:09:54,213 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:09:54,438 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:09:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:09:59,643 INFO L93 Difference]: Finished difference Result 284091 states and 879660 transitions. [2021-05-22 00:09:59,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:09:59,644 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:09:59,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:10:00,390 INFO L225 Difference]: With dead ends: 284091 [2021-05-22 00:10:00,390 INFO L226 Difference]: Without dead ends: 284091 [2021-05-22 00:10:00,391 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4366.1ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:10:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284091 states. [2021-05-22 00:10:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284091 to 161689. [2021-05-22 00:10:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161689 states, 161685 states have (on average 3.08921668676748) internal successors, (499480), 161688 states have internal predecessors, (499480), 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) [2021-05-22 00:10:05,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161689 states to 161689 states and 499480 transitions. [2021-05-22 00:10:05,027 INFO L78 Accepts]: Start accepts. Automaton has 161689 states and 499480 transitions. Word has length 98 [2021-05-22 00:10:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:10:05,027 INFO L482 AbstractCegarLoop]: Abstraction has 161689 states and 499480 transitions. [2021-05-22 00:10:05,027 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 161689 states and 499480 transitions. [2021-05-22 00:10:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:10:05,203 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:10:05,204 INFO L521 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] [2021-05-22 00:10:05,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-22 00:10:05,204 INFO L430 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:10:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:10:05,204 INFO L82 PathProgramCache]: Analyzing trace with hash 538770808, now seen corresponding path program 7 times [2021-05-22 00:10:05,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:10:05,204 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756423474] [2021-05-22 00:10:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:10:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:10:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:10:05,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:10:05,986 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756423474] [2021-05-22 00:10:05,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756423474] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:10:05,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:10:05,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-22 00:10:05,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769765470] [2021-05-22 00:10:05,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-22 00:10:05,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:10:05,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-22 00:10:05,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1245, Unknown=0, NotChecked=0, Total=1332 [2021-05-22 00:10:05,987 INFO L87 Difference]: Start difference. First operand 161689 states and 499480 transitions. Second operand has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:10:07,236 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 57 [2021-05-22 00:10:07,566 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-05-22 00:10:07,798 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-05-22 00:10:08,016 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-05-22 00:10:08,228 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-22 00:10:08,705 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-05-22 00:10:08,960 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-05-22 00:10:09,222 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-05-22 00:10:09,537 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-22 00:10:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:10:14,967 INFO L93 Difference]: Finished difference Result 277213 states and 857418 transitions. [2021-05-22 00:10:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:10:14,968 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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 98 [2021-05-22 00:10:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:10:15,505 INFO L225 Difference]: With dead ends: 277213 [2021-05-22 00:10:15,505 INFO L226 Difference]: Without dead ends: 277213 [2021-05-22 00:10:15,505 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 4825.8ms TimeCoverageRelationStatistics Valid=1178, Invalid=5628, Unknown=0, NotChecked=0, Total=6806 [2021-05-22 00:10:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277213 states. [2021-05-22 00:10:19,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277213 to 161717. [2021-05-22 00:10:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161717 states, 161713 states have (on average 3.089207423027215) internal successors, (499565), 161716 states have internal predecessors, (499565), 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) [2021-05-22 00:10:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161717 states to 161717 states and 499565 transitions. [2021-05-22 00:10:19,992 INFO L78 Accepts]: Start accepts. Automaton has 161717 states and 499565 transitions. Word has length 98 [2021-05-22 00:10:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:10:19,992 INFO L482 AbstractCegarLoop]: Abstraction has 161717 states and 499565 transitions. [2021-05-22 00:10:19,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:10:19,993 INFO L276 IsEmpty]: Start isEmpty. Operand 161717 states and 499565 transitions. [2021-05-22 00:10:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:10:20,170 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:10:20,170 INFO L521 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] [2021-05-22 00:10:20,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-22 00:10:20,170 INFO L430 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:10:20,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:10:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1289478430, now seen corresponding path program 8 times [2021-05-22 00:10:20,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:10:20,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753372653] [2021-05-22 00:10:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:10:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:10:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:10:21,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:10:21,472 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753372653] [2021-05-22 00:10:21,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753372653] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:10:21,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:10:21,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:10:21,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607119790] [2021-05-22 00:10:21,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:10:21,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:10:21,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:10:21,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1178, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:10:21,473 INFO L87 Difference]: Start difference. First operand 161717 states and 499565 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:22,627 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-05-22 00:10:22,852 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-05-22 00:10:23,053 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-05-22 00:10:23,466 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-05-22 00:10:23,920 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 71 [2021-05-22 00:10:24,165 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-05-22 00:10:24,392 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-05-22 00:10:24,544 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 73 [2021-05-22 00:10:24,774 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2021-05-22 00:10:28,282 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-05-22 00:10:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:10:30,266 INFO L93 Difference]: Finished difference Result 289005 states and 893321 transitions. [2021-05-22 00:10:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-22 00:10:30,266 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:10:30,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:10:31,030 INFO L225 Difference]: With dead ends: 289005 [2021-05-22 00:10:31,031 INFO L226 Difference]: Without dead ends: 289005 [2021-05-22 00:10:31,031 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 5292.8ms TimeCoverageRelationStatistics Valid=1103, Invalid=5539, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:10:32,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289005 states. [2021-05-22 00:10:35,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289005 to 162084. [2021-05-22 00:10:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162084 states, 162080 states have (on average 3.089067127344521) internal successors, (500676), 162083 states have internal predecessors, (500676), 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) [2021-05-22 00:10:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162084 states to 162084 states and 500676 transitions. [2021-05-22 00:10:35,910 INFO L78 Accepts]: Start accepts. Automaton has 162084 states and 500676 transitions. Word has length 98 [2021-05-22 00:10:35,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:10:35,910 INFO L482 AbstractCegarLoop]: Abstraction has 162084 states and 500676 transitions. [2021-05-22 00:10:35,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 162084 states and 500676 transitions. [2021-05-22 00:10:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:10:36,084 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:10:36,084 INFO L521 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] [2021-05-22 00:10:36,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-05-22 00:10:36,085 INFO L430 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:10:36,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:10:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash 621433370, now seen corresponding path program 9 times [2021-05-22 00:10:36,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:10:36,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576801108] [2021-05-22 00:10:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:10:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:10:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:10:36,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:10:36,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576801108] [2021-05-22 00:10:36,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576801108] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:10:36,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:10:36,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:10:36,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375228210] [2021-05-22 00:10:36,875 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:10:36,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:10:36,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:10:36,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:10:36,876 INFO L87 Difference]: Start difference. First operand 162084 states and 500676 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:37,731 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2021-05-22 00:10:38,611 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-05-22 00:10:38,845 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:10:39,061 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:10:39,290 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:10:39,821 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:10:40,164 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:10:40,378 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:10:45,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:10:45,438 INFO L93 Difference]: Finished difference Result 283012 states and 875719 transitions. [2021-05-22 00:10:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:10:45,438 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:10:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:10:45,967 INFO L225 Difference]: With dead ends: 283012 [2021-05-22 00:10:45,967 INFO L226 Difference]: Without dead ends: 283012 [2021-05-22 00:10:45,967 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4586.2ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:10:47,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283012 states. [2021-05-22 00:10:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283012 to 162084. [2021-05-22 00:10:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162084 states, 162080 states have (on average 3.089067127344521) internal successors, (500676), 162083 states have internal predecessors, (500676), 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) [2021-05-22 00:10:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162084 states to 162084 states and 500676 transitions. [2021-05-22 00:10:50,469 INFO L78 Accepts]: Start accepts. Automaton has 162084 states and 500676 transitions. Word has length 98 [2021-05-22 00:10:50,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:10:50,469 INFO L482 AbstractCegarLoop]: Abstraction has 162084 states and 500676 transitions. [2021-05-22 00:10:50,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 162084 states and 500676 transitions. [2021-05-22 00:10:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:10:50,650 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:10:50,650 INFO L521 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] [2021-05-22 00:10:50,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-05-22 00:10:50,650 INFO L430 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:10:50,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:10:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash -351004386, now seen corresponding path program 10 times [2021-05-22 00:10:50,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:10:50,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518809826] [2021-05-22 00:10:50,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:10:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:10:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:10:51,891 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:10:51,891 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518809826] [2021-05-22 00:10:51,891 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518809826] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:10:51,891 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:10:51,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-05-22 00:10:51,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596522678] [2021-05-22 00:10:51,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-05-22 00:10:51,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:10:51,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-05-22 00:10:51,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-05-22 00:10:51,892 INFO L87 Difference]: Start difference. First operand 162084 states and 500676 transitions. Second operand has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:10:53,171 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2021-05-22 00:10:53,398 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:10:53,810 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-05-22 00:10:54,030 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 79 [2021-05-22 00:10:54,534 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-05-22 00:10:54,772 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2021-05-22 00:10:54,980 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2021-05-22 00:10:59,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:10:59,870 INFO L93 Difference]: Finished difference Result 282312 states and 873594 transitions. [2021-05-22 00:10:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:10:59,871 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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 98 [2021-05-22 00:10:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:11:00,360 INFO L225 Difference]: With dead ends: 282312 [2021-05-22 00:11:00,360 INFO L226 Difference]: Without dead ends: 282312 [2021-05-22 00:11:00,361 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 4634.2ms TimeCoverageRelationStatistics Valid=1166, Invalid=5476, Unknown=0, NotChecked=0, Total=6642 [2021-05-22 00:11:01,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282312 states. [2021-05-22 00:11:04,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282312 to 160684. [2021-05-22 00:11:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160684 states, 160680 states have (on average 3.0895319890465522) internal successors, (496426), 160683 states have internal predecessors, (496426), 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) [2021-05-22 00:11:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160684 states to 160684 states and 496426 transitions. [2021-05-22 00:11:05,119 INFO L78 Accepts]: Start accepts. Automaton has 160684 states and 496426 transitions. Word has length 98 [2021-05-22 00:11:05,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:11:05,119 INFO L482 AbstractCegarLoop]: Abstraction has 160684 states and 496426 transitions. [2021-05-22 00:11:05,119 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.7222222222222223) internal successors, (98), 36 states have internal predecessors, (98), 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) [2021-05-22 00:11:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 160684 states and 496426 transitions. [2021-05-22 00:11:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:11:05,625 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:11:05,625 INFO L521 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] [2021-05-22 00:11:05,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-05-22 00:11:05,625 INFO L430 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:11:05,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:11:05,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1421587764, now seen corresponding path program 11 times [2021-05-22 00:11:05,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:11:05,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350211814] [2021-05-22 00:11:05,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:11:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:11:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:11:06,770 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:11:06,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350211814] [2021-05-22 00:11:06,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350211814] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:11:06,770 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:11:06,770 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-22 00:11:06,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068874489] [2021-05-22 00:11:06,770 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-22 00:11:06,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:11:06,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-22 00:11:06,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1109, Unknown=0, NotChecked=0, Total=1190 [2021-05-22 00:11:06,771 INFO L87 Difference]: Start difference. First operand 160684 states and 496426 transitions. Second operand has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:08,066 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-05-22 00:11:08,310 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-22 00:11:08,608 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:11:08,824 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-05-22 00:11:09,329 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-05-22 00:11:09,574 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-05-22 00:11:09,800 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-05-22 00:11:14,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:11:14,718 INFO L93 Difference]: Finished difference Result 274658 states and 849621 transitions. [2021-05-22 00:11:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-22 00:11:14,718 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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 98 [2021-05-22 00:11:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:11:15,211 INFO L225 Difference]: With dead ends: 274658 [2021-05-22 00:11:15,211 INFO L226 Difference]: Without dead ends: 274658 [2021-05-22 00:11:15,211 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 4155.5ms TimeCoverageRelationStatistics Valid=1023, Invalid=5139, Unknown=0, NotChecked=0, Total=6162 [2021-05-22 00:11:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274658 states. [2021-05-22 00:11:19,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274658 to 164884. [2021-05-22 00:11:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164884 states, 164880 states have (on average 3.088161086851043) internal successors, (509176), 164883 states have internal predecessors, (509176), 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) [2021-05-22 00:11:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164884 states to 164884 states and 509176 transitions. [2021-05-22 00:11:20,107 INFO L78 Accepts]: Start accepts. Automaton has 164884 states and 509176 transitions. Word has length 98 [2021-05-22 00:11:20,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:11:20,107 INFO L482 AbstractCegarLoop]: Abstraction has 164884 states and 509176 transitions. [2021-05-22 00:11:20,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 164884 states and 509176 transitions. [2021-05-22 00:11:20,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:11:20,277 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:11:20,277 INFO L521 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] [2021-05-22 00:11:20,277 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-05-22 00:11:20,277 INFO L430 AbstractCegarLoop]: === Iteration 39 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:11:20,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:11:20,278 INFO L82 PathProgramCache]: Analyzing trace with hash 76679826, now seen corresponding path program 12 times [2021-05-22 00:11:20,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:11:20,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408951679] [2021-05-22 00:11:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:11:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:11:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:11:20,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:11:20,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408951679] [2021-05-22 00:11:20,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408951679] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:11:20,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:11:20,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-22 00:11:20,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495781496] [2021-05-22 00:11:20,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-22 00:11:20,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:11:20,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-22 00:11:20,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1109, Unknown=0, NotChecked=0, Total=1190 [2021-05-22 00:11:20,945 INFO L87 Difference]: Start difference. First operand 164884 states and 509176 transitions. Second operand has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:22,302 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-05-22 00:11:22,751 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-22 00:11:22,957 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:11:23,170 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2021-05-22 00:11:23,668 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-05-22 00:11:23,908 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-22 00:11:24,122 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-05-22 00:11:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:11:29,194 INFO L93 Difference]: Finished difference Result 306922 states and 949710 transitions. [2021-05-22 00:11:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-22 00:11:29,194 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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 98 [2021-05-22 00:11:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:11:29,771 INFO L225 Difference]: With dead ends: 306922 [2021-05-22 00:11:29,772 INFO L226 Difference]: Without dead ends: 306922 [2021-05-22 00:11:29,772 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 4095.6ms TimeCoverageRelationStatistics Valid=1023, Invalid=5139, Unknown=0, NotChecked=0, Total=6162 [2021-05-22 00:11:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306922 states. [2021-05-22 00:11:33,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306922 to 164912. [2021-05-22 00:11:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164912 states, 164908 states have (on average 3.088152181822592) internal successors, (509261), 164911 states have internal predecessors, (509261), 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) [2021-05-22 00:11:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164912 states to 164912 states and 509261 transitions. [2021-05-22 00:11:34,492 INFO L78 Accepts]: Start accepts. Automaton has 164912 states and 509261 transitions. Word has length 98 [2021-05-22 00:11:34,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:11:34,492 INFO L482 AbstractCegarLoop]: Abstraction has 164912 states and 509261 transitions. [2021-05-22 00:11:34,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 164912 states and 509261 transitions. [2021-05-22 00:11:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:11:34,671 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:11:34,672 INFO L521 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] [2021-05-22 00:11:34,672 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-05-22 00:11:34,672 INFO L430 AbstractCegarLoop]: === Iteration 40 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:11:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:11:34,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1896388854, now seen corresponding path program 13 times [2021-05-22 00:11:34,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:11:34,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750432683] [2021-05-22 00:11:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:11:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:11:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:11:35,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:11:35,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750432683] [2021-05-22 00:11:35,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750432683] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:11:35,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:11:35,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-22 00:11:35,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893543061] [2021-05-22 00:11:35,836 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-22 00:11:35,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:11:35,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-22 00:11:35,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1109, Unknown=0, NotChecked=0, Total=1190 [2021-05-22 00:11:35,837 INFO L87 Difference]: Start difference. First operand 164912 states and 509261 transitions. Second operand has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:37,267 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2021-05-22 00:11:37,476 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-05-22 00:11:37,690 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2021-05-22 00:11:38,379 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-05-22 00:11:38,612 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-05-22 00:11:38,829 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2021-05-22 00:11:40,381 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-05-22 00:11:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:11:43,649 INFO L93 Difference]: Finished difference Result 305522 states and 945460 transitions. [2021-05-22 00:11:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-22 00:11:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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 98 [2021-05-22 00:11:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:11:44,222 INFO L225 Difference]: With dead ends: 305522 [2021-05-22 00:11:44,223 INFO L226 Difference]: Without dead ends: 305522 [2021-05-22 00:11:44,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 4274.3ms TimeCoverageRelationStatistics Valid=1023, Invalid=5139, Unknown=0, NotChecked=0, Total=6162 [2021-05-22 00:11:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305522 states. [2021-05-22 00:11:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305522 to 164940. [2021-05-22 00:11:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164940 states, 164936 states have (on average 3.088143279817626) internal successors, (509346), 164939 states have internal predecessors, (509346), 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) [2021-05-22 00:11:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164940 states to 164940 states and 509346 transitions. [2021-05-22 00:11:49,243 INFO L78 Accepts]: Start accepts. Automaton has 164940 states and 509346 transitions. Word has length 98 [2021-05-22 00:11:49,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:11:49,243 INFO L482 AbstractCegarLoop]: Abstraction has 164940 states and 509346 transitions. [2021-05-22 00:11:49,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 2.8) internal successors, (98), 35 states have internal predecessors, (98), 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) [2021-05-22 00:11:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 164940 states and 509346 transitions. [2021-05-22 00:11:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:11:49,505 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:11:49,506 INFO L521 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] [2021-05-22 00:11:49,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-05-22 00:11:49,506 INFO L430 AbstractCegarLoop]: === Iteration 41 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:11:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:11:49,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1710566798, now seen corresponding path program 14 times [2021-05-22 00:11:49,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:11:49,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894106512] [2021-05-22 00:11:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:11:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:11:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:11:50,302 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:11:50,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894106512] [2021-05-22 00:11:50,302 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894106512] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:11:50,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:11:50,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-22 00:11:50,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887465773] [2021-05-22 00:11:50,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-22 00:11:50,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:11:50,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-22 00:11:50,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-05-22 00:11:50,303 INFO L87 Difference]: Start difference. First operand 164940 states and 509346 transitions. Second operand has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:11:51,791 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-22 00:11:52,019 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-22 00:11:52,220 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-05-22 00:11:52,441 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-05-22 00:11:52,671 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-05-22 00:11:53,180 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-05-22 00:11:53,432 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-05-22 00:11:53,671 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-05-22 00:11:56,260 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-05-22 00:11:58,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:11:58,940 INFO L93 Difference]: Finished difference Result 307260 states and 951457 transitions. [2021-05-22 00:11:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:11:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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 98 [2021-05-22 00:11:58,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:11:59,511 INFO L225 Difference]: With dead ends: 307260 [2021-05-22 00:11:59,511 INFO L226 Difference]: Without dead ends: 307260 [2021-05-22 00:11:59,511 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 4693.7ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-05-22 00:12:01,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307260 states. [2021-05-22 00:12:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307260 to 165630. [2021-05-22 00:12:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165630 states, 165626 states have (on average 3.0881081472715635) internal successors, (511471), 165629 states have internal predecessors, (511471), 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) [2021-05-22 00:12:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165630 states to 165630 states and 511471 transitions. [2021-05-22 00:12:04,165 INFO L78 Accepts]: Start accepts. Automaton has 165630 states and 511471 transitions. Word has length 98 [2021-05-22 00:12:04,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:12:04,165 INFO L482 AbstractCegarLoop]: Abstraction has 165630 states and 511471 transitions. [2021-05-22 00:12:04,166 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:12:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 165630 states and 511471 transitions. [2021-05-22 00:12:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-05-22 00:12:04,345 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:12:04,346 INFO L521 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] [2021-05-22 00:12:04,346 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-05-22 00:12:04,346 INFO L430 AbstractCegarLoop]: === Iteration 42 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:12:04,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:12:04,346 INFO L82 PathProgramCache]: Analyzing trace with hash 848709228, now seen corresponding path program 15 times [2021-05-22 00:12:04,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:12:04,346 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432968956] [2021-05-22 00:12:04,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:12:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:12:04,928 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-05-22 00:12:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:12:05,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:12:05,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432968956] [2021-05-22 00:12:05,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432968956] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:12:05,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:12:05,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-22 00:12:05,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600246766] [2021-05-22 00:12:05,631 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-22 00:12:05,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:12:05,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-22 00:12:05,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1246, Unknown=0, NotChecked=0, Total=1332 [2021-05-22 00:12:05,631 INFO L87 Difference]: Start difference. First operand 165630 states and 511471 transitions. Second operand has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:12:06,809 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 64 [2021-05-22 00:12:07,053 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2021-05-22 00:12:07,462 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 70 [2021-05-22 00:12:07,682 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-05-22 00:12:07,932 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 76 [2021-05-22 00:12:08,499 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2021-05-22 00:12:08,752 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 80 [2021-05-22 00:12:08,991 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-05-22 00:12:12,049 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-05-22 00:12:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:12:14,381 INFO L93 Difference]: Finished difference Result 312160 states and 967032 transitions. [2021-05-22 00:12:14,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-05-22 00:12:14,382 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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 98 [2021-05-22 00:12:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:12:14,962 INFO L225 Difference]: With dead ends: 312160 [2021-05-22 00:12:14,963 INFO L226 Difference]: Without dead ends: 312160 [2021-05-22 00:12:14,963 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 4583.4ms TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2021-05-22 00:12:16,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312160 states. [2021-05-22 00:12:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312160 to 165854. [2021-05-22 00:12:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165854 states, 165850 states have (on average 3.0882062104311125) internal successors, (512179), 165853 states have internal predecessors, (512179), 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) [2021-05-22 00:12:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165854 states to 165854 states and 512179 transitions. [2021-05-22 00:12:19,750 INFO L78 Accepts]: Start accepts. Automaton has 165854 states and 512179 transitions. Word has length 98 [2021-05-22 00:12:19,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:12:19,750 INFO L482 AbstractCegarLoop]: Abstraction has 165854 states and 512179 transitions. [2021-05-22 00:12:19,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 37 states have internal predecessors, (98), 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) [2021-05-22 00:12:19,750 INFO L276 IsEmpty]: Start isEmpty. Operand 165854 states and 512179 transitions. Received shutdown request... [2021-05-22 00:12:19,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-05-22 00:12:19,909 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 00:12:19,909 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-05-22 00:12:19,911 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-22 00:12:19,911 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:12:19,912 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:12:19,912 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:12:19,912 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:12:19,912 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:12:19,912 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:12:19,912 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:12:19,912 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:12:19,914 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 206 transitions, 434 flow [2021-05-22 00:12:19,914 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 00:12:19,914 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-05-22 00:12:19,914 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-22 00:12:19,916 WARN L196 ceAbstractionStarter]: Timeout [2021-05-22 00:12:19,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.05 12:12:19 BasicIcfg [2021-05-22 00:12:19,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-22 00:12:19,917 INFO L168 Benchmark]: Toolchain (without parser) took 717954.62 ms. Allocated memory was 348.1 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 309.9 MB in the beginning and 9.4 GB in the end (delta: -9.0 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.26 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 272.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.21 ms. Allocated memory is still 348.1 MB. Free memory was 272.9 MB in the beginning and 269.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 ms. Allocated memory is still 348.1 MB. Free memory was 269.8 MB in the beginning and 268.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: RCFGBuilder took 531.36 ms. Allocated memory is still 348.1 MB. Free memory was 267.7 MB in the beginning and 225.7 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L168 Benchmark]: TraceAbstraction took 716704.20 ms. Allocated memory was 348.1 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 225.7 MB in the beginning and 9.4 GB in the end (delta: -9.1 GB). Peak memory consumption was 6.5 GB. Max. memory is 16.0 GB. [2021-05-22 00:12:19,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory is still 329.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 612.26 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 272.9 MB in the end (delta: 36.9 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.21 ms. Allocated memory is still 348.1 MB. Free memory was 272.9 MB in the beginning and 269.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.14 ms. Allocated memory is still 348.1 MB. Free memory was 269.8 MB in the beginning and 268.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 531.36 ms. Allocated memory is still 348.1 MB. Free memory was 267.7 MB in the beginning and 225.7 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 716704.20 ms. Allocated memory was 348.1 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 225.7 MB in the beginning and 9.4 GB in the end (delta: -9.1 GB). Peak memory consumption was 6.5 GB. Max. memory is 16.0 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 IsEmpty was searching accepting run (input had 165854 states). - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while IsEmpty was searching accepting run (input had 165854 states). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while IsEmpty was searching accepting run (input had 165854 states). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while IsEmpty was searching accepting run (input had 165854 states). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 716546.4ms, OverallIterations: 42, TraceHistogramMax: 1, EmptinessCheckTime: 6716.7ms, AutomataDifference: 523555.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5729.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57425 SDtfs, 132617 SDslu, 654643 SDs, 0 SdLazy, 306074 SolverSat, 4038 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111657.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4150 GetRequests, 161 SyntacticMatches, 53 SemanticMatches, 3936 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70055 ImplicationChecksByTransitivity, 358741.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=165854occurred in iteration=42, InterpolantAutomatonStates: 2836, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 146405.3ms AutomataMinimizationTime, 42 MinimizatonAttempts, 3073239 StatesRemovedByMinimization, 42 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 87.7ms SsaConstructionTime, 716.5ms SatisfiabilityAnalysisTime, 32666.1ms InterpolantComputationTime, 3983 NumberOfCodeBlocks, 3983 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 3941 ConstructedInterpolants, 0 QuantifiedInterpolants, 65733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 296 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 2.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown