/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 18:30:11,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 18:30:11,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 18:30:11,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-10 18:30:11,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-10 18:30:11,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-10 18:30:11,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-10 18:30:11,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-10 18:30:11,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-10 18:30:11,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-10 18:30:11,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-10 18:30:11,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-10 18:30:11,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-10 18:30:11,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-10 18:30:11,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-10 18:30:11,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-10 18:30:11,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-10 18:30:11,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-10 18:30:11,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-10 18:30:11,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-10 18:30:11,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-10 18:30:11,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-10 18:30:11,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-10 18:30:11,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-10 18:30:11,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-10 18:30:11,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 18:30:11,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 18:30:11,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 18:30:11,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-03-10 18:30:11,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 18:30:11,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 18:30:11,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 18:30:11,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 18:30:11,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 18:30:11,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 18:30:11,666 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 18:30:11,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 18:30:11,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 18:30:11,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 18:30:11,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 18:30:11,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 18:30:11,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 18:30:11,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 18:30:11,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 18:30:11,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 18:30:11,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 18:30:11,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 18:30:11,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 18:30:11,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 18:30:11,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 18:30:11,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 18:30:11,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 18:30:11,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 18:30:11,968 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 18:30:11,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-03-10 18:30:12,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4e40a2d/2223ca54946f4eab936d9971d0881f9d/FLAGdf5c3e2ac [2021-03-10 18:30:12,452 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 18:30:12,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-2.i [2021-03-10 18:30:12,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4e40a2d/2223ca54946f4eab936d9971d0881f9d/FLAGdf5c3e2ac [2021-03-10 18:30:12,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4e40a2d/2223ca54946f4eab936d9971d0881f9d [2021-03-10 18:30:12,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 18:30:12,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 18:30:12,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 18:30:12,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 18:30:12,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 18:30:12,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:30:12" (1/1) ... [2021-03-10 18:30:12,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12122c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:12, skipping insertion in model container [2021-03-10 18:30:12,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 06:30:12" (1/1) ... [2021-03-10 18:30:12,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 18:30:12,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 18:30:12,953 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-10 18:30:13,106 WARN L226 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] [2021-03-10 18:30:13,109 WARN L226 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] [2021-03-10 18:30:13,109 WARN L226 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] [2021-03-10 18:30:13,139 WARN L226 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] [2021-03-10 18:30:13,139 WARN L226 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] [2021-03-10 18:30:13,141 WARN L226 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] [2021-03-10 18:30:13,141 WARN L226 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] [2021-03-10 18:30:13,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 18:30:13,149 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 18:30:13,157 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-10 18:30:13,173 WARN L226 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] [2021-03-10 18:30:13,174 WARN L226 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] [2021-03-10 18:30:13,174 WARN L226 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] [2021-03-10 18:30:13,181 WARN L226 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] [2021-03-10 18:30:13,182 WARN L226 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] [2021-03-10 18:30:13,183 WARN L226 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] [2021-03-10 18:30:13,183 WARN L226 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] [2021-03-10 18:30:13,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 18:30:13,296 INFO L208 MainTranslator]: Completed translation [2021-03-10 18:30:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13 WrapperNode [2021-03-10 18:30:13,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 18:30:13,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 18:30:13,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 18:30:13,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 18:30:13,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 18:30:13,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 18:30:13,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 18:30:13,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 18:30:13,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (1/1) ... [2021-03-10 18:30:13,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 18:30:13,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 18:30:13,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 18:30:13,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 18:30:13,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (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 [2021-03-10 18:30:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2021-03-10 18:30:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2021-03-10 18:30:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2021-03-10 18:30:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2021-03-10 18:30:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 18:30:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 18:30:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-10 18:30:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 18:30:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-10 18:30:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 18:30:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 18:30:13,466 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 18:30:13,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 18:30:13,930 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-03-10 18:30:13,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 06:30:13 BoogieIcfgContainer [2021-03-10 18:30:13,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 18:30:13,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 18:30:13,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 18:30:13,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 18:30:13,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 06:30:12" (1/3) ... [2021-03-10 18:30:13,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550a4f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 06:30:13, skipping insertion in model container [2021-03-10 18:30:13,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 06:30:13" (2/3) ... [2021-03-10 18:30:13,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550a4f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 06:30:13, skipping insertion in model container [2021-03-10 18:30:13,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 06:30:13" (3/3) ... [2021-03-10 18:30:13,937 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.i [2021-03-10 18:30:13,941 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 18:30:13,941 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 18:30:13,953 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-10 18:30:13,954 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 18:30:14,010 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,011 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,012 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,013 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,013 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,013 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,013 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,013 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,014 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,014 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,014 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,014 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,014 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,016 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,017 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,018 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,019 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,020 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,021 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,022 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,022 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,024 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,024 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,024 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,025 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,028 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,028 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,029 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,029 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,029 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,029 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,030 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,031 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,032 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,033 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,034 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,035 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,035 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,035 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,036 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,037 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,038 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,039 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,040 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,041 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,043 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,043 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,043 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,043 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,044 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,044 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,044 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,045 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,055 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,056 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,057 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,058 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,059 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,060 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,061 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,062 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,063 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,070 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,070 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,070 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,070 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,071 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,072 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,073 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,074 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,075 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,076 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,077 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,078 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,080 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,080 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,080 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,081 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_~#read~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,081 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,081 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~ret24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,081 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,081 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,082 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,083 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,084 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,084 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,084 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,086 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,086 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#t~pre30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,086 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,086 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,086 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,087 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,087 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,087 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,087 WARN L313 ript$VariableManager]: TermVariabe reader_twoThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,087 WARN L313 ript$VariableManager]: TermVariabe |reader_twoThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,091 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,091 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,091 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,091 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,091 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#t~pre19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~r~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe |writer_fnThread1of1ForFork1_ring_enqueue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,092 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_ring_enqueue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,093 WARN L313 ript$VariableManager]: TermVariabe writer_fnThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 18:30:14,097 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-10 18:30:14,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-03-10 18:30:14,123 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 18:30:14,123 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 18:30:14,123 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 18:30:14,123 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 18:30:14,123 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 18:30:14,123 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 18:30:14,123 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 18:30:14,123 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 18:30:14,131 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 188 places, 200 transitions, 422 flow [2021-03-10 18:30:20,524 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 73113 states, 73108 states have (on average 3.29062482902008) internal successors, (240571), 73112 states have internal predecessors, (240571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 73113 states, 73108 states have (on average 3.29062482902008) internal successors, (240571), 73112 states have internal predecessors, (240571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-03-10 18:30:20,921 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:20,922 INFO L519 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] [2021-03-10 18:30:20,922 INFO L428 AbstractCegarLoop]: === Iteration 1 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:20,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:20,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1729199751, now seen corresponding path program 1 times [2021-03-10 18:30:20,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:20,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127578474] [2021-03-10 18:30:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:21,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127578474] [2021-03-10 18:30:21,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:21,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-03-10 18:30:21,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117199742] [2021-03-10 18:30:21,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-10 18:30:21,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:21,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-10 18:30:21,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-03-10 18:30:21,753 INFO L87 Difference]: Start difference. First operand has 73113 states, 73108 states have (on average 3.29062482902008) internal successors, (240571), 73112 states have internal predecessors, (240571), 0 states have call successors, (0), 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 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:24,349 INFO L93 Difference]: Finished difference Result 86036 states and 264925 transitions. [2021-03-10 18:30:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-10 18:30:24,350 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-03-10 18:30:24,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:24,630 INFO L225 Difference]: With dead ends: 86036 [2021-03-10 18:30:24,630 INFO L226 Difference]: Without dead ends: 76614 [2021-03-10 18:30:24,631 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1578.4ms TimeCoverageRelationStatistics Valid=434, Invalid=1206, Unknown=0, NotChecked=0, Total=1640 [2021-03-10 18:30:25,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76614 states. [2021-03-10 18:30:27,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76614 to 72918. [2021-03-10 18:30:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72918 states, 72914 states have (on average 3.085758564884659) internal successors, (224995), 72917 states have internal predecessors, (224995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72918 states to 72918 states and 224995 transitions. [2021-03-10 18:30:27,725 INFO L78 Accepts]: Start accepts. Automaton has 72918 states and 224995 transitions. Word has length 72 [2021-03-10 18:30:27,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:27,726 INFO L480 AbstractCegarLoop]: Abstraction has 72918 states and 224995 transitions. [2021-03-10 18:30:27,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 72918 states and 224995 transitions. [2021-03-10 18:30:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-03-10 18:30:27,790 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:27,790 INFO L519 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] [2021-03-10 18:30:27,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-10 18:30:27,791 INFO L428 AbstractCegarLoop]: === Iteration 2 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:27,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:27,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1289927848, now seen corresponding path program 1 times [2021-03-10 18:30:27,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:27,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333740504] [2021-03-10 18:30:27,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:28,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333740504] [2021-03-10 18:30:28,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:28,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-03-10 18:30:28,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443709654] [2021-03-10 18:30:28,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-10 18:30:28,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:28,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-10 18:30:28,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-03-10 18:30:28,533 INFO L87 Difference]: Start difference. First operand 72918 states and 224995 transitions. Second operand has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:29,278 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-03-10 18:30:29,623 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2021-03-10 18:30:29,772 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-03-10 18:30:29,944 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2021-03-10 18:30:30,164 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2021-03-10 18:30:30,522 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2021-03-10 18:30:31,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:31,923 INFO L93 Difference]: Finished difference Result 123062 states and 379857 transitions. [2021-03-10 18:30:31,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-10 18:30:31,924 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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 [2021-03-10 18:30:31,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:32,258 INFO L225 Difference]: With dead ends: 123062 [2021-03-10 18:30:32,259 INFO L226 Difference]: Without dead ends: 122411 [2021-03-10 18:30:32,260 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 2005.1ms TimeCoverageRelationStatistics Valid=493, Invalid=1313, Unknown=0, NotChecked=0, Total=1806 [2021-03-10 18:30:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122411 states. [2021-03-10 18:30:34,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122411 to 87017. [2021-03-10 18:30:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87017 states, 87013 states have (on average 3.086148046843575) internal successors, (268535), 87016 states have internal predecessors, (268535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87017 states to 87017 states and 268535 transitions. [2021-03-10 18:30:35,222 INFO L78 Accepts]: Start accepts. Automaton has 87017 states and 268535 transitions. Word has length 74 [2021-03-10 18:30:35,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:35,223 INFO L480 AbstractCegarLoop]: Abstraction has 87017 states and 268535 transitions. [2021-03-10 18:30:35,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 87017 states and 268535 transitions. [2021-03-10 18:30:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-03-10 18:30:35,286 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:35,286 INFO L519 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] [2021-03-10 18:30:35,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-10 18:30:35,286 INFO L428 AbstractCegarLoop]: === Iteration 3 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:35,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:35,287 INFO L82 PathProgramCache]: Analyzing trace with hash -107618222, now seen corresponding path program 2 times [2021-03-10 18:30:35,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:35,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60029235] [2021-03-10 18:30:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:35,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60029235] [2021-03-10 18:30:35,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:35,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-03-10 18:30:35,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816465068] [2021-03-10 18:30:35,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-10 18:30:35,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:35,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-10 18:30:35,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-03-10 18:30:35,654 INFO L87 Difference]: Start difference. First operand 87017 states and 268535 transitions. Second operand has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:36,036 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-03-10 18:30:36,920 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2021-03-10 18:30:37,064 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 79 [2021-03-10 18:30:37,223 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2021-03-10 18:30:37,432 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-03-10 18:30:37,565 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 77 [2021-03-10 18:30:37,943 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 82 [2021-03-10 18:30:39,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:39,448 INFO L93 Difference]: Finished difference Result 138187 states and 426572 transitions. [2021-03-10 18:30:39,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-10 18:30:39,449 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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 [2021-03-10 18:30:39,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:39,773 INFO L225 Difference]: With dead ends: 138187 [2021-03-10 18:30:39,773 INFO L226 Difference]: Without dead ends: 137557 [2021-03-10 18:30:39,774 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 2337.3ms TimeCoverageRelationStatistics Valid=500, Invalid=1306, Unknown=0, NotChecked=0, Total=1806 [2021-03-10 18:30:40,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137557 states. [2021-03-10 18:30:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137557 to 86995. [2021-03-10 18:30:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86995 states, 86991 states have (on average 3.0861813291030105) internal successors, (268470), 86994 states have internal predecessors, (268470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:42,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86995 states to 86995 states and 268470 transitions. [2021-03-10 18:30:42,636 INFO L78 Accepts]: Start accepts. Automaton has 86995 states and 268470 transitions. Word has length 74 [2021-03-10 18:30:42,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:42,637 INFO L480 AbstractCegarLoop]: Abstraction has 86995 states and 268470 transitions. [2021-03-10 18:30:42,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 86995 states and 268470 transitions. [2021-03-10 18:30:42,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-03-10 18:30:42,698 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:42,698 INFO L519 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] [2021-03-10 18:30:42,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-10 18:30:42,698 INFO L428 AbstractCegarLoop]: === Iteration 4 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:42,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1750166150, now seen corresponding path program 3 times [2021-03-10 18:30:42,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:42,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365645184] [2021-03-10 18:30:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:43,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365645184] [2021-03-10 18:30:43,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:43,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-03-10 18:30:43,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971522256] [2021-03-10 18:30:43,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-10 18:30:43,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:43,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-10 18:30:43,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-03-10 18:30:43,072 INFO L87 Difference]: Start difference. First operand 86995 states and 268470 transitions. Second operand has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:43,407 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-03-10 18:30:44,314 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-03-10 18:30:44,486 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 77 [2021-03-10 18:30:44,648 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2021-03-10 18:30:44,825 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 82 [2021-03-10 18:30:45,003 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-03-10 18:30:45,210 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-10 18:30:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:30:46,476 INFO L93 Difference]: Finished difference Result 113997 states and 351669 transitions. [2021-03-10 18:30:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-10 18:30:46,477 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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 [2021-03-10 18:30:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:30:46,717 INFO L225 Difference]: With dead ends: 113997 [2021-03-10 18:30:46,717 INFO L226 Difference]: Without dead ends: 113283 [2021-03-10 18:30:46,718 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 2047.7ms TimeCoverageRelationStatistics Valid=396, Invalid=1086, Unknown=0, NotChecked=0, Total=1482 [2021-03-10 18:30:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113283 states. [2021-03-10 18:30:48,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113283 to 85301. [2021-03-10 18:30:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85301 states, 85297 states have (on average 3.088279775373108) internal successors, (263421), 85300 states have internal predecessors, (263421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85301 states to 85301 states and 263421 transitions. [2021-03-10 18:30:49,329 INFO L78 Accepts]: Start accepts. Automaton has 85301 states and 263421 transitions. Word has length 74 [2021-03-10 18:30:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:30:49,329 INFO L480 AbstractCegarLoop]: Abstraction has 85301 states and 263421 transitions. [2021-03-10 18:30:49,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 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) [2021-03-10 18:30:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 85301 states and 263421 transitions. [2021-03-10 18:30:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:30:49,403 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:30:49,403 INFO L519 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] [2021-03-10 18:30:49,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-10 18:30:49,403 INFO L428 AbstractCegarLoop]: === Iteration 5 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:30:49,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:30:49,403 INFO L82 PathProgramCache]: Analyzing trace with hash 270739762, now seen corresponding path program 1 times [2021-03-10 18:30:49,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:30:49,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948163388] [2021-03-10 18:30:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:30:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:30:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:30:50,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948163388] [2021-03-10 18:30:50,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:30:50,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:30:50,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120039159] [2021-03-10 18:30:50,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:30:50,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:30:50,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:30:50,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:30:50,101 INFO L87 Difference]: Start difference. First operand 85301 states and 263421 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:30:50,897 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-03-10 18:30:51,471 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:30:51,708 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:30:51,956 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:30:52,477 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-03-10 18:30:52,732 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 56 [2021-03-10 18:30:52,935 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2021-03-10 18:30:53,126 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-03-10 18:30:53,304 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-03-10 18:30:53,651 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:30:53,814 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2021-03-10 18:30:53,957 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-03-10 18:30:54,087 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-03-10 18:30:54,309 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 70 [2021-03-10 18:30:54,478 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:30:54,630 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2021-03-10 18:30:54,862 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2021-03-10 18:30:55,038 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-03-10 18:30:55,204 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 71 [2021-03-10 18:30:55,336 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-03-10 18:30:55,554 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-03-10 18:30:55,748 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-03-10 18:30:55,907 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2021-03-10 18:30:56,127 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:30:56,319 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:30:56,501 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-03-10 18:30:56,644 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-03-10 18:30:56,882 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:30:57,100 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-03-10 18:30:57,267 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-03-10 18:30:57,538 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:30:57,759 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-03-10 18:30:57,946 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 74 [2021-03-10 18:30:58,194 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:30:58,453 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 86 [2021-03-10 18:30:58,650 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-03-10 18:30:58,935 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:30:59,187 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-03-10 18:30:59,454 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:30:59,713 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-03-10 18:30:59,946 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:31:00,164 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:31:00,558 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-03-10 18:31:00,872 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:31:01,150 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:31:01,445 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:31:01,807 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-03-10 18:31:02,077 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2021-03-10 18:31:02,470 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 101 [2021-03-10 18:31:02,855 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 104 [2021-03-10 18:31:03,204 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-03-10 18:31:03,759 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2021-03-10 18:31:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:05,248 INFO L93 Difference]: Finished difference Result 130826 states and 403706 transitions. [2021-03-10 18:31:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-10 18:31:05,248 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:31:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:05,514 INFO L225 Difference]: With dead ends: 130826 [2021-03-10 18:31:05,514 INFO L226 Difference]: Without dead ends: 130826 [2021-03-10 18:31:05,516 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 11532.8ms TimeCoverageRelationStatistics Valid=2709, Invalid=6411, Unknown=0, NotChecked=0, Total=9120 [2021-03-10 18:31:06,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130826 states. [2021-03-10 18:31:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130826 to 99458. [2021-03-10 18:31:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99458 states, 99454 states have (on average 3.093420073601866) internal successors, (307653), 99457 states have internal predecessors, (307653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99458 states to 99458 states and 307653 transitions. [2021-03-10 18:31:08,753 INFO L78 Accepts]: Start accepts. Automaton has 99458 states and 307653 transitions. Word has length 90 [2021-03-10 18:31:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:08,754 INFO L480 AbstractCegarLoop]: Abstraction has 99458 states and 307653 transitions. [2021-03-10 18:31:08,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 99458 states and 307653 transitions. [2021-03-10 18:31:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:31:08,842 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:08,842 INFO L519 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] [2021-03-10 18:31:08,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-10 18:31:08,842 INFO L428 AbstractCegarLoop]: === Iteration 6 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:08,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:08,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1929262790, now seen corresponding path program 2 times [2021-03-10 18:31:08,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:08,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686794727] [2021-03-10 18:31:08,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:09,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686794727] [2021-03-10 18:31:09,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:09,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:31:09,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518430214] [2021-03-10 18:31:09,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:31:09,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:09,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:31:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:31:09,446 INFO L87 Difference]: Start difference. First operand 99458 states and 307653 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:11,079 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:31:11,219 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-03-10 18:31:11,450 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:31:11,701 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-03-10 18:31:12,262 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:31:12,473 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-03-10 18:31:12,692 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:31:13,056 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:31:13,409 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:31:13,565 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:31:13,712 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:31:14,045 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:31:14,233 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:31:14,382 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:31:14,530 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:31:14,784 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:31:14,947 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:31:15,076 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-03-10 18:31:15,283 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:31:15,491 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:31:15,679 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:31:15,824 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:31:16,031 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 68 [2021-03-10 18:31:16,249 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:31:16,438 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:31:16,579 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:31:16,796 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-03-10 18:31:16,994 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:31:17,222 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:31:17,387 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:31:17,633 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:31:17,842 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:31:18,086 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:31:18,289 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:31:18,542 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:31:18,770 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-03-10 18:31:18,995 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:31:19,241 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2021-03-10 18:31:19,483 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:31:19,690 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-03-10 18:31:20,002 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:31:20,284 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:31:20,549 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:31:20,784 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:31:21,037 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:31:21,275 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:31:21,503 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:31:21,849 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:31:22,207 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 82 [2021-03-10 18:31:22,457 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:31:22,749 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:31:23,130 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:31:23,404 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-03-10 18:31:23,798 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:31:24,253 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:31:24,738 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:31:25,336 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:31:26,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:26,893 INFO L93 Difference]: Finished difference Result 163817 states and 506877 transitions. [2021-03-10 18:31:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-03-10 18:31:26,894 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:31:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:27,387 INFO L225 Difference]: With dead ends: 163817 [2021-03-10 18:31:27,387 INFO L226 Difference]: Without dead ends: 163817 [2021-03-10 18:31:27,389 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1696 ImplicationChecksByTransitivity, 13218.8ms TimeCoverageRelationStatistics Valid=3380, Invalid=7962, Unknown=0, NotChecked=0, Total=11342 [2021-03-10 18:31:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163817 states. [2021-03-10 18:31:29,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163817 to 109745. [2021-03-10 18:31:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109745 states, 109741 states have (on average 3.0944769958356493) internal successors, (339591), 109744 states have internal predecessors, (339591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109745 states to 109745 states and 339591 transitions. [2021-03-10 18:31:30,398 INFO L78 Accepts]: Start accepts. Automaton has 109745 states and 339591 transitions. Word has length 90 [2021-03-10 18:31:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:30,399 INFO L480 AbstractCegarLoop]: Abstraction has 109745 states and 339591 transitions. [2021-03-10 18:31:30,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 109745 states and 339591 transitions. [2021-03-10 18:31:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:31:30,511 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:30,511 INFO L519 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] [2021-03-10 18:31:30,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-10 18:31:30,512 INFO L428 AbstractCegarLoop]: === Iteration 7 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:30,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1632547962, now seen corresponding path program 3 times [2021-03-10 18:31:30,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:30,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384552877] [2021-03-10 18:31:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:31,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384552877] [2021-03-10 18:31:31,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:31,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:31:31,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798545312] [2021-03-10 18:31:31,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:31:31,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:31,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:31:31,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:31:31,568 INFO L87 Difference]: Start difference. First operand 109745 states and 339591 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:32,964 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:31:33,324 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:31:33,510 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:31:33,678 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:31:33,938 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:31:34,502 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:31:34,864 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:31:35,227 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:31:35,358 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-03-10 18:31:35,585 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:31:35,741 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:31:35,885 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:31:36,254 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:31:36,404 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:31:36,541 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:31:36,813 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:31:36,987 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:31:37,149 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:31:37,492 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:31:37,690 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:31:37,876 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:31:38,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:31:38,257 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:31:38,428 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:31:38,570 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:31:38,789 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2021-03-10 18:31:39,017 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:31:39,249 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:31:39,417 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:31:39,659 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:31:39,899 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:31:40,113 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:31:40,304 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:31:40,573 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:31:40,836 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:31:41,033 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:31:41,315 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:31:41,553 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:31:41,845 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:31:42,116 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:31:42,377 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:31:42,648 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:31:42,860 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:31:43,098 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:31:43,393 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-03-10 18:31:43,628 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:31:43,995 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-03-10 18:31:44,294 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:31:44,571 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-03-10 18:31:44,826 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:31:45,137 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:31:45,536 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:31:45,863 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 87 [2021-03-10 18:31:46,267 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:31:46,728 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:31:47,161 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:31:47,751 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:31:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:31:49,424 INFO L93 Difference]: Finished difference Result 172052 states and 532670 transitions. [2021-03-10 18:31:49,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-10 18:31:49,424 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:31:49,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:31:49,770 INFO L225 Difference]: With dead ends: 172052 [2021-03-10 18:31:49,771 INFO L226 Difference]: Without dead ends: 172052 [2021-03-10 18:31:49,774 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1736 ImplicationChecksByTransitivity, 13981.3ms TimeCoverageRelationStatistics Valid=3440, Invalid=8116, Unknown=0, NotChecked=0, Total=11556 [2021-03-10 18:31:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172052 states. [2021-03-10 18:31:52,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172052 to 109988. [2021-03-10 18:31:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109988 states, 109984 states have (on average 3.094595577538551) internal successors, (340356), 109987 states have internal predecessors, (340356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109988 states to 109988 states and 340356 transitions. [2021-03-10 18:31:53,045 INFO L78 Accepts]: Start accepts. Automaton has 109988 states and 340356 transitions. Word has length 90 [2021-03-10 18:31:53,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:31:53,046 INFO L480 AbstractCegarLoop]: Abstraction has 109988 states and 340356 transitions. [2021-03-10 18:31:53,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 109988 states and 340356 transitions. [2021-03-10 18:31:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:31:53,158 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:31:53,158 INFO L519 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] [2021-03-10 18:31:53,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-10 18:31:53,158 INFO L428 AbstractCegarLoop]: === Iteration 8 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:31:53,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:31:53,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1280883762, now seen corresponding path program 4 times [2021-03-10 18:31:53,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:31:53,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761069344] [2021-03-10 18:31:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:31:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:31:53,760 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-03-10 18:31:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:31:54,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761069344] [2021-03-10 18:31:54,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:31:54,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:31:54,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120772254] [2021-03-10 18:31:54,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:31:54,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:31:54,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:31:54,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:31:54,126 INFO L87 Difference]: Start difference. First operand 109988 states and 340356 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:31:55,537 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:31:55,892 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:31:56,082 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:31:56,275 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2021-03-10 18:31:56,480 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-03-10 18:31:56,846 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:31:57,167 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:31:57,362 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:31:57,729 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:31:58,132 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:31:58,262 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-03-10 18:31:58,503 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:31:58,670 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:31:58,826 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:31:58,962 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2021-03-10 18:31:59,233 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:31:59,395 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:31:59,538 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:31:59,797 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:31:59,972 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:32:00,136 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:32:00,275 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2021-03-10 18:32:00,513 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:32:00,703 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:32:00,860 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:32:01,103 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-03-10 18:32:01,297 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:32:01,472 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:32:01,615 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-03-10 18:32:01,873 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:32:02,071 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:32:02,270 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:32:02,552 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:32:02,767 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:32:02,958 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:32:03,222 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:32:03,448 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:32:03,642 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:32:03,944 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:32:04,191 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:32:04,517 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-03-10 18:32:04,762 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:32:04,983 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:32:05,194 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:32:05,430 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:32:05,738 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2021-03-10 18:32:06,056 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:32:06,300 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:32:06,594 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-03-10 18:32:06,893 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:32:07,215 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 97 [2021-03-10 18:32:07,480 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:32:07,763 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:32:08,107 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2021-03-10 18:32:08,421 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:32:08,788 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 102 [2021-03-10 18:32:09,108 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:32:09,531 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-03-10 18:32:09,808 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:32:10,395 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 101 [2021-03-10 18:32:10,691 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:32:12,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:12,316 INFO L93 Difference]: Finished difference Result 159794 states and 493876 transitions. [2021-03-10 18:32:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-03-10 18:32:12,317 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:32:12,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:12,645 INFO L225 Difference]: With dead ends: 159794 [2021-03-10 18:32:12,646 INFO L226 Difference]: Without dead ends: 159794 [2021-03-10 18:32:12,648 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1870 ImplicationChecksByTransitivity, 14410.2ms TimeCoverageRelationStatistics Valid=3485, Invalid=8505, Unknown=0, NotChecked=0, Total=11990 [2021-03-10 18:32:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159794 states. [2021-03-10 18:32:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159794 to 99341. [2021-03-10 18:32:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99341 states, 99337 states have (on average 3.093600571790974) internal successors, (307309), 99340 states have internal predecessors, (307309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99341 states to 99341 states and 307309 transitions. [2021-03-10 18:32:15,835 INFO L78 Accepts]: Start accepts. Automaton has 99341 states and 307309 transitions. Word has length 90 [2021-03-10 18:32:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:15,835 INFO L480 AbstractCegarLoop]: Abstraction has 99341 states and 307309 transitions. [2021-03-10 18:32:15,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 99341 states and 307309 transitions. [2021-03-10 18:32:15,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:32:15,933 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:15,933 INFO L519 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] [2021-03-10 18:32:15,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-10 18:32:15,934 INFO L428 AbstractCegarLoop]: === Iteration 9 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:15,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1987113454, now seen corresponding path program 5 times [2021-03-10 18:32:15,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:15,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746588785] [2021-03-10 18:32:15,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:16,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746588785] [2021-03-10 18:32:16,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:16,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:32:16,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809696312] [2021-03-10 18:32:16,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:32:16,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:16,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:32:16,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:32:16,498 INFO L87 Difference]: Start difference. First operand 99341 states and 307309 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:16,914 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-03-10 18:32:17,897 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 62 [2021-03-10 18:32:18,113 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:32:18,355 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:32:18,766 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-03-10 18:32:19,365 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:32:19,638 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2021-03-10 18:32:19,873 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 70 [2021-03-10 18:32:20,108 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-03-10 18:32:20,291 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:32:20,529 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:32:20,717 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:32:20,958 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:32:21,174 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-03-10 18:32:21,418 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2021-03-10 18:32:21,633 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:32:21,822 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-03-10 18:32:22,073 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:32:22,303 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:32:22,536 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:32:22,768 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:32:22,982 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:32:23,214 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:32:23,479 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:32:23,755 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 82 [2021-03-10 18:32:23,984 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:32:24,231 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:32:24,517 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:32:24,769 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-03-10 18:32:25,060 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:32:25,420 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:32:25,758 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:32:26,245 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:32:27,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:27,498 INFO L93 Difference]: Finished difference Result 131111 states and 405734 transitions. [2021-03-10 18:32:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-03-10 18:32:27,498 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:32:27,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:27,734 INFO L225 Difference]: With dead ends: 131111 [2021-03-10 18:32:27,734 INFO L226 Difference]: Without dead ends: 131111 [2021-03-10 18:32:27,735 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 8095.8ms TimeCoverageRelationStatistics Valid=1658, Invalid=3892, Unknown=0, NotChecked=0, Total=5550 [2021-03-10 18:32:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131111 states. [2021-03-10 18:32:29,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131111 to 99395. [2021-03-10 18:32:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99395 states, 99391 states have (on average 3.093569840327595) internal successors, (307473), 99394 states have internal predecessors, (307473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99395 states to 99395 states and 307473 transitions. [2021-03-10 18:32:30,614 INFO L78 Accepts]: Start accepts. Automaton has 99395 states and 307473 transitions. Word has length 90 [2021-03-10 18:32:30,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:30,615 INFO L480 AbstractCegarLoop]: Abstraction has 99395 states and 307473 transitions. [2021-03-10 18:32:30,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 99395 states and 307473 transitions. [2021-03-10 18:32:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:32:30,699 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:30,699 INFO L519 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] [2021-03-10 18:32:30,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-10 18:32:30,700 INFO L428 AbstractCegarLoop]: === Iteration 10 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:30,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:30,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1253956910, now seen corresponding path program 6 times [2021-03-10 18:32:30,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:30,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352291052] [2021-03-10 18:32:30,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:31,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352291052] [2021-03-10 18:32:31,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:31,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:32:31,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700992219] [2021-03-10 18:32:31,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:32:31,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:31,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:32:31,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:32:31,259 INFO L87 Difference]: Start difference. First operand 99395 states and 307473 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:32,605 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-03-10 18:32:32,770 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2021-03-10 18:32:32,954 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-03-10 18:32:33,109 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-03-10 18:32:33,377 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-03-10 18:32:33,839 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 81 [2021-03-10 18:32:34,349 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-03-10 18:32:34,616 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 74 [2021-03-10 18:32:34,859 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2021-03-10 18:32:35,074 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:32:35,316 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2021-03-10 18:32:35,493 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:32:35,732 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:32:35,942 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:32:36,123 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:32:36,359 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:32:36,585 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:32:36,794 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:32:37,063 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:32:37,280 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:32:37,501 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:32:37,680 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:32:37,942 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:32:38,171 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:32:38,412 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:32:38,667 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:32:38,890 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:32:39,136 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-03-10 18:32:39,367 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:32:39,569 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:32:39,869 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-03-10 18:32:40,142 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:32:40,388 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-03-10 18:32:40,627 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:32:40,928 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:32:41,249 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:32:41,514 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 87 [2021-03-10 18:32:41,833 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:32:42,231 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:32:42,625 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:32:43,152 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:32:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:32:44,626 INFO L93 Difference]: Finished difference Result 145421 states and 450787 transitions. [2021-03-10 18:32:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-03-10 18:32:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:32:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:32:44,894 INFO L225 Difference]: With dead ends: 145421 [2021-03-10 18:32:44,894 INFO L226 Difference]: Without dead ends: 145421 [2021-03-10 18:32:44,895 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 9867.9ms TimeCoverageRelationStatistics Valid=2126, Invalid=4846, Unknown=0, NotChecked=0, Total=6972 [2021-03-10 18:32:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145421 states. [2021-03-10 18:32:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145421 to 99638. [2021-03-10 18:32:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99638 states, 99634 states have (on average 3.093702952807275) internal successors, (308238), 99637 states have internal predecessors, (308238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99638 states to 99638 states and 308238 transitions. [2021-03-10 18:32:47,895 INFO L78 Accepts]: Start accepts. Automaton has 99638 states and 308238 transitions. Word has length 90 [2021-03-10 18:32:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:32:47,895 INFO L480 AbstractCegarLoop]: Abstraction has 99638 states and 308238 transitions. [2021-03-10 18:32:47,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 99638 states and 308238 transitions. [2021-03-10 18:32:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:32:47,984 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:32:47,984 INFO L519 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] [2021-03-10 18:32:47,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-10 18:32:47,985 INFO L428 AbstractCegarLoop]: === Iteration 11 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:32:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:32:47,985 INFO L82 PathProgramCache]: Analyzing trace with hash 902292710, now seen corresponding path program 7 times [2021-03-10 18:32:47,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:32:47,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742825249] [2021-03-10 18:32:47,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:32:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:32:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:32:48,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742825249] [2021-03-10 18:32:48,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:32:48,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:32:48,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605366403] [2021-03-10 18:32:48,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:32:48,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:32:48,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:32:48,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:32:48,539 INFO L87 Difference]: Start difference. First operand 99638 states and 308238 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:32:49,899 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-03-10 18:32:50,062 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2021-03-10 18:32:50,246 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-03-10 18:32:50,432 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2021-03-10 18:32:50,635 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-03-10 18:32:50,994 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-03-10 18:32:51,209 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-03-10 18:32:51,390 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2021-03-10 18:32:51,998 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-03-10 18:32:52,263 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 74 [2021-03-10 18:32:52,488 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2021-03-10 18:32:52,711 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:32:52,896 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:32:53,134 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:32:53,322 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 80 [2021-03-10 18:32:53,573 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:32:53,776 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:32:54,046 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:32:54,254 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:32:54,437 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 78 [2021-03-10 18:32:54,710 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:32:54,944 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:32:55,177 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2021-03-10 18:32:55,407 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:32:55,618 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:32:55,826 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:32:56,040 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:32:56,303 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2021-03-10 18:32:56,593 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:32:56,816 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:32:57,068 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-03-10 18:32:57,316 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:32:57,593 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 97 [2021-03-10 18:32:57,843 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:32:58,108 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:32:58,404 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2021-03-10 18:32:58,673 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:32:58,975 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 102 [2021-03-10 18:32:59,264 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:32:59,594 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-03-10 18:32:59,861 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:33:00,418 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 101 [2021-03-10 18:33:00,690 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:33:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:02,084 INFO L93 Difference]: Finished difference Result 134594 states and 416339 transitions. [2021-03-10 18:33:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-03-10 18:33:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:33:02,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:02,336 INFO L225 Difference]: With dead ends: 134594 [2021-03-10 18:33:02,336 INFO L226 Difference]: Without dead ends: 134594 [2021-03-10 18:33:02,337 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 10252.9ms TimeCoverageRelationStatistics Valid=2171, Invalid=5139, Unknown=0, NotChecked=0, Total=7310 [2021-03-10 18:33:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134594 states. [2021-03-10 18:33:04,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134594 to 99341. [2021-03-10 18:33:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99341 states, 99337 states have (on average 3.093600571790974) internal successors, (307309), 99340 states have internal predecessors, (307309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99341 states to 99341 states and 307309 transitions. [2021-03-10 18:33:05,246 INFO L78 Accepts]: Start accepts. Automaton has 99341 states and 307309 transitions. Word has length 90 [2021-03-10 18:33:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:05,246 INFO L480 AbstractCegarLoop]: Abstraction has 99341 states and 307309 transitions. [2021-03-10 18:33:05,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 99341 states and 307309 transitions. [2021-03-10 18:33:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:33:05,328 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:05,328 INFO L519 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] [2021-03-10 18:33:05,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-10 18:33:05,328 INFO L428 AbstractCegarLoop]: === Iteration 12 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:05,329 INFO L82 PathProgramCache]: Analyzing trace with hash 256323728, now seen corresponding path program 8 times [2021-03-10 18:33:05,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:05,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517557304] [2021-03-10 18:33:05,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:05,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517557304] [2021-03-10 18:33:05,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:05,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:33:05,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488578618] [2021-03-10 18:33:05,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:33:05,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:05,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:33:05,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:33:05,873 INFO L87 Difference]: Start difference. First operand 99341 states and 307309 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:06,831 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-03-10 18:33:07,209 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:33:07,393 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 67 [2021-03-10 18:33:07,633 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-03-10 18:33:08,033 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:33:08,579 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 71 [2021-03-10 18:33:08,836 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 73 [2021-03-10 18:33:09,079 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 75 [2021-03-10 18:33:09,329 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:33:09,652 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:33:09,863 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 81 [2021-03-10 18:33:10,115 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 81 [2021-03-10 18:33:10,340 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 84 [2021-03-10 18:33:10,569 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:33:10,802 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:33:11,014 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:33:11,283 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 86 [2021-03-10 18:33:11,570 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2021-03-10 18:33:11,796 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:33:12,044 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-03-10 18:33:12,317 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:33:12,569 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 85 [2021-03-10 18:33:12,841 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:33:13,143 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-10 18:33:13,472 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 90 [2021-03-10 18:33:13,949 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:33:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:15,079 INFO L93 Difference]: Finished difference Result 127142 states and 393680 transitions. [2021-03-10 18:33:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-10 18:33:15,080 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:33:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:15,338 INFO L225 Difference]: With dead ends: 127142 [2021-03-10 18:33:15,338 INFO L226 Difference]: Without dead ends: 127142 [2021-03-10 18:33:15,338 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 6680.8ms TimeCoverageRelationStatistics Valid=1325, Invalid=3231, Unknown=0, NotChecked=0, Total=4556 [2021-03-10 18:33:16,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127142 states. [2021-03-10 18:33:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127142 to 99584. [2021-03-10 18:33:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99584 states, 99580 states have (on average 3.093733681462141) internal successors, (308074), 99583 states have internal predecessors, (308074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99584 states to 99584 states and 308074 transitions. [2021-03-10 18:33:17,916 INFO L78 Accepts]: Start accepts. Automaton has 99584 states and 308074 transitions. Word has length 90 [2021-03-10 18:33:17,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:17,916 INFO L480 AbstractCegarLoop]: Abstraction has 99584 states and 308074 transitions. [2021-03-10 18:33:17,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 99584 states and 308074 transitions. [2021-03-10 18:33:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:33:18,336 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:18,336 INFO L519 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] [2021-03-10 18:33:18,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-10 18:33:18,336 INFO L428 AbstractCegarLoop]: === Iteration 13 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:18,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:18,337 INFO L82 PathProgramCache]: Analyzing trace with hash -95340472, now seen corresponding path program 9 times [2021-03-10 18:33:18,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:18,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393477138] [2021-03-10 18:33:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:18,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393477138] [2021-03-10 18:33:18,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:18,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:33:18,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261211156] [2021-03-10 18:33:18,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:33:18,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:18,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:33:18,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:33:18,969 INFO L87 Difference]: Start difference. First operand 99584 states and 308074 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:19,963 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-03-10 18:33:20,128 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:33:20,317 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-03-10 18:33:20,699 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2021-03-10 18:33:20,902 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-03-10 18:33:21,284 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:33:21,500 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:33:21,680 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:33:22,301 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:33:22,567 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2021-03-10 18:33:22,809 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:33:23,092 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2021-03-10 18:33:23,364 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:33:23,568 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-03-10 18:33:23,834 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 85 [2021-03-10 18:33:24,054 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2021-03-10 18:33:24,280 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-03-10 18:33:24,509 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:33:24,716 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:33:24,919 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:33:25,226 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-03-10 18:33:25,498 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 84 [2021-03-10 18:33:25,717 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:33:25,977 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 91 [2021-03-10 18:33:26,226 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-03-10 18:33:26,493 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 95 [2021-03-10 18:33:26,740 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 89 [2021-03-10 18:33:27,025 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 91 [2021-03-10 18:33:27,307 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 97 [2021-03-10 18:33:27,627 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:33:27,970 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 100 [2021-03-10 18:33:28,280 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 96 [2021-03-10 18:33:28,601 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 94 [2021-03-10 18:33:28,852 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 90 [2021-03-10 18:33:29,312 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-03-10 18:33:29,576 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:33:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:30,932 INFO L93 Difference]: Finished difference Result 130544 states and 404039 transitions. [2021-03-10 18:33:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-03-10 18:33:30,933 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:33:30,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:31,188 INFO L225 Difference]: With dead ends: 130544 [2021-03-10 18:33:31,189 INFO L226 Difference]: Without dead ends: 130544 [2021-03-10 18:33:31,189 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 8970.1ms TimeCoverageRelationStatistics Valid=1763, Invalid=4243, Unknown=0, NotChecked=0, Total=6006 [2021-03-10 18:33:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130544 states. [2021-03-10 18:33:33,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130544 to 99341. [2021-03-10 18:33:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99341 states, 99337 states have (on average 3.093600571790974) internal successors, (307309), 99340 states have internal predecessors, (307309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99341 states to 99341 states and 307309 transitions. [2021-03-10 18:33:33,807 INFO L78 Accepts]: Start accepts. Automaton has 99341 states and 307309 transitions. Word has length 90 [2021-03-10 18:33:33,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:33,807 INFO L480 AbstractCegarLoop]: Abstraction has 99341 states and 307309 transitions. [2021-03-10 18:33:33,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 99341 states and 307309 transitions. [2021-03-10 18:33:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:33:33,897 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:33,898 INFO L519 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] [2021-03-10 18:33:33,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-10 18:33:33,898 INFO L428 AbstractCegarLoop]: === Iteration 14 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1750957132, now seen corresponding path program 10 times [2021-03-10 18:33:33,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:33,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87669904] [2021-03-10 18:33:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:34,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87669904] [2021-03-10 18:33:34,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:34,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:33:34,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645995053] [2021-03-10 18:33:34,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:33:34,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:34,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:33:34,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:33:34,900 INFO L87 Difference]: Start difference. First operand 99341 states and 307309 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:35,947 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-03-10 18:33:36,162 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-03-10 18:33:36,561 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-03-10 18:33:36,770 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 81 [2021-03-10 18:33:37,177 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 85 [2021-03-10 18:33:37,434 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-03-10 18:33:38,275 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:33:38,487 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2021-03-10 18:33:38,752 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-03-10 18:33:39,035 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 97 [2021-03-10 18:33:39,242 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-03-10 18:33:39,482 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-10 18:33:39,718 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-03-10 18:33:39,976 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 102 [2021-03-10 18:33:40,193 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-03-10 18:33:40,436 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2021-03-10 18:33:40,667 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-03-10 18:33:40,934 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 82 [2021-03-10 18:33:41,192 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-03-10 18:33:41,547 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 86 [2021-03-10 18:33:42,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:33:42,624 INFO L93 Difference]: Finished difference Result 117962 states and 364288 transitions. [2021-03-10 18:33:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-03-10 18:33:42,625 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:33:42,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:33:42,836 INFO L225 Difference]: With dead ends: 117962 [2021-03-10 18:33:42,836 INFO L226 Difference]: Without dead ends: 117962 [2021-03-10 18:33:42,836 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 5617.3ms TimeCoverageRelationStatistics Valid=1020, Invalid=2762, Unknown=0, NotChecked=0, Total=3782 [2021-03-10 18:33:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117962 states. [2021-03-10 18:33:45,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117962 to 99422. [2021-03-10 18:33:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99422 states, 99418 states have (on average 3.0935544871150094) internal successors, (307555), 99421 states have internal predecessors, (307555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99422 states to 99422 states and 307555 transitions. [2021-03-10 18:33:45,397 INFO L78 Accepts]: Start accepts. Automaton has 99422 states and 307555 transitions. Word has length 90 [2021-03-10 18:33:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:33:45,398 INFO L480 AbstractCegarLoop]: Abstraction has 99422 states and 307555 transitions. [2021-03-10 18:33:45,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 99422 states and 307555 transitions. [2021-03-10 18:33:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:33:45,486 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:33:45,487 INFO L519 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] [2021-03-10 18:33:45,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-10 18:33:45,487 INFO L428 AbstractCegarLoop]: === Iteration 15 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:33:45,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:33:45,487 INFO L82 PathProgramCache]: Analyzing trace with hash 659093042, now seen corresponding path program 11 times [2021-03-10 18:33:45,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:33:45,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771429234] [2021-03-10 18:33:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:33:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:33:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:33:46,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771429234] [2021-03-10 18:33:46,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:33:46,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:33:46,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339803964] [2021-03-10 18:33:46,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:33:46,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:33:46,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:33:46,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:33:46,052 INFO L87 Difference]: Start difference. First operand 99422 states and 307555 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:33:47,674 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-03-10 18:33:47,813 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:33:48,067 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:33:48,339 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-03-10 18:33:48,840 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:33:49,242 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:33:49,613 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:33:49,762 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:33:49,916 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:33:50,143 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:33:50,374 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:33:50,543 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:33:50,760 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 68 [2021-03-10 18:33:50,929 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:33:51,106 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:33:51,345 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-03-10 18:33:51,550 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:33:51,730 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:33:51,893 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:33:52,142 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:33:52,337 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:33:52,525 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:33:52,788 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:33:52,998 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-03-10 18:33:53,199 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:33:53,378 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:33:53,663 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2021-03-10 18:33:53,887 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:33:54,085 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-03-10 18:33:54,274 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:33:54,556 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:33:54,796 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:33:55,058 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:33:55,298 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:33:55,518 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:33:55,731 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:33:55,933 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:33:56,261 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:33:56,565 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 82 [2021-03-10 18:33:56,802 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:33:57,071 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:33:57,403 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:33:57,662 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-03-10 18:33:58,003 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:33:58,438 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:33:58,854 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:33:59,358 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:34:00,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:00,966 INFO L93 Difference]: Finished difference Result 155600 states and 481721 transitions. [2021-03-10 18:34:00,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-10 18:34:00,967 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:34:00,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:01,262 INFO L225 Difference]: With dead ends: 155600 [2021-03-10 18:34:01,263 INFO L226 Difference]: Without dead ends: 155600 [2021-03-10 18:34:01,275 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 10855.8ms TimeCoverageRelationStatistics Valid=2489, Invalid=5701, Unknown=0, NotChecked=0, Total=8190 [2021-03-10 18:34:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155600 states. [2021-03-10 18:34:03,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155600 to 99557. [2021-03-10 18:34:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99557 states, 99553 states have (on average 3.093688788886322) internal successors, (307986), 99556 states have internal predecessors, (307986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99557 states to 99557 states and 307986 transitions. [2021-03-10 18:34:04,046 INFO L78 Accepts]: Start accepts. Automaton has 99557 states and 307986 transitions. Word has length 90 [2021-03-10 18:34:04,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:04,047 INFO L480 AbstractCegarLoop]: Abstraction has 99557 states and 307986 transitions. [2021-03-10 18:34:04,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:04,047 INFO L276 IsEmpty]: Start isEmpty. Operand 99557 states and 307986 transitions. [2021-03-10 18:34:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:34:04,134 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:04,134 INFO L519 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] [2021-03-10 18:34:04,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-10 18:34:04,134 INFO L428 AbstractCegarLoop]: === Iteration 16 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:04,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:04,135 INFO L82 PathProgramCache]: Analyzing trace with hash -74063502, now seen corresponding path program 12 times [2021-03-10 18:34:04,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:04,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924232770] [2021-03-10 18:34:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:04,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924232770] [2021-03-10 18:34:04,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:04,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:34:04,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144470251] [2021-03-10 18:34:04,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:34:04,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:04,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:34:04,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:34:04,702 INFO L87 Difference]: Start difference. First operand 99557 states and 307986 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:05,495 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2021-03-10 18:34:05,906 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2021-03-10 18:34:06,088 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-03-10 18:34:06,258 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:34:06,445 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:34:06,652 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:34:06,815 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:34:07,100 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:34:07,636 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:34:08,034 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:34:08,398 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:34:08,553 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:34:08,792 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:09,016 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:34:09,206 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:34:09,370 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:34:09,583 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:34:09,760 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:10,016 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2021-03-10 18:34:10,199 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:10,385 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:10,630 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:34:10,850 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:34:11,037 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:34:11,302 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:34:11,538 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:34:11,740 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:34:11,923 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:12,208 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:34:12,432 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:34:12,680 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:34:12,866 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:13,171 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:34:13,409 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:34:13,666 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:34:13,950 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:34:14,161 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:34:14,416 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-03-10 18:34:14,649 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:34:14,856 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:34:15,231 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-03-10 18:34:15,544 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:34:15,801 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-03-10 18:34:16,051 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:34:16,360 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:34:16,731 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:34:17,004 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 87 [2021-03-10 18:34:17,370 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:34:17,857 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:34:18,286 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:34:18,814 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:34:20,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:20,493 INFO L93 Difference]: Finished difference Result 161081 states and 499150 transitions. [2021-03-10 18:34:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-03-10 18:34:20,494 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:34:20,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:20,784 INFO L225 Difference]: With dead ends: 161081 [2021-03-10 18:34:20,784 INFO L226 Difference]: Without dead ends: 161081 [2021-03-10 18:34:20,785 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 11414.6ms TimeCoverageRelationStatistics Valid=2549, Invalid=5823, Unknown=0, NotChecked=0, Total=8372 [2021-03-10 18:34:21,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161081 states. [2021-03-10 18:34:23,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161081 to 99800. [2021-03-10 18:34:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99800 states, 99796 states have (on average 3.09382139564712) internal successors, (308751), 99799 states have internal predecessors, (308751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99800 states to 99800 states and 308751 transitions. [2021-03-10 18:34:23,575 INFO L78 Accepts]: Start accepts. Automaton has 99800 states and 308751 transitions. Word has length 90 [2021-03-10 18:34:23,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:23,576 INFO L480 AbstractCegarLoop]: Abstraction has 99800 states and 308751 transitions. [2021-03-10 18:34:23,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 99800 states and 308751 transitions. [2021-03-10 18:34:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:34:23,659 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:23,659 INFO L519 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] [2021-03-10 18:34:23,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-10 18:34:23,659 INFO L428 AbstractCegarLoop]: === Iteration 17 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:23,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:23,660 INFO L82 PathProgramCache]: Analyzing trace with hash -425727702, now seen corresponding path program 13 times [2021-03-10 18:34:23,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:23,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949682206] [2021-03-10 18:34:23,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:24,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949682206] [2021-03-10 18:34:24,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:24,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:34:24,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149080954] [2021-03-10 18:34:24,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:34:24,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:34:24,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:34:24,242 INFO L87 Difference]: Start difference. First operand 99800 states and 308751 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:25,129 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-03-10 18:34:25,738 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:34:25,926 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:34:26,131 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:34:26,332 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2021-03-10 18:34:26,547 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-03-10 18:34:26,948 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:34:27,187 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:34:27,471 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:34:27,771 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:34:28,161 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:34:28,317 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:34:28,550 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:28,782 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:34:28,956 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:34:29,177 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:34:29,360 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:29,612 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-03-10 18:34:29,801 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:29,989 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:30,240 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:34:30,435 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:34:30,708 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:34:30,918 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:34:31,102 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:31,373 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:34:31,591 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:34:31,782 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:32,090 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:34:32,349 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:34:32,606 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-03-10 18:34:32,859 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:34:33,077 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:34:33,291 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:34:33,492 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:34:33,802 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2021-03-10 18:34:34,103 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:34:34,337 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:34:34,611 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-03-10 18:34:34,898 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:34:35,221 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 97 [2021-03-10 18:34:35,480 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:34:35,732 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:34:36,066 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2021-03-10 18:34:36,345 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:34:36,721 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 102 [2021-03-10 18:34:37,050 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:34:37,429 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-03-10 18:34:37,693 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:34:38,190 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 101 [2021-03-10 18:34:38,471 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:34:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:34:40,084 INFO L93 Difference]: Finished difference Result 151901 states and 469704 transitions. [2021-03-10 18:34:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-03-10 18:34:40,085 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:34:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:34:40,366 INFO L225 Difference]: With dead ends: 151901 [2021-03-10 18:34:40,366 INFO L226 Difference]: Without dead ends: 151901 [2021-03-10 18:34:40,367 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 11934.1ms TimeCoverageRelationStatistics Valid=2594, Invalid=6148, Unknown=0, NotChecked=0, Total=8742 [2021-03-10 18:34:41,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151901 states. [2021-03-10 18:34:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151901 to 99422. [2021-03-10 18:34:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99422 states, 99418 states have (on average 3.0935544871150094) internal successors, (307555), 99421 states have internal predecessors, (307555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99422 states to 99422 states and 307555 transitions. [2021-03-10 18:34:43,193 INFO L78 Accepts]: Start accepts. Automaton has 99422 states and 307555 transitions. Word has length 90 [2021-03-10 18:34:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:34:43,193 INFO L480 AbstractCegarLoop]: Abstraction has 99422 states and 307555 transitions. [2021-03-10 18:34:43,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 99422 states and 307555 transitions. [2021-03-10 18:34:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:34:43,283 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:34:43,283 INFO L519 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] [2021-03-10 18:34:43,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-10 18:34:43,283 INFO L428 AbstractCegarLoop]: === Iteration 18 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:34:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:34:43,283 INFO L82 PathProgramCache]: Analyzing trace with hash -542033976, now seen corresponding path program 14 times [2021-03-10 18:34:43,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:34:43,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617192548] [2021-03-10 18:34:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:34:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:34:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:34:43,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617192548] [2021-03-10 18:34:43,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:34:43,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:34:43,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819377513] [2021-03-10 18:34:43,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:34:43,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:34:43,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:34:43,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:34:43,844 INFO L87 Difference]: Start difference. First operand 99422 states and 307555 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:34:44,967 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-03-10 18:34:45,290 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-03-10 18:34:45,461 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-03-10 18:34:45,604 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:34:45,849 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:34:46,111 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-03-10 18:34:46,581 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:34:46,979 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:34:47,377 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:34:47,596 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:34:47,747 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:34:47,906 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:34:48,050 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:34:48,283 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:48,432 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:34:48,661 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:34:48,838 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:34:48,998 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:34:49,222 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 68 [2021-03-10 18:34:49,395 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:34:49,582 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:49,743 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:34:49,990 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 75 [2021-03-10 18:34:50,190 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2021-03-10 18:34:50,377 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:50,548 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:34:50,810 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:34:51,014 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2021-03-10 18:34:51,212 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:34:51,377 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:34:51,643 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:34:51,865 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 79 [2021-03-10 18:34:52,094 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:34:52,282 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:34:52,566 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 79 [2021-03-10 18:34:52,796 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:34:53,002 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2021-03-10 18:34:53,199 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:34:53,490 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 83 [2021-03-10 18:34:53,741 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:34:54,025 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:34:54,276 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-03-10 18:34:54,531 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:34:54,754 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:34:54,965 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:34:55,300 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-03-10 18:34:55,622 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 82 [2021-03-10 18:34:55,869 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:34:56,162 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:34:56,519 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:34:56,827 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-03-10 18:34:57,195 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:34:57,636 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:34:58,057 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:34:58,593 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:35:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:00,076 INFO L93 Difference]: Finished difference Result 160973 states and 498059 transitions. [2021-03-10 18:35:00,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-10 18:35:00,077 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:35:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:00,400 INFO L225 Difference]: With dead ends: 160973 [2021-03-10 18:35:00,400 INFO L226 Difference]: Without dead ends: 160973 [2021-03-10 18:35:00,401 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1497 ImplicationChecksByTransitivity, 12424.5ms TimeCoverageRelationStatistics Valid=2927, Invalid=6775, Unknown=0, NotChecked=0, Total=9702 [2021-03-10 18:35:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160973 states. [2021-03-10 18:35:03,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160973 to 99584. [2021-03-10 18:35:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99584 states, 99580 states have (on average 3.093673428399277) internal successors, (308068), 99583 states have internal predecessors, (308068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99584 states to 99584 states and 308068 transitions. [2021-03-10 18:35:03,458 INFO L78 Accepts]: Start accepts. Automaton has 99584 states and 308068 transitions. Word has length 90 [2021-03-10 18:35:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:03,458 INFO L480 AbstractCegarLoop]: Abstraction has 99584 states and 308068 transitions. [2021-03-10 18:35:03,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 99584 states and 308068 transitions. [2021-03-10 18:35:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:35:03,549 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:03,549 INFO L519 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] [2021-03-10 18:35:03,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-10 18:35:03,549 INFO L428 AbstractCegarLoop]: === Iteration 19 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:03,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:03,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1275190520, now seen corresponding path program 15 times [2021-03-10 18:35:03,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:03,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676991191] [2021-03-10 18:35:03,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:04,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676991191] [2021-03-10 18:35:04,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:04,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:35:04,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719674404] [2021-03-10 18:35:04,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:35:04,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:04,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:35:04,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:35:04,145 INFO L87 Difference]: Start difference. First operand 99584 states and 308068 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:05,130 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-03-10 18:35:05,391 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-03-10 18:35:05,535 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2021-03-10 18:35:05,733 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-03-10 18:35:05,919 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:35:06,124 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:35:06,344 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:35:06,510 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-03-10 18:35:06,822 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:35:07,416 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:35:07,756 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 60 [2021-03-10 18:35:07,959 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:35:08,269 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:35:08,507 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:35:08,671 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:35:08,821 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:35:09,088 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:35:09,245 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:35:09,486 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:35:09,686 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 68 [2021-03-10 18:35:09,862 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:35:10,031 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:35:10,278 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:35:10,474 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:35:10,629 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:35:10,910 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 75 [2021-03-10 18:35:11,123 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:35:11,305 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:35:11,572 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:35:11,801 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2021-03-10 18:35:11,998 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:35:12,175 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:35:12,451 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:35:12,697 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 78 [2021-03-10 18:35:12,932 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:35:13,127 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:35:13,436 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:35:13,669 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 79 [2021-03-10 18:35:13,912 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2021-03-10 18:35:14,107 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:35:14,430 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:35:14,685 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 83 [2021-03-10 18:35:14,950 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:35:15,283 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:35:15,500 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:35:15,773 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 85 [2021-03-10 18:35:16,021 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-03-10 18:35:16,244 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:35:16,639 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 88 [2021-03-10 18:35:16,975 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:35:17,240 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2021-03-10 18:35:17,499 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:35:17,848 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:35:18,252 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:35:18,539 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 87 [2021-03-10 18:35:18,958 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:35:19,444 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:35:19,906 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:35:20,532 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:35:22,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:22,259 INFO L93 Difference]: Finished difference Result 166454 states and 515488 transitions. [2021-03-10 18:35:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-03-10 18:35:22,260 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:35:22,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:22,575 INFO L225 Difference]: With dead ends: 166454 [2021-03-10 18:35:22,575 INFO L226 Difference]: Without dead ends: 166454 [2021-03-10 18:35:22,576 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 13223.6ms TimeCoverageRelationStatistics Valid=2987, Invalid=6913, Unknown=0, NotChecked=0, Total=9900 [2021-03-10 18:35:23,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166454 states. [2021-03-10 18:35:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166454 to 99827. [2021-03-10 18:35:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99827 states, 99823 states have (on average 3.0938060366849323) internal successors, (308833), 99826 states have internal predecessors, (308833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:25,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99827 states to 99827 states and 308833 transitions. [2021-03-10 18:35:25,724 INFO L78 Accepts]: Start accepts. Automaton has 99827 states and 308833 transitions. Word has length 90 [2021-03-10 18:35:25,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:25,724 INFO L480 AbstractCegarLoop]: Abstraction has 99827 states and 308833 transitions. [2021-03-10 18:35:25,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 99827 states and 308833 transitions. [2021-03-10 18:35:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:35:25,807 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:25,807 INFO L519 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] [2021-03-10 18:35:25,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-10 18:35:25,808 INFO L428 AbstractCegarLoop]: === Iteration 20 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:25,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1626854720, now seen corresponding path program 16 times [2021-03-10 18:35:25,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:25,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158100586] [2021-03-10 18:35:25,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:26,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158100586] [2021-03-10 18:35:26,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:26,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:35:26,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192049236] [2021-03-10 18:35:26,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:35:26,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:26,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:35:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:35:26,416 INFO L87 Difference]: Start difference. First operand 99827 states and 308833 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:27,642 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-03-10 18:35:28,055 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2021-03-10 18:35:28,252 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-03-10 18:35:28,465 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-03-10 18:35:28,671 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2021-03-10 18:35:28,908 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-03-10 18:35:29,338 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:35:29,596 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:35:29,786 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 79 [2021-03-10 18:35:30,215 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2021-03-10 18:35:30,602 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:35:30,871 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2021-03-10 18:35:31,045 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 69 [2021-03-10 18:35:31,204 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:35:31,482 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:35:31,637 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:35:31,883 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 72 [2021-03-10 18:35:32,066 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2021-03-10 18:35:32,241 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:35:32,475 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-03-10 18:35:32,664 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:35:32,815 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:35:33,062 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-03-10 18:35:33,280 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:35:33,453 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 72 [2021-03-10 18:35:33,717 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 78 [2021-03-10 18:35:33,922 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2021-03-10 18:35:34,096 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2021-03-10 18:35:34,377 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 82 [2021-03-10 18:35:34,597 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:35:34,790 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2021-03-10 18:35:35,087 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:35:35,335 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2021-03-10 18:35:35,560 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:35:35,877 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:35:36,128 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:35:36,417 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2021-03-10 18:35:36,666 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:35:36,899 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:35:37,119 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 85 [2021-03-10 18:35:37,329 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 82 [2021-03-10 18:35:37,666 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 92 [2021-03-10 18:35:38,007 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 86 [2021-03-10 18:35:38,250 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:35:38,571 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 93 [2021-03-10 18:35:38,841 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 89 [2021-03-10 18:35:39,208 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 97 [2021-03-10 18:35:39,500 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 91 [2021-03-10 18:35:39,765 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 93 [2021-03-10 18:35:40,140 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2021-03-10 18:35:40,433 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 95 [2021-03-10 18:35:40,891 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 102 [2021-03-10 18:35:41,228 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 98 [2021-03-10 18:35:41,653 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2021-03-10 18:35:41,932 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 92 [2021-03-10 18:35:42,480 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 101 [2021-03-10 18:35:42,776 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:35:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:35:44,486 INFO L93 Difference]: Finished difference Result 157274 states and 486042 transitions. [2021-03-10 18:35:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-03-10 18:35:44,489 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:35:44,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:35:44,777 INFO L225 Difference]: With dead ends: 157274 [2021-03-10 18:35:44,777 INFO L226 Difference]: Without dead ends: 157274 [2021-03-10 18:35:44,778 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 13354.5ms TimeCoverageRelationStatistics Valid=3032, Invalid=7270, Unknown=0, NotChecked=0, Total=10302 [2021-03-10 18:35:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157274 states. [2021-03-10 18:35:47,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157274 to 99422. [2021-03-10 18:35:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99422 states, 99418 states have (on average 3.0935544871150094) internal successors, (307555), 99421 states have internal predecessors, (307555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99422 states to 99422 states and 307555 transitions. [2021-03-10 18:35:47,557 INFO L78 Accepts]: Start accepts. Automaton has 99422 states and 307555 transitions. Word has length 90 [2021-03-10 18:35:47,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:35:47,557 INFO L480 AbstractCegarLoop]: Abstraction has 99422 states and 307555 transitions. [2021-03-10 18:35:47,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 99422 states and 307555 transitions. [2021-03-10 18:35:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:35:47,646 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:35:47,646 INFO L519 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] [2021-03-10 18:35:47,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-10 18:35:47,647 INFO L428 AbstractCegarLoop]: === Iteration 21 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:35:47,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:35:47,647 INFO L82 PathProgramCache]: Analyzing trace with hash -100527326, now seen corresponding path program 17 times [2021-03-10 18:35:47,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:35:47,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848006406] [2021-03-10 18:35:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:35:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:35:48,161 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-03-10 18:35:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:35:48,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848006406] [2021-03-10 18:35:48,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:35:48,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:35:48,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546677242] [2021-03-10 18:35:48,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:35:48,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:35:48,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:35:48,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:35:48,607 INFO L87 Difference]: Start difference. First operand 99422 states and 307555 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:35:49,701 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2021-03-10 18:35:49,972 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-03-10 18:35:50,237 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:35:50,523 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-03-10 18:35:51,350 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 58 [2021-03-10 18:35:51,588 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:35:52,020 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 56 [2021-03-10 18:35:52,372 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2021-03-10 18:35:52,682 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-03-10 18:35:52,966 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:35:53,151 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-03-10 18:35:53,289 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-03-10 18:35:53,470 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2021-03-10 18:35:53,808 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:35:53,993 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-03-10 18:35:54,151 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2021-03-10 18:35:54,300 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-03-10 18:35:54,472 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-10 18:35:54,793 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 70 [2021-03-10 18:35:54,963 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:35:55,123 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2021-03-10 18:35:55,305 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:35:55,548 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-03-10 18:35:55,777 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 70 [2021-03-10 18:35:55,974 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-03-10 18:35:56,160 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2021-03-10 18:35:56,302 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-03-10 18:35:56,476 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2021-03-10 18:35:56,724 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 70 [2021-03-10 18:35:56,935 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-03-10 18:35:57,100 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2021-03-10 18:35:57,456 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-03-10 18:35:57,661 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2021-03-10 18:35:57,850 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2021-03-10 18:35:58,012 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-03-10 18:35:58,182 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-03-10 18:35:58,559 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 74 [2021-03-10 18:35:58,792 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 78 [2021-03-10 18:35:58,978 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-03-10 18:35:59,300 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 78 [2021-03-10 18:35:59,540 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:35:59,747 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:36:00,047 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 79 [2021-03-10 18:36:00,296 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:36:00,511 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2021-03-10 18:36:00,864 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 83 [2021-03-10 18:36:01,138 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 85 [2021-03-10 18:36:01,503 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-03-10 18:36:01,771 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 87 [2021-03-10 18:36:02,010 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2021-03-10 18:36:02,241 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 78 [2021-03-10 18:36:02,630 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2021-03-10 18:36:02,994 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 82 [2021-03-10 18:36:03,253 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 82 [2021-03-10 18:36:03,598 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 89 [2021-03-10 18:36:04,039 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 93 [2021-03-10 18:36:04,323 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 87 [2021-03-10 18:36:04,761 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 97 [2021-03-10 18:36:05,217 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 100 [2021-03-10 18:36:05,668 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 92 [2021-03-10 18:36:06,287 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 97 [2021-03-10 18:36:07,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:07,813 INFO L93 Difference]: Finished difference Result 168158 states and 518864 transitions. [2021-03-10 18:36:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-10 18:36:07,814 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:36:07,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:08,122 INFO L225 Difference]: With dead ends: 168158 [2021-03-10 18:36:08,122 INFO L226 Difference]: Without dead ends: 168158 [2021-03-10 18:36:08,122 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2462 ImplicationChecksByTransitivity, 14768.5ms TimeCoverageRelationStatistics Valid=3799, Invalid=9541, Unknown=0, NotChecked=0, Total=13340 [2021-03-10 18:36:09,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168158 states. [2021-03-10 18:36:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168158 to 113552. [2021-03-10 18:36:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113552 states, 113548 states have (on average 3.097412547997323) internal successors, (351705), 113551 states have internal predecessors, (351705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113552 states to 113552 states and 351705 transitions. [2021-03-10 18:36:11,414 INFO L78 Accepts]: Start accepts. Automaton has 113552 states and 351705 transitions. Word has length 90 [2021-03-10 18:36:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:11,415 INFO L480 AbstractCegarLoop]: Abstraction has 113552 states and 351705 transitions. [2021-03-10 18:36:11,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 113552 states and 351705 transitions. [2021-03-10 18:36:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:36:11,525 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:11,525 INFO L519 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] [2021-03-10 18:36:11,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-10 18:36:11,525 INFO L428 AbstractCegarLoop]: === Iteration 22 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1994437418, now seen corresponding path program 18 times [2021-03-10 18:36:11,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:11,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005449901] [2021-03-10 18:36:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:12,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005449901] [2021-03-10 18:36:12,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:12,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:36:12,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645239865] [2021-03-10 18:36:12,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:36:12,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:12,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:36:12,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:36:12,512 INFO L87 Difference]: Start difference. First operand 113552 states and 351705 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:13,798 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2021-03-10 18:36:14,003 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2021-03-10 18:36:14,187 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:36:14,337 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-03-10 18:36:14,792 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-03-10 18:36:15,113 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 66 [2021-03-10 18:36:15,968 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:36:16,639 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-03-10 18:36:17,150 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:36:17,334 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-03-10 18:36:17,469 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:36:17,996 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:36:18,166 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-10 18:36:18,324 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:36:18,464 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-10 18:36:18,692 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-03-10 18:36:19,110 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:36:19,274 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-03-10 18:36:19,427 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:36:19,918 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:36:20,147 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:36:20,343 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:36:20,482 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:36:20,707 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 70 [2021-03-10 18:36:21,283 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-03-10 18:36:21,487 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:36:21,648 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:36:21,873 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 70 [2021-03-10 18:36:22,127 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2021-03-10 18:36:22,469 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:36:22,656 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:36:22,829 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:36:23,068 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 75 [2021-03-10 18:36:23,285 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2021-03-10 18:36:23,794 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:36:23,977 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:36:24,247 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 74 [2021-03-10 18:36:24,480 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2021-03-10 18:36:24,760 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:36:25,038 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:36:25,262 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:36:25,545 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 78 [2021-03-10 18:36:25,794 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 79 [2021-03-10 18:36:25,949 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:36:26,108 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-03-10 18:36:26,368 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:36:26,631 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2021-03-10 18:36:26,887 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2021-03-10 18:36:27,111 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 73 [2021-03-10 18:36:27,265 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:36:27,638 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2021-03-10 18:36:27,941 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-03-10 18:36:28,260 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:36:28,519 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-03-10 18:36:28,795 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 85 [2021-03-10 18:36:29,045 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 77 [2021-03-10 18:36:29,293 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 78 [2021-03-10 18:36:29,461 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:36:29,871 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 88 [2021-03-10 18:36:30,271 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 82 [2021-03-10 18:36:30,545 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 82 [2021-03-10 18:36:30,947 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 89 [2021-03-10 18:36:31,436 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:36:31,735 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 87 [2021-03-10 18:36:32,236 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:36:32,775 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 98 [2021-03-10 18:36:33,290 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 92 [2021-03-10 18:36:34,037 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2021-03-10 18:36:35,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:36:35,925 INFO L93 Difference]: Finished difference Result 172548 states and 533567 transitions. [2021-03-10 18:36:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-03-10 18:36:35,926 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:36:35,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:36:36,247 INFO L225 Difference]: With dead ends: 172548 [2021-03-10 18:36:36,247 INFO L226 Difference]: Without dead ends: 172548 [2021-03-10 18:36:36,248 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3855 ImplicationChecksByTransitivity, 17466.6ms TimeCoverageRelationStatistics Valid=4723, Invalid=13367, Unknown=0, NotChecked=0, Total=18090 [2021-03-10 18:36:37,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172548 states. [2021-03-10 18:36:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172548 to 113552. [2021-03-10 18:36:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113552 states, 113548 states have (on average 3.097412547997323) internal successors, (351705), 113551 states have internal predecessors, (351705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113552 states to 113552 states and 351705 transitions. [2021-03-10 18:36:39,459 INFO L78 Accepts]: Start accepts. Automaton has 113552 states and 351705 transitions. Word has length 90 [2021-03-10 18:36:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:36:39,460 INFO L480 AbstractCegarLoop]: Abstraction has 113552 states and 351705 transitions. [2021-03-10 18:36:39,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 113552 states and 351705 transitions. [2021-03-10 18:36:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:36:39,560 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:36:39,560 INFO L519 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] [2021-03-10 18:36:39,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-10 18:36:39,561 INFO L428 AbstractCegarLoop]: === Iteration 23 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:36:39,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:36:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1261280874, now seen corresponding path program 19 times [2021-03-10 18:36:39,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:36:39,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735813309] [2021-03-10 18:36:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:36:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:36:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:36:40,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735813309] [2021-03-10 18:36:40,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:36:40,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:36:40,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041032803] [2021-03-10 18:36:40,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:36:40,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:36:40,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:36:40,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:36:40,137 INFO L87 Difference]: Start difference. First operand 113552 states and 351705 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:36:41,738 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2021-03-10 18:36:41,945 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2021-03-10 18:36:42,133 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:36:42,333 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2021-03-10 18:36:42,549 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-03-10 18:36:42,723 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-03-10 18:36:43,035 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-03-10 18:36:43,993 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:36:44,667 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-03-10 18:36:45,181 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:36:45,374 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-03-10 18:36:45,511 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:36:46,002 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:36:46,174 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-10 18:36:46,348 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:36:46,490 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-10 18:36:46,965 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:36:47,132 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-03-10 18:36:47,287 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:36:47,794 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:36:48,029 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-03-10 18:36:48,223 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:36:48,405 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:36:48,544 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:36:48,775 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 70 [2021-03-10 18:36:49,015 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2021-03-10 18:36:49,367 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-03-10 18:36:49,573 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:36:49,736 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:36:50,013 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2021-03-10 18:36:50,357 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:36:50,544 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:36:50,703 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:36:50,944 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 75 [2021-03-10 18:36:51,207 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2021-03-10 18:36:51,469 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:36:51,700 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:36:51,884 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:36:52,147 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 74 [2021-03-10 18:36:52,421 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:36:52,690 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:36:52,924 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:36:53,132 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:36:53,428 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 78 [2021-03-10 18:36:53,585 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:36:53,743 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-03-10 18:36:54,039 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:36:54,249 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:36:54,549 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 79 [2021-03-10 18:36:54,808 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 80 [2021-03-10 18:36:54,962 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:36:55,123 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 63 [2021-03-10 18:36:55,460 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:36:55,758 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 83 [2021-03-10 18:36:56,049 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 83 [2021-03-10 18:36:56,236 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:36:56,548 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:36:56,779 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:36:57,041 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-03-10 18:36:57,326 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 85 [2021-03-10 18:36:57,604 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 77 [2021-03-10 18:36:57,781 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:36:57,949 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 63 [2021-03-10 18:36:58,367 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 88 [2021-03-10 18:36:58,728 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:36:59,027 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 82 [2021-03-10 18:36:59,303 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 82 [2021-03-10 18:36:59,497 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-03-10 18:36:59,860 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 89 [2021-03-10 18:37:00,340 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:37:00,646 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 87 [2021-03-10 18:37:01,211 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:37:01,766 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 98 [2021-03-10 18:37:02,290 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 92 [2021-03-10 18:37:03,019 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2021-03-10 18:37:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:04,901 INFO L93 Difference]: Finished difference Result 178029 states and 550996 transitions. [2021-03-10 18:37:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-03-10 18:37:04,901 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:37:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:05,415 INFO L225 Difference]: With dead ends: 178029 [2021-03-10 18:37:05,416 INFO L226 Difference]: Without dead ends: 178029 [2021-03-10 18:37:05,416 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4304 ImplicationChecksByTransitivity, 18776.2ms TimeCoverageRelationStatistics Valid=4982, Invalid=14478, Unknown=0, NotChecked=0, Total=19460 [2021-03-10 18:37:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178029 states. [2021-03-10 18:37:08,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178029 to 113552. [2021-03-10 18:37:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113552 states, 113548 states have (on average 3.097412547997323) internal successors, (351705), 113551 states have internal predecessors, (351705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113552 states to 113552 states and 351705 transitions. [2021-03-10 18:37:08,460 INFO L78 Accepts]: Start accepts. Automaton has 113552 states and 351705 transitions. Word has length 90 [2021-03-10 18:37:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:37:08,460 INFO L480 AbstractCegarLoop]: Abstraction has 113552 states and 351705 transitions. [2021-03-10 18:37:08,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 113552 states and 351705 transitions. [2021-03-10 18:37:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:37:08,568 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:37:08,568 INFO L519 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] [2021-03-10 18:37:08,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-10 18:37:08,568 INFO L428 AbstractCegarLoop]: === Iteration 24 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:37:08,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:37:08,568 INFO L82 PathProgramCache]: Analyzing trace with hash 909616674, now seen corresponding path program 20 times [2021-03-10 18:37:08,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:37:08,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255669289] [2021-03-10 18:37:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:37:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:37:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:37:09,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255669289] [2021-03-10 18:37:09,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:37:09,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:37:09,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631679885] [2021-03-10 18:37:09,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:37:09,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:37:09,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:37:09,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:37:09,184 INFO L87 Difference]: Start difference. First operand 113552 states and 351705 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:10,114 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2021-03-10 18:37:10,871 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2021-03-10 18:37:11,084 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2021-03-10 18:37:11,274 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-03-10 18:37:11,482 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 60 [2021-03-10 18:37:11,704 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-03-10 18:37:11,929 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2021-03-10 18:37:12,174 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-03-10 18:37:12,958 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-03-10 18:37:13,358 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:37:13,593 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 79 [2021-03-10 18:37:14,283 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-03-10 18:37:14,835 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:37:15,031 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2021-03-10 18:37:15,168 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:37:15,689 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-03-10 18:37:15,866 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-03-10 18:37:16,029 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:37:16,173 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-03-10 18:37:16,676 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:37:16,846 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2021-03-10 18:37:17,002 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:37:17,506 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-03-10 18:37:17,749 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 72 [2021-03-10 18:37:17,948 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 74 [2021-03-10 18:37:18,135 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:37:18,289 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:37:18,923 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 73 [2021-03-10 18:37:19,134 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:37:19,299 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:37:19,590 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 58 [2021-03-10 18:37:19,949 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 74 [2021-03-10 18:37:20,171 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:37:20,367 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:37:20,531 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-03-10 18:37:20,849 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 55 [2021-03-10 18:37:21,127 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:37:21,348 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 78 [2021-03-10 18:37:21,541 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2021-03-10 18:37:21,714 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-03-10 18:37:21,860 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:37:22,167 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:37:22,408 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:37:22,623 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 77 [2021-03-10 18:37:22,817 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-03-10 18:37:22,978 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-03-10 18:37:23,269 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:37:23,547 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 84 [2021-03-10 18:37:23,766 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:37:23,965 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-03-10 18:37:24,132 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 63 [2021-03-10 18:37:24,463 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:37:24,740 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2021-03-10 18:37:24,996 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 66 [2021-03-10 18:37:25,299 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 87 [2021-03-10 18:37:25,574 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 89 [2021-03-10 18:37:25,818 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:37:26,089 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:37:26,353 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 85 [2021-03-10 18:37:26,526 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-03-10 18:37:26,694 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 63 [2021-03-10 18:37:26,864 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-03-10 18:37:27,229 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 92 [2021-03-10 18:37:27,463 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-03-10 18:37:27,810 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:37:28,075 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:37:28,292 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-03-10 18:37:28,498 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-03-10 18:37:28,854 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:37:29,147 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 89 [2021-03-10 18:37:29,578 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-03-10 18:37:29,871 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2021-03-10 18:37:30,204 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2021-03-10 18:37:30,420 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-03-10 18:37:30,869 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-03-10 18:37:31,264 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 95 [2021-03-10 18:37:31,479 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:37:31,972 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 102 [2021-03-10 18:37:32,332 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 98 [2021-03-10 18:37:32,563 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 81 [2021-03-10 18:37:33,026 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-03-10 18:37:33,335 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 92 [2021-03-10 18:37:33,538 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-03-10 18:37:34,327 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2021-03-10 18:37:34,659 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 97 [2021-03-10 18:37:34,891 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 83 [2021-03-10 18:37:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:37,159 INFO L93 Difference]: Finished difference Result 172656 states and 533193 transitions. [2021-03-10 18:37:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-03-10 18:37:37,160 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:37:37,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:37,481 INFO L225 Difference]: With dead ends: 172656 [2021-03-10 18:37:37,482 INFO L226 Difference]: Without dead ends: 172656 [2021-03-10 18:37:37,483 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5292 ImplicationChecksByTransitivity, 21098.3ms TimeCoverageRelationStatistics Valid=5420, Invalid=16930, Unknown=0, NotChecked=0, Total=22350 [2021-03-10 18:37:38,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172656 states. [2021-03-10 18:37:40,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172656 to 98988. [2021-03-10 18:37:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98988 states, 98984 states have (on average 3.0930554433039683) internal successors, (306163), 98987 states have internal predecessors, (306163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98988 states to 98988 states and 306163 transitions. [2021-03-10 18:37:40,531 INFO L78 Accepts]: Start accepts. Automaton has 98988 states and 306163 transitions. Word has length 90 [2021-03-10 18:37:40,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:37:40,532 INFO L480 AbstractCegarLoop]: Abstraction has 98988 states and 306163 transitions. [2021-03-10 18:37:40,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:40,532 INFO L276 IsEmpty]: Start isEmpty. Operand 98988 states and 306163 transitions. [2021-03-10 18:37:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-03-10 18:37:40,648 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:37:40,648 INFO L519 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] [2021-03-10 18:37:40,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-10 18:37:40,648 INFO L428 AbstractCegarLoop]: === Iteration 25 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:37:40,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:37:40,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1457205810, now seen corresponding path program 21 times [2021-03-10 18:37:40,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:37:40,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026466406] [2021-03-10 18:37:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:37:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:37:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:37:41,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026466406] [2021-03-10 18:37:41,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:37:41,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:37:41,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469124938] [2021-03-10 18:37:41,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:37:41,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:37:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:37:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:37:41,307 INFO L87 Difference]: Start difference. First operand 98988 states and 306163 transitions. Second operand has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:37:42,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2021-03-10 18:37:42,822 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-03-10 18:37:43,059 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:37:43,324 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-03-10 18:37:44,031 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 85 [2021-03-10 18:37:44,324 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-03-10 18:37:44,794 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2021-03-10 18:37:44,952 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-03-10 18:37:45,123 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2021-03-10 18:37:45,291 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-03-10 18:37:45,484 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 66 [2021-03-10 18:37:45,626 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-03-10 18:37:45,802 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 65 [2021-03-10 18:37:46,016 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2021-03-10 18:37:46,190 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2021-03-10 18:37:46,352 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-03-10 18:37:46,505 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2021-03-10 18:37:46,789 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-03-10 18:37:46,962 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-03-10 18:37:47,128 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-03-10 18:37:47,307 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-03-10 18:37:47,558 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2021-03-10 18:37:47,756 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-03-10 18:37:47,943 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2021-03-10 18:37:48,089 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2021-03-10 18:37:48,344 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-03-10 18:37:48,557 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 81 [2021-03-10 18:37:48,722 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-03-10 18:37:48,983 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-03-10 18:37:49,191 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 78 [2021-03-10 18:37:49,381 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2021-03-10 18:37:49,548 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-03-10 18:37:49,821 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78 [2021-03-10 18:37:50,040 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2021-03-10 18:37:50,240 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 74 [2021-03-10 18:37:50,549 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2021-03-10 18:37:50,790 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 85 [2021-03-10 18:37:51,007 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-03-10 18:37:51,291 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-03-10 18:37:51,539 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 86 [2021-03-10 18:37:51,752 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-03-10 18:37:52,082 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:37:52,357 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 89 [2021-03-10 18:37:52,665 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:37:52,951 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2021-03-10 18:37:53,191 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 81 [2021-03-10 18:37:53,422 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 82 [2021-03-10 18:37:53,797 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 94 [2021-03-10 18:37:54,143 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 86 [2021-03-10 18:37:54,407 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2021-03-10 18:37:54,739 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 93 [2021-03-10 18:37:55,152 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 97 [2021-03-10 18:37:55,473 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 91 [2021-03-10 18:37:55,896 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 101 [2021-03-10 18:37:56,345 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 104 [2021-03-10 18:37:56,782 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2021-03-10 18:37:57,408 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2021-03-10 18:37:59,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:37:59,044 INFO L93 Difference]: Finished difference Result 136573 states and 421790 transitions. [2021-03-10 18:37:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-03-10 18:37:59,045 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-03-10 18:37:59,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:37:59,295 INFO L225 Difference]: With dead ends: 136573 [2021-03-10 18:37:59,295 INFO L226 Difference]: Without dead ends: 136573 [2021-03-10 18:37:59,296 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1645 ImplicationChecksByTransitivity, 13421.9ms TimeCoverageRelationStatistics Valid=3079, Invalid=7427, Unknown=0, NotChecked=0, Total=10506 [2021-03-10 18:38:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136573 states. [2021-03-10 18:38:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136573 to 101643. [2021-03-10 18:38:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101643 states, 101639 states have (on average 3.0919528920985053) internal successors, (314263), 101642 states have internal predecessors, (314263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101643 states to 101643 states and 314263 transitions. [2021-03-10 18:38:02,100 INFO L78 Accepts]: Start accepts. Automaton has 101643 states and 314263 transitions. Word has length 90 [2021-03-10 18:38:02,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:02,101 INFO L480 AbstractCegarLoop]: Abstraction has 101643 states and 314263 transitions. [2021-03-10 18:38:02,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 101643 states and 314263 transitions. [2021-03-10 18:38:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-03-10 18:38:02,196 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:02,196 INFO L519 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] [2021-03-10 18:38:02,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-10 18:38:02,196 INFO L428 AbstractCegarLoop]: === Iteration 26 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:02,196 INFO L82 PathProgramCache]: Analyzing trace with hash -181277474, now seen corresponding path program 1 times [2021-03-10 18:38:02,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:02,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530015447] [2021-03-10 18:38:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:02,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530015447] [2021-03-10 18:38:02,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:02,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-03-10 18:38:02,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437080587] [2021-03-10 18:38:02,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-10 18:38:02,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:02,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-10 18:38:02,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-03-10 18:38:02,792 INFO L87 Difference]: Start difference. First operand 101643 states and 314263 transitions. Second operand has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:04,186 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-03-10 18:38:04,657 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-03-10 18:38:04,993 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2021-03-10 18:38:05,190 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-03-10 18:38:05,341 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-03-10 18:38:05,541 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2021-03-10 18:38:05,764 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2021-03-10 18:38:05,918 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-03-10 18:38:06,132 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2021-03-10 18:38:06,373 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2021-03-10 18:38:06,971 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 77 [2021-03-10 18:38:07,219 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 84 [2021-03-10 18:38:07,420 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2021-03-10 18:38:07,804 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 91 [2021-03-10 18:38:08,051 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:38:08,699 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-03-10 18:38:09,282 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2021-03-10 18:38:09,450 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-03-10 18:38:09,586 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-03-10 18:38:10,090 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2021-03-10 18:38:10,267 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2021-03-10 18:38:10,431 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-10 18:38:10,573 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-03-10 18:38:11,054 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-03-10 18:38:11,227 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 79 [2021-03-10 18:38:11,382 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2021-03-10 18:38:11,864 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2021-03-10 18:38:12,087 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 81 [2021-03-10 18:38:12,285 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2021-03-10 18:38:12,478 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-10 18:38:12,616 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-03-10 18:38:13,207 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 82 [2021-03-10 18:38:13,421 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 86 [2021-03-10 18:38:13,587 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2021-03-10 18:38:14,188 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-03-10 18:38:14,401 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-03-10 18:38:14,595 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-03-10 18:38:14,757 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2021-03-10 18:38:15,298 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-03-10 18:38:15,520 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 87 [2021-03-10 18:38:15,711 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2021-03-10 18:38:16,028 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-03-10 18:38:16,320 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 89 [2021-03-10 18:38:16,566 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-03-10 18:38:16,782 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 86 [2021-03-10 18:38:16,976 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2021-03-10 18:38:17,122 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2021-03-10 18:38:17,382 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 90 [2021-03-10 18:38:17,635 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 91 [2021-03-10 18:38:17,878 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 85 [2021-03-10 18:38:18,087 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-03-10 18:38:18,237 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-03-10 18:38:18,526 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 94 [2021-03-10 18:38:18,804 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 94 [2021-03-10 18:38:19,045 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2021-03-10 18:38:19,311 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 96 [2021-03-10 18:38:19,590 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 96 [2021-03-10 18:38:19,840 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2021-03-10 18:38:20,087 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-03-10 18:38:20,354 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 89 [2021-03-10 18:38:20,534 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-03-10 18:38:20,690 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-03-10 18:38:20,846 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-03-10 18:38:21,186 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 99 [2021-03-10 18:38:21,413 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-03-10 18:38:21,742 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 93 [2021-03-10 18:38:22,018 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 93 [2021-03-10 18:38:22,227 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2021-03-10 18:38:22,390 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-03-10 18:38:22,705 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 100 [2021-03-10 18:38:23,027 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-03-10 18:38:23,430 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 104 [2021-03-10 18:38:23,731 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2021-03-10 18:38:24,065 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 97 [2021-03-10 18:38:24,266 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-03-10 18:38:24,652 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 106 [2021-03-10 18:38:25,006 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 99 [2021-03-10 18:38:25,208 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2021-03-10 18:38:25,625 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 109 [2021-03-10 18:38:26,033 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 102 [2021-03-10 18:38:26,253 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-03-10 18:38:26,643 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 103 [2021-03-10 18:38:26,955 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2021-03-10 18:38:27,144 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 80 [2021-03-10 18:38:27,780 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 108 [2021-03-10 18:38:28,106 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-03-10 18:38:28,320 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 85 [2021-03-10 18:38:30,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:38:30,566 INFO L93 Difference]: Finished difference Result 140642 states and 434080 transitions. [2021-03-10 18:38:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-03-10 18:38:30,567 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2021-03-10 18:38:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:38:30,835 INFO L225 Difference]: With dead ends: 140642 [2021-03-10 18:38:30,835 INFO L226 Difference]: Without dead ends: 140642 [2021-03-10 18:38:30,836 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5983 ImplicationChecksByTransitivity, 21718.2ms TimeCoverageRelationStatistics Valid=5867, Invalid=18939, Unknown=0, NotChecked=0, Total=24806 [2021-03-10 18:38:31,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140642 states. [2021-03-10 18:38:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140642 to 101643. [2021-03-10 18:38:33,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101643 states, 101639 states have (on average 3.0919528920985053) internal successors, (314263), 101642 states have internal predecessors, (314263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101643 states to 101643 states and 314263 transitions. [2021-03-10 18:38:33,566 INFO L78 Accepts]: Start accepts. Automaton has 101643 states and 314263 transitions. Word has length 91 [2021-03-10 18:38:33,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:33,567 INFO L480 AbstractCegarLoop]: Abstraction has 101643 states and 314263 transitions. [2021-03-10 18:38:33,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.25) internal successors, (91), 28 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 101643 states and 314263 transitions. [2021-03-10 18:38:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:38:33,660 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:33,660 INFO L519 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] [2021-03-10 18:38:33,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-10 18:38:33,661 INFO L428 AbstractCegarLoop]: === Iteration 27 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:33,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:33,661 INFO L82 PathProgramCache]: Analyzing trace with hash -339197771, now seen corresponding path program 1 times [2021-03-10 18:38:33,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:33,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217593863] [2021-03-10 18:38:33,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:34,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217593863] [2021-03-10 18:38:34,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:34,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-03-10 18:38:34,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475936091] [2021-03-10 18:38:34,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-10 18:38:34,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:34,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-10 18:38:34,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=984, Unknown=0, NotChecked=0, Total=1056 [2021-03-10 18:38:34,911 INFO L87 Difference]: Start difference. First operand 101643 states and 314263 transitions. Second operand has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:36,184 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 59 [2021-03-10 18:38:36,358 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 61 [2021-03-10 18:38:36,652 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 68 [2021-03-10 18:38:36,965 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 72 [2021-03-10 18:38:37,247 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 75 [2021-03-10 18:38:38,112 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 77 [2021-03-10 18:38:38,445 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 81 [2021-03-10 18:38:38,753 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 79 [2021-03-10 18:38:40,772 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-03-10 18:38:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:38:44,430 INFO L93 Difference]: Finished difference Result 225744 states and 698814 transitions. [2021-03-10 18:38:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-10 18:38:44,431 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:38:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:38:44,896 INFO L225 Difference]: With dead ends: 225744 [2021-03-10 18:38:44,896 INFO L226 Difference]: Without dead ends: 225744 [2021-03-10 18:38:44,896 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 5495.2ms TimeCoverageRelationStatistics Valid=1087, Invalid=4919, Unknown=0, NotChecked=0, Total=6006 [2021-03-10 18:38:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225744 states. [2021-03-10 18:38:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225744 to 146088. [2021-03-10 18:38:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146088 states, 146084 states have (on average 3.091844418279894) internal successors, (451669), 146087 states have internal predecessors, (451669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146088 states to 146088 states and 451669 transitions. [2021-03-10 18:38:49,048 INFO L78 Accepts]: Start accepts. Automaton has 146088 states and 451669 transitions. Word has length 93 [2021-03-10 18:38:49,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:38:49,048 INFO L480 AbstractCegarLoop]: Abstraction has 146088 states and 451669 transitions. [2021-03-10 18:38:49,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 146088 states and 451669 transitions. [2021-03-10 18:38:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:38:49,204 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:38:49,205 INFO L519 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] [2021-03-10 18:38:49,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-10 18:38:49,205 INFO L428 AbstractCegarLoop]: === Iteration 28 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:38:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:38:49,205 INFO L82 PathProgramCache]: Analyzing trace with hash 585712557, now seen corresponding path program 2 times [2021-03-10 18:38:49,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:38:49,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735230320] [2021-03-10 18:38:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:38:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:38:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:38:50,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735230320] [2021-03-10 18:38:50,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:38:50,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:38:50,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961437001] [2021-03-10 18:38:50,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:38:50,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:38:50,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:38:50,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:38:50,231 INFO L87 Difference]: Start difference. First operand 146088 states and 451669 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:38:51,942 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-03-10 18:38:52,226 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:38:52,460 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-03-10 18:38:52,804 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2021-03-10 18:38:53,105 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 79 [2021-03-10 18:38:53,576 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2021-03-10 18:38:54,319 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 84 [2021-03-10 18:38:54,662 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2021-03-10 18:38:54,980 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-03-10 18:39:01,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:01,534 INFO L93 Difference]: Finished difference Result 284769 states and 881877 transitions. [2021-03-10 18:39:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:39:01,535 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:39:01,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:02,378 INFO L225 Difference]: With dead ends: 284769 [2021-03-10 18:39:02,378 INFO L226 Difference]: Without dead ends: 284769 [2021-03-10 18:39:02,379 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 5621.1ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:39:03,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284769 states. [2021-03-10 18:39:06,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284769 to 147825. [2021-03-10 18:39:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147825 states, 147821 states have (on average 3.091820512647053) internal successors, (457036), 147824 states have internal predecessors, (457036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147825 states to 147825 states and 457036 transitions. [2021-03-10 18:39:07,042 INFO L78 Accepts]: Start accepts. Automaton has 147825 states and 457036 transitions. Word has length 93 [2021-03-10 18:39:07,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:07,043 INFO L480 AbstractCegarLoop]: Abstraction has 147825 states and 457036 transitions. [2021-03-10 18:39:07,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 147825 states and 457036 transitions. [2021-03-10 18:39:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:39:07,187 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:07,187 INFO L519 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] [2021-03-10 18:39:07,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-10 18:39:07,187 INFO L428 AbstractCegarLoop]: === Iteration 29 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:07,188 INFO L82 PathProgramCache]: Analyzing trace with hash -972189587, now seen corresponding path program 3 times [2021-03-10 18:39:07,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:07,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049704518] [2021-03-10 18:39:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:08,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049704518] [2021-03-10 18:39:08,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:08,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:39:08,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067831045] [2021-03-10 18:39:08,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:39:08,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:08,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:39:08,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:39:08,274 INFO L87 Difference]: Start difference. First operand 147825 states and 457036 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:09,713 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2021-03-10 18:39:09,890 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-03-10 18:39:10,175 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:39:10,481 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-03-10 18:39:10,737 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-03-10 18:39:11,040 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-03-10 18:39:11,353 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-03-10 18:39:12,057 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-03-10 18:39:12,499 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-03-10 18:39:12,852 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-03-10 18:39:15,285 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-03-10 18:39:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:19,255 INFO L93 Difference]: Finished difference Result 282744 states and 875727 transitions. [2021-03-10 18:39:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:39:19,256 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:39:19,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:19,858 INFO L225 Difference]: With dead ends: 282744 [2021-03-10 18:39:19,858 INFO L226 Difference]: Without dead ends: 282744 [2021-03-10 18:39:19,858 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 5634.5ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:39:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282744 states. [2021-03-10 18:39:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282744 to 147852. [2021-03-10 18:39:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147852 states, 147848 states have (on average 3.091810508089389) internal successors, (457118), 147851 states have internal predecessors, (457118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147852 states to 147852 states and 457118 transitions. [2021-03-10 18:39:24,224 INFO L78 Accepts]: Start accepts. Automaton has 147852 states and 457118 transitions. Word has length 93 [2021-03-10 18:39:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:24,225 INFO L480 AbstractCegarLoop]: Abstraction has 147852 states and 457118 transitions. [2021-03-10 18:39:24,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 147852 states and 457118 transitions. [2021-03-10 18:39:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:39:24,361 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:24,361 INFO L519 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] [2021-03-10 18:39:24,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-10 18:39:24,362 INFO L428 AbstractCegarLoop]: === Iteration 30 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:24,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:24,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1207903755, now seen corresponding path program 4 times [2021-03-10 18:39:24,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:24,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926387746] [2021-03-10 18:39:24,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:25,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926387746] [2021-03-10 18:39:25,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:25,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:39:25,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677116211] [2021-03-10 18:39:25,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:39:25,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:25,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:39:25,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:39:25,861 INFO L87 Difference]: Start difference. First operand 147852 states and 457118 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:26,970 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2021-03-10 18:39:27,136 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-03-10 18:39:27,412 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-03-10 18:39:27,911 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-03-10 18:39:28,203 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 75 [2021-03-10 18:39:28,530 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2021-03-10 18:39:28,851 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2021-03-10 18:39:29,573 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-03-10 18:39:29,915 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2021-03-10 18:39:30,235 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2021-03-10 18:39:36,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:36,487 INFO L93 Difference]: Finished difference Result 280719 states and 869577 transitions. [2021-03-10 18:39:36,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:39:36,487 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:39:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:37,238 INFO L225 Difference]: With dead ends: 280719 [2021-03-10 18:39:37,238 INFO L226 Difference]: Without dead ends: 280719 [2021-03-10 18:39:37,238 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 5807.0ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:39:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280719 states. [2021-03-10 18:39:40,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280719 to 148068. [2021-03-10 18:39:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148068 states, 148064 states have (on average 3.0919129565593257) internal successors, (457801), 148067 states have internal predecessors, (457801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148068 states to 148068 states and 457801 transitions. [2021-03-10 18:39:41,729 INFO L78 Accepts]: Start accepts. Automaton has 148068 states and 457801 transitions. Word has length 93 [2021-03-10 18:39:41,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:41,729 INFO L480 AbstractCegarLoop]: Abstraction has 148068 states and 457801 transitions. [2021-03-10 18:39:41,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand 148068 states and 457801 transitions. [2021-03-10 18:39:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:39:41,872 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:41,873 INFO L519 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] [2021-03-10 18:39:41,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-10 18:39:41,873 INFO L428 AbstractCegarLoop]: === Iteration 31 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:41,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1975136843, now seen corresponding path program 5 times [2021-03-10 18:39:41,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:41,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526432743] [2021-03-10 18:39:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:39:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:39:42,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526432743] [2021-03-10 18:39:42,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:39:42,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-03-10 18:39:42,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616571969] [2021-03-10 18:39:42,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-10 18:39:42,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:39:42,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-10 18:39:42,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=983, Unknown=0, NotChecked=0, Total=1056 [2021-03-10 18:39:42,867 INFO L87 Difference]: Start difference. First operand 148068 states and 457801 transitions. Second operand has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:44,032 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 48 [2021-03-10 18:39:44,646 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2021-03-10 18:39:44,952 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2021-03-10 18:39:45,214 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-03-10 18:39:45,513 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:39:46,193 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-03-10 18:39:46,529 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:39:47,014 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:39:47,311 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 77 [2021-03-10 18:39:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:39:53,803 INFO L93 Difference]: Finished difference Result 273375 states and 845923 transitions. [2021-03-10 18:39:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-10 18:39:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:39:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:39:54,325 INFO L225 Difference]: With dead ends: 273375 [2021-03-10 18:39:54,325 INFO L226 Difference]: Without dead ends: 273375 [2021-03-10 18:39:54,325 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 5796.2ms TimeCoverageRelationStatistics Valid=982, Invalid=4870, Unknown=0, NotChecked=0, Total=5852 [2021-03-10 18:39:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273375 states. [2021-03-10 18:39:58,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273375 to 148095. [2021-03-10 18:39:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148095 states, 148091 states have (on average 3.0919029515635654) internal successors, (457883), 148094 states have internal predecessors, (457883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:58,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148095 states to 148095 states and 457883 transitions. [2021-03-10 18:39:58,568 INFO L78 Accepts]: Start accepts. Automaton has 148095 states and 457883 transitions. Word has length 93 [2021-03-10 18:39:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:39:58,568 INFO L480 AbstractCegarLoop]: Abstraction has 148095 states and 457883 transitions. [2021-03-10 18:39:58,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:39:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 148095 states and 457883 transitions. [2021-03-10 18:39:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:39:58,706 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:39:58,706 INFO L519 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] [2021-03-10 18:39:58,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-10 18:39:58,707 INFO L428 AbstractCegarLoop]: === Iteration 32 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:39:58,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:39:58,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1897910091, now seen corresponding path program 6 times [2021-03-10 18:39:58,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:39:58,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001133595] [2021-03-10 18:39:58,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:39:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:00,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001133595] [2021-03-10 18:40:00,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:00,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:40:00,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324652326] [2021-03-10 18:40:00,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:40:00,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:00,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:40:00,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:40:00,107 INFO L87 Difference]: Start difference. First operand 148095 states and 457883 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:01,271 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2021-03-10 18:40:01,446 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 57 [2021-03-10 18:40:01,739 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 64 [2021-03-10 18:40:02,067 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 68 [2021-03-10 18:40:02,357 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:40:02,810 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:40:03,518 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2021-03-10 18:40:03,873 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 79 [2021-03-10 18:40:04,175 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-03-10 18:40:04,447 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 87 [2021-03-10 18:40:04,789 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2021-03-10 18:40:07,692 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-03-10 18:40:07,868 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-10 18:40:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:12,568 INFO L93 Difference]: Finished difference Result 299385 states and 926633 transitions. [2021-03-10 18:40:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-03-10 18:40:12,569 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:40:12,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:13,187 INFO L225 Difference]: With dead ends: 299385 [2021-03-10 18:40:13,187 INFO L226 Difference]: Without dead ends: 299385 [2021-03-10 18:40:13,187 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 6872.8ms TimeCoverageRelationStatistics Valid=1248, Invalid=5558, Unknown=0, NotChecked=0, Total=6806 [2021-03-10 18:40:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299385 states. [2021-03-10 18:40:17,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299385 to 148746. [2021-03-10 18:40:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148746 states, 148742 states have (on average 3.0918234257976898) internal successors, (459884), 148745 states have internal predecessors, (459884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148746 states to 148746 states and 459884 transitions. [2021-03-10 18:40:18,067 INFO L78 Accepts]: Start accepts. Automaton has 148746 states and 459884 transitions. Word has length 93 [2021-03-10 18:40:18,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:18,068 INFO L480 AbstractCegarLoop]: Abstraction has 148746 states and 459884 transitions. [2021-03-10 18:40:18,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 148746 states and 459884 transitions. [2021-03-10 18:40:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:40:18,219 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:18,219 INFO L519 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] [2021-03-10 18:40:18,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-10 18:40:18,220 INFO L428 AbstractCegarLoop]: === Iteration 33 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:18,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:18,220 INFO L82 PathProgramCache]: Analyzing trace with hash -386725199, now seen corresponding path program 7 times [2021-03-10 18:40:18,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:18,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066868076] [2021-03-10 18:40:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:19,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066868076] [2021-03-10 18:40:19,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:19,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:40:19,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500524437] [2021-03-10 18:40:19,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:40:19,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:19,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:40:19,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:40:19,908 INFO L87 Difference]: Start difference. First operand 148746 states and 459884 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:21,195 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2021-03-10 18:40:21,373 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2021-03-10 18:40:21,601 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-03-10 18:40:21,933 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-03-10 18:40:22,304 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-03-10 18:40:22,628 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-03-10 18:40:23,107 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-03-10 18:40:23,914 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:40:24,274 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-03-10 18:40:24,607 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:40:31,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:31,479 INFO L93 Difference]: Finished difference Result 288120 states and 892078 transitions. [2021-03-10 18:40:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:40:31,491 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:40:31,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:32,134 INFO L225 Difference]: With dead ends: 288120 [2021-03-10 18:40:32,134 INFO L226 Difference]: Without dead ends: 288120 [2021-03-10 18:40:32,144 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 6398.1ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:40:33,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288120 states. [2021-03-10 18:40:35,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288120 to 148746. [2021-03-10 18:40:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148746 states, 148742 states have (on average 3.0918234257976898) internal successors, (459884), 148745 states have internal predecessors, (459884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148746 states to 148746 states and 459884 transitions. [2021-03-10 18:40:36,844 INFO L78 Accepts]: Start accepts. Automaton has 148746 states and 459884 transitions. Word has length 93 [2021-03-10 18:40:36,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:36,844 INFO L480 AbstractCegarLoop]: Abstraction has 148746 states and 459884 transitions. [2021-03-10 18:40:36,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 148746 states and 459884 transitions. [2021-03-10 18:40:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:40:36,997 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:36,997 INFO L519 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] [2021-03-10 18:40:36,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-10 18:40:36,997 INFO L428 AbstractCegarLoop]: === Iteration 34 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:36,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1357364009, now seen corresponding path program 8 times [2021-03-10 18:40:36,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:36,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406525681] [2021-03-10 18:40:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:38,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406525681] [2021-03-10 18:40:38,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:38,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:40:38,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500964474] [2021-03-10 18:40:38,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:40:38,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:38,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:40:38,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:40:38,092 INFO L87 Difference]: Start difference. First operand 148746 states and 459884 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:39,272 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 59 [2021-03-10 18:40:39,760 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-03-10 18:40:39,964 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2021-03-10 18:40:40,300 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-03-10 18:40:40,673 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-03-10 18:40:41,000 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-03-10 18:40:41,363 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-03-10 18:40:42,171 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:40:42,549 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-03-10 18:40:42,966 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:40:46,055 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-03-10 18:40:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:40:49,686 INFO L93 Difference]: Finished difference Result 290145 states and 898228 transitions. [2021-03-10 18:40:49,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:40:49,687 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:40:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:40:50,278 INFO L225 Difference]: With dead ends: 290145 [2021-03-10 18:40:50,278 INFO L226 Difference]: Without dead ends: 290145 [2021-03-10 18:40:50,278 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 6368.5ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:40:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290145 states. [2021-03-10 18:40:54,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290145 to 148746. [2021-03-10 18:40:54,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148746 states, 148742 states have (on average 3.0918234257976898) internal successors, (459884), 148745 states have internal predecessors, (459884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148746 states to 148746 states and 459884 transitions. [2021-03-10 18:40:54,644 INFO L78 Accepts]: Start accepts. Automaton has 148746 states and 459884 transitions. Word has length 93 [2021-03-10 18:40:54,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:40:54,644 INFO L480 AbstractCegarLoop]: Abstraction has 148746 states and 459884 transitions. [2021-03-10 18:40:54,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 148746 states and 459884 transitions. [2021-03-10 18:40:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:40:54,783 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:40:54,783 INFO L519 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] [2021-03-10 18:40:54,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-10 18:40:54,783 INFO L428 AbstractCegarLoop]: === Iteration 35 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:40:54,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:40:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1411784283, now seen corresponding path program 9 times [2021-03-10 18:40:54,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:40:54,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168334229] [2021-03-10 18:40:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:40:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:40:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:40:56,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168334229] [2021-03-10 18:40:56,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:40:56,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:40:56,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399042133] [2021-03-10 18:40:56,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:40:56,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:40:56,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:40:56,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:40:56,230 INFO L87 Difference]: Start difference. First operand 148746 states and 459884 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:40:57,411 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 59 [2021-03-10 18:40:57,598 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2021-03-10 18:40:57,797 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-03-10 18:40:58,142 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-03-10 18:40:58,526 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:40:58,859 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-03-10 18:40:59,358 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-03-10 18:41:00,204 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:41:00,574 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:41:00,921 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-03-10 18:41:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:41:07,773 INFO L93 Difference]: Finished difference Result 280695 states and 868853 transitions. [2021-03-10 18:41:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:41:07,774 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:41:07,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:41:08,540 INFO L225 Difference]: With dead ends: 280695 [2021-03-10 18:41:08,541 INFO L226 Difference]: Without dead ends: 280695 [2021-03-10 18:41:08,541 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 6136.1ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:41:09,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280695 states. [2021-03-10 18:41:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280695 to 147171. [2021-03-10 18:41:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147171 states, 147167 states have (on average 3.091786881569917) internal successors, (455009), 147170 states have internal predecessors, (455009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147171 states to 147171 states and 455009 transitions. [2021-03-10 18:41:12,933 INFO L78 Accepts]: Start accepts. Automaton has 147171 states and 455009 transitions. Word has length 93 [2021-03-10 18:41:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:41:12,933 INFO L480 AbstractCegarLoop]: Abstraction has 147171 states and 455009 transitions. [2021-03-10 18:41:12,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 147171 states and 455009 transitions. [2021-03-10 18:41:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:41:13,073 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:41:13,073 INFO L519 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] [2021-03-10 18:41:13,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-10 18:41:13,073 INFO L428 AbstractCegarLoop]: === Iteration 36 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:41:13,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:41:13,073 INFO L82 PathProgramCache]: Analyzing trace with hash 563801721, now seen corresponding path program 10 times [2021-03-10 18:41:13,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:41:13,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533073763] [2021-03-10 18:41:13,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:41:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:41:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:41:14,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533073763] [2021-03-10 18:41:14,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:41:14,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:41:14,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807311651] [2021-03-10 18:41:14,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:41:14,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:41:14,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:41:14,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:41:14,202 INFO L87 Difference]: Start difference. First operand 147171 states and 455009 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:15,417 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-03-10 18:41:16,004 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-03-10 18:41:16,237 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:41:16,529 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 72 [2021-03-10 18:41:16,909 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2021-03-10 18:41:17,237 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2021-03-10 18:41:17,598 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 84 [2021-03-10 18:41:18,425 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 84 [2021-03-10 18:41:18,792 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-03-10 18:41:19,236 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 83 [2021-03-10 18:41:26,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:41:26,233 INFO L93 Difference]: Finished difference Result 260373 states and 805899 transitions. [2021-03-10 18:41:26,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:41:26,234 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:41:26,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:41:26,722 INFO L225 Difference]: With dead ends: 260373 [2021-03-10 18:41:26,722 INFO L226 Difference]: Without dead ends: 260373 [2021-03-10 18:41:26,722 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 5972.9ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:41:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260373 states. [2021-03-10 18:41:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260373 to 145524. [2021-03-10 18:41:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145524 states, 145520 states have (on average 3.088675096206707) internal successors, (449464), 145523 states have internal predecessors, (449464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145524 states to 145524 states and 449464 transitions. [2021-03-10 18:41:31,001 INFO L78 Accepts]: Start accepts. Automaton has 145524 states and 449464 transitions. Word has length 93 [2021-03-10 18:41:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:41:31,002 INFO L480 AbstractCegarLoop]: Abstraction has 145524 states and 449464 transitions. [2021-03-10 18:41:31,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 145524 states and 449464 transitions. [2021-03-10 18:41:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:41:31,140 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:41:31,140 INFO L519 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] [2021-03-10 18:41:31,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-10 18:41:31,140 INFO L428 AbstractCegarLoop]: === Iteration 37 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:41:31,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:41:31,140 INFO L82 PathProgramCache]: Analyzing trace with hash -994100423, now seen corresponding path program 11 times [2021-03-10 18:41:31,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:41:31,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366388174] [2021-03-10 18:41:31,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:41:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:41:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:41:32,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366388174] [2021-03-10 18:41:32,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:41:32,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:41:32,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191214115] [2021-03-10 18:41:32,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:41:32,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:41:32,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:41:32,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:41:32,307 INFO L87 Difference]: Start difference. First operand 145524 states and 449464 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:33,904 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-03-10 18:41:34,180 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-03-10 18:41:34,411 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:41:34,769 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:41:35,063 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-03-10 18:41:35,406 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-03-10 18:41:35,911 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-03-10 18:41:36,745 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:41:37,118 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-03-10 18:41:37,495 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:41:44,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:41:44,531 INFO L93 Difference]: Finished difference Result 273468 states and 847046 transitions. [2021-03-10 18:41:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:41:44,532 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:41:44,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:41:45,056 INFO L225 Difference]: With dead ends: 273468 [2021-03-10 18:41:45,056 INFO L226 Difference]: Without dead ends: 273468 [2021-03-10 18:41:45,057 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 6299.6ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:41:46,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273468 states. [2021-03-10 18:41:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273468 to 145551. [2021-03-10 18:41:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145551 states, 145547 states have (on average 3.088665516980769) internal successors, (449546), 145550 states have internal predecessors, (449546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145551 states to 145551 states and 449546 transitions. [2021-03-10 18:41:49,421 INFO L78 Accepts]: Start accepts. Automaton has 145551 states and 449546 transitions. Word has length 93 [2021-03-10 18:41:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:41:49,421 INFO L480 AbstractCegarLoop]: Abstraction has 145551 states and 449546 transitions. [2021-03-10 18:41:49,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 145551 states and 449546 transitions. [2021-03-10 18:41:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:41:49,556 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:41:49,556 INFO L519 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] [2021-03-10 18:41:49,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-10 18:41:49,557 INFO L428 AbstractCegarLoop]: === Iteration 38 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:41:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:41:49,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1185992919, now seen corresponding path program 12 times [2021-03-10 18:41:49,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:41:49,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790474292] [2021-03-10 18:41:49,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:41:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:41:50,073 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2021-03-10 18:41:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:41:51,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790474292] [2021-03-10 18:41:51,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:41:51,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-03-10 18:41:51,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019057387] [2021-03-10 18:41:51,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-10 18:41:51,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:41:51,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-10 18:41:51,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-03-10 18:41:51,237 INFO L87 Difference]: Start difference. First operand 145551 states and 449546 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:41:52,471 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 57 [2021-03-10 18:41:52,751 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2021-03-10 18:41:52,986 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2021-03-10 18:41:53,348 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-03-10 18:41:53,896 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 75 [2021-03-10 18:41:54,225 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2021-03-10 18:41:54,582 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2021-03-10 18:41:55,453 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-03-10 18:41:55,819 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2021-03-10 18:41:56,190 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-03-10 18:42:00,299 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-03-10 18:42:03,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:42:03,426 INFO L93 Difference]: Finished difference Result 271443 states and 840896 transitions. [2021-03-10 18:42:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-03-10 18:42:03,427 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:42:03,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:42:03,985 INFO L225 Difference]: With dead ends: 271443 [2021-03-10 18:42:03,985 INFO L226 Difference]: Without dead ends: 271443 [2021-03-10 18:42:03,986 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 6584.0ms TimeCoverageRelationStatistics Valid=1130, Invalid=5190, Unknown=0, NotChecked=0, Total=6320 [2021-03-10 18:42:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271443 states. [2021-03-10 18:42:07,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271443 to 145767. [2021-03-10 18:42:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145767 states, 145763 states have (on average 3.088774243120682) internal successors, (450229), 145766 states have internal predecessors, (450229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:42:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145767 states to 145767 states and 450229 transitions. [2021-03-10 18:42:08,342 INFO L78 Accepts]: Start accepts. Automaton has 145767 states and 450229 transitions. Word has length 93 [2021-03-10 18:42:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 18:42:08,342 INFO L480 AbstractCegarLoop]: Abstraction has 145767 states and 450229 transitions. [2021-03-10 18:42:08,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:42:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 145767 states and 450229 transitions. [2021-03-10 18:42:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-03-10 18:42:08,475 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 18:42:08,475 INFO L519 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] [2021-03-10 18:42:08,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-10 18:42:08,475 INFO L428 AbstractCegarLoop]: === Iteration 39 === [reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr3ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, reader_twoErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_twoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-10 18:42:08,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 18:42:08,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1997047679, now seen corresponding path program 13 times [2021-03-10 18:42:08,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 18:42:08,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410176845] [2021-03-10 18:42:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 18:42:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 18:42:09,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 18:42:09,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410176845] [2021-03-10 18:42:09,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 18:42:09,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-03-10 18:42:09,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46618303] [2021-03-10 18:42:09,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-10 18:42:09,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 18:42:09,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-10 18:42:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=983, Unknown=0, NotChecked=0, Total=1056 [2021-03-10 18:42:09,576 INFO L87 Difference]: Start difference. First operand 145767 states and 450229 transitions. Second operand has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:42:11,189 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 58 [2021-03-10 18:42:11,399 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2021-03-10 18:42:11,736 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2021-03-10 18:42:12,010 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-03-10 18:42:12,314 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 71 [2021-03-10 18:42:13,078 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2021-03-10 18:42:13,457 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 81 [2021-03-10 18:42:13,837 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 83 [2021-03-10 18:42:14,179 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 76 [2021-03-10 18:42:17,888 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-03-10 18:42:21,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 18:42:21,268 INFO L93 Difference]: Finished difference Result 265449 states and 821342 transitions. [2021-03-10 18:42:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-10 18:42:21,269 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-03-10 18:42:21,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 18:42:21,813 INFO L225 Difference]: With dead ends: 265449 [2021-03-10 18:42:21,814 INFO L226 Difference]: Without dead ends: 265449 [2021-03-10 18:42:21,814 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 5948.2ms TimeCoverageRelationStatistics Valid=982, Invalid=4870, Unknown=0, NotChecked=0, Total=5852 [2021-03-10 18:42:23,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265449 states. [2021-03-10 18:42:25,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265449 to 145794. Received shutdown request... [2021-03-10 18:42:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145794 states, 145790 states have (on average 3.088764661499417) internal successors, (450311), 145793 states have internal predecessors, (450311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 18:42:25,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-10 18:42:25,857 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-10 18:42:25,860 WARN L224 ceAbstractionStarter]: Timeout [2021-03-10 18:42:25,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 06:42:25 BasicIcfg [2021-03-10 18:42:25,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 18:42:25,861 INFO L168 Benchmark]: Toolchain (without parser) took 733054.67 ms. Allocated memory was 255.9 MB in the beginning and 15.7 GB in the end (delta: 15.4 GB). Free memory was 234.0 MB in the beginning and 8.3 GB in the end (delta: -8.1 GB). Peak memory consumption was 8.1 GB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.46 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.4 MB in the beginning and 315.7 MB in the end (delta: -82.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.33 ms. Allocated memory is still 390.1 MB. Free memory was 315.7 MB in the beginning and 312.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: Boogie Preprocessor took 44.72 ms. Allocated memory is still 390.1 MB. Free memory was 312.2 MB in the beginning and 371.9 MB in the end (delta: -59.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: RCFGBuilder took 519.02 ms. Allocated memory is still 390.1 MB. Free memory was 371.9 MB in the beginning and 331.0 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L168 Benchmark]: TraceAbstraction took 731928.30 ms. Allocated memory was 390.1 MB in the beginning and 15.7 GB in the end (delta: 15.3 GB). Free memory was 331.0 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 8.1 GB. Max. memory is 16.0 GB. [2021-03-10 18:42:25,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 487.46 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.4 MB in the beginning and 315.7 MB in the end (delta: -82.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 68.33 ms. Allocated memory is still 390.1 MB. Free memory was 315.7 MB in the beginning and 312.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.72 ms. Allocated memory is still 390.1 MB. Free memory was 312.2 MB in the beginning and 371.9 MB in the end (delta: -59.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.0 GB. * RCFGBuilder took 519.02 ms. Allocated memory is still 390.1 MB. Free memory was 371.9 MB in the beginning and 331.0 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 731928.30 ms. Allocated memory was 390.1 MB in the beginning and 15.7 GB in the end (delta: 15.3 GB). Free memory was 331.0 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 8.1 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 (line 1060). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1065). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1064). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1061). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 182 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 731736.4ms, OverallIterations: 39, TraceHistogramMax: 1, EmptinessCheckTime: 4766.4ms, AutomataDifference: 553156.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6400.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49783 SDtfs, 110246 SDslu, 555025 SDs, 0 SdLazy, 268129 SolverSat, 3344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 109837.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3580 GetRequests, 157 SyntacticMatches, 46 SemanticMatches, 3377 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55931 ImplicationChecksByTransitivity, 369989.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=148746occurred in iteration=32, InterpolantAutomatonStates: 2467, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 133562.2ms AutomataMinimizationTime, 39 MinimizatonAttempts, 2739792 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 81.3ms SsaConstructionTime, 598.0ms SatisfiabilityAnalysisTime, 32853.5ms InterpolantComputationTime, 3484 NumberOfCodeBlocks, 3484 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 3445 ConstructedInterpolants, 0 QuantifiedInterpolants, 52876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 39 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown